Dell™ Latitude™ XT2 XFR
Service Manual
Dell™ Latitude™ XT2 XFR Service Manual
Notes, Notices, and Cautions
NOTE: A NOTE indicates important information that helps you make better use of your computer.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
Information in this document is subject to change without notice. Some of the information contained in this document may not apply to all Dell systems.
© 2009 Dell Inc. All rights reserved.
Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden
Trademarks used in this text: Dell, the DELL logo, Latitude, TravelLite, Wi-Fi Catcher, and ExpressCharge, are trademarks of Dell Inc.; Intel, Pentium, Celeron and Core are registered trademarks of Intel Corporation; Bluetooth is a registered trademark owned by Bluetooth SIG, Inc. and is used by Dell under license; TouchStrip is a trademark of Zvetco Biometrics, LLC; Blu-ray Disc is a trademark of the Blu-ray Disc Association; Microsoft, Windows, Windows Server, MS-DOS, Aero, Windows Vista. and the Windows Vista start button are either trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries.
Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.
Model P05S
nnnnn 2009 Rev. A00
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Table of Contents |
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1 |
XT2 XFR FEATURES...................................................................................................................................... |
6 |
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1.1 |
XT2 XFR USER MODES ................................................................................................................................. |
6 |
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1.1.1 |
Notebook Mode.................................................................................................................................... |
6 |
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1.1.2 |
Tablet Mode .......................................................................................................................................... |
7 |
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1.2 |
XT2 XFR BUTTONS ........................................................................................................................................ |
8 |
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1.2.1 |
Tablet Buttons...................................................................................................................................... |
8 |
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1.2.2 |
Scroll Buttons....................................................................................................................................... |
8 |
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1.3 |
XT2 XFR INTERFACE...................................................................................................................................... |
9 |
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1.3.1 Windows Vista/XP XT2 XFR Interface Comparison ............................................................... |
9 |
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1.3.2 |
Windows Vista...................................................................................................................................... |
9 |
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1.3.3 |
Windows XP......................................................................................................................................... |
12 |
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1.4 |
XT2 XFR SETTINGS ..................................................................................................................................... |
13 |
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1.4.1 |
Installation .......................................................................................................................................... |
13 |
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1.4.2 Windows™ XP vs. Windows Vista™........................................................................................... |
14 |
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1.4.3 |
N-trig Applet....................................................................................................................................... |
14 |
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1.5 |
XT2 XFR PEN ............................................................................................................................................... |
20 |
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1.5.1 |
Calibrating the Pen........................................................................................................................... |
20 |
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1.5.2 |
Troubleshooting................................................................................................................................. |
21 |
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1.6 |
APPLICATION MATRIX ................................................................................................................................... |
22 |
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2 WORKING ON YOUR XT2 XFR.............................................................................................................. |
22 |
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2.1 |
BEFORE WORKING INSIDE YOUR XT2 XFR............................................................................................... |
23 |
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2.2 |
RECOMMENDED TOOLS ................................................................................................................................. |
24 |
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2.3 |
TURNING OFF YOUR XT2 XFR.................................................................................................................... |
24 |
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2.4 |
AFTER WORKING INSIDE YOUR XT2 XFR ................................................................................................. |
24 |
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3 |
SCREW CHART............................................................................................................................................... |
25 |
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4 ADDING AND REPLACING PARTS...................................................................................................... |
27 |
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4.1 |
MAIN BATTERY............................................................................................................................................... |
27 |
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4.1.1 Removing the Main Battery.......................................................................................................... |
28 |
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4.1.2 Removing the Battery from the Battery Door....................................................................... |
28 |
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4.1.3 Installing the Battery into the Battery Door.......................................................................... |
29 |
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4.2 |
HINGE COVER ................................................................................................................................................ |
30 |
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4.2.1 Removing the Hinge Cover........................................................................................................... |
30 |
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4.3 |
KEYBOARD...................................................................................................................................................... |
31 |
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4.3.1 |
Removing the Keyboard................................................................................................................. |
31 |
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4.4 |
MEMORY AND MINI-CARD COVER ............................................................................................................... |
34 |
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4.4.1 Removing the Memory and Mini-Card Cover......................................................................... |
34 |
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4.5 |
MEMORY ......................................................................................................................................................... |
36 |
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4.5.1 Removing a Memory Module........................................................................................................ |
36 |
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4.6 |
HARD DRIVE .................................................................................................................................................. |
37 |
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4.6.1 Removing the Hard Drive.............................................................................................................. |
37 |
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4.7 |
MINI-CARD .................................................................................................................................................... |
38 |
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4.7.1 |
Removing the Mini-Card ................................................................................................................ |
39 |
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4.8 |
INTERNAL CARD WITH BLUETOOTH® WIRELESS TECHNOLOGY.............................................................. |
41 |
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4.8.1 Removing the Internal Card With Bluetooth Wireless Technology............................... |
41 |
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4.9 |
PALM REST ..................................................................................................................................................... |
43 |
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4.9.1 Removing the Palm Rest................................................................................................................ |
43 |
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4.9.2 Installing the Palm Rest................................................................................................................. |
45 |
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4.10 |
COIN-CELL BATTERY ................................................................................................................................. |
48 |
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4.10.1 Removing the Coin-Cell Battery.............................................................................................. |
48 |
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4.10.2 Installing the Coin-Cell Battery ............................................................................................... |
49 |
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4.11 |
USB INTERFACE BOARD ........................................................................................................................... |
49 |
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4.11.1 Removing the USB Interface Board....................................................................................... |
49 |
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4.12 |
STYLUS BAY................................................................................................................................................ |
50 |
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4.12.1 Removing the Stylus Bay........................................................................................................... |
50 |
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4.12.2 Installing the Stylus Bay............................................................................................................ |
51 |
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4.13 |
SPEAKER ..................................................................................................................................................... |
51 |
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4.13.1 |
Removing the Speaker................................................................................................................ |
52 |
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4.14 |
WIFI SNIFFER ASSEMBLY ......................................................................................................................... |
53 |
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4.14.1 |
WiFi Sniffer Assembly Removal ............................................................................................. |
53 |
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4.14.2 Wifi Sniffer Assembly Installation........................................................................................... |
53 |
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4.15 |
SNIFFER BUTTON AND WIFI SWITCH ...................................................................................................... |
54 |
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4.15.1 Installing the Wifi sniffer button ............................................................................................. |
54 |
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4.15.2 Installing the Wifi on/off switch .............................................................................................. |
54 |
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4.16 |
SYSTEM BOARD.......................................................................................................................................... |
56 |
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4.16.1 Removing the System Board.................................................................................................... |
56 |
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4.16.2 Installing the System Board ..................................................................................................... |
58 |
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4.17 |
HEAT SINK AND FAN ASSEMBLY .............................................................................................................. |
59 |
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4.17.1 Removing the Heat Sink and Fan Assembly ...................................................................... |
59 |
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4.18 |
DISPLAY ASSEMBLY ................................................................................................................................... |
61 |
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4.18.1 Removing the Display Assembly............................................................................................. |
62 |
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4.18.2 Installing the Display Assembly .............................................................................................. |
63 |
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4.19 |
RF PASSTHRU ............................................................................................................................................ |
66 |
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4.19.1 Removing the RF Passthru Board........................................................................................... |
66 |
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4.19.2 Installing the RF Passthru Board ............................................................................................ |
66 |
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4.20 |
ROCKER SWITCH........................................................................................................................................ |
67 |
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4.20.1 Remove the Rocker Switch ....................................................................................................... |
67 |
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4.20.2 Install the Rocker Switch........................................................................................................... |
67 |
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4.21 |
DOORS ........................................................................................................................................................ |
68 |
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4.21.1 Removing the USB/1394 Door................................................................................................. |
68 |
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4.21.2 Removing the VGA/RJ45/USB Door....................................................................................... |
68 |
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4.21.3 Removing the Power Door......................................................................................................... |
69 |
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4.21.4 Removing the Audio/Card Socket Door ............................................................................... |
69 |
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4.22 |
USB MODULE BAY COVER........................................................................................................................ |
69 |
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4.22.1 Removing the USB Module Cover........................................................................................... |
70 |
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4.23 |
GPS MODULE (OPTIONAL)................................................................................................................... |
70 |
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4.23.1 Removing the GPS Module........................................................................................................ |
71 |
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4.24 |
CAMERA MODULE (OPTIONAL) ............................................................................................................. |
72 |
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4.24.1 Removing the Camera Module................................................................................................. |
72 |
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5 |
SPECIFICATIONS ........................................................................................................................................ |
73 |
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6 |
DELL DIAGNOSTICS................................................................................................................................... |
74 |
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6.1.1 |
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Error Messages .................................................................................................................................. |
77 |
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6.2 SOLVING PROBLEMS...................................................................................................................................... |
78 |
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6.2.1 |
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Battery Problems .............................................................................................................................. |
78 |
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6.2.2 |
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Drive Problems .................................................................................................................................. |
78 |
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6.2.3 IEEE 1394 Device Problems ......................................................................................................... |
80 |
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6.2.4 Lockups and Software Problems................................................................................................. |
80 |
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6.2.5 |
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Memory Problems............................................................................................................................. |
81 |
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6.2.6 |
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Power Problems................................................................................................................................. |
82 |
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6.2.7 Sound and Speaker Problems...................................................................................................... |
82 |
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6.2.8 Video and Display Problems......................................................................................................... |
83 |
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6.3 |
DELL TECHNICAL UPDATE SERVICE............................................................................................................. |
83 |
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6.4 |
DELL SUPPORT UTILITY ................................................................................................................................ |
84 |
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6.4.1 Clicking the Dell Support Icon..................................................................................................... |
84 |
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6.4.2 Double-Clicking the Dell Support Icon..................................................................................... |
84 |
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6.5 |
GPS DEVICE.................................................................................................................................................. |
85 |
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6.5.1 |
GPS Hardware Configuration ....................................................................................................... |
85 |
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6.5.2 |
Software Configuration................................................................................................................... |
87 |
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6.5.3 |
Diagnostics.......................................................................................................................................... |
87 |
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6.6 |
CAMERA .......................................................................................................................................................... |
88 |
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6.6.1 |
Camera Configuration Verification............................................................................................. |
88 |
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6.6.2 |
Diagnostics.......................................................................................................................................... |
89 |
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6.7 |
DEVICE STATUS LEDS.................................................................................................................................. |
90 |
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6.8 |
KEYBOARD STATUS LEDS ............................................................................................................................ |
91 |
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6.9 |
LED ERROR CODES ...................................................................................................................................... |
91 |
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7 SYSTEM BIOS................................................................................................................................................. |
93 |
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7.1 |
BIOS SCREEN NAVIGATION KEYSTROKES ................................................................................................. |
93 |
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7.2 |
<F12> MENU............................................................................................................................................... |
93 |
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7.3 |
ENTERING SYSTEM SETUP............................................................................................................................ |
93 |
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Your XT2 XFR can be used either in notebook mode or tablet mode. To use your XT2 XFR in notebook mode, open the display until it reaches a comfortable viewing angle as in the image to the above, and use the keyboard and display as you would those of any other notebook computer.
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Your XT2 XFR converts from notebook mode to tablet mode with a 180-degree clockwise twist of the display’s rotating hinge.
CAUTION: Forcing the hinge beyond the 180-degree point will damage the XT2 XFR.
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Open the display of the XT2 XFR |
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Brace the base with one hand |
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Lay the display assembly on the |
until it reaches a 90-degree angle, |
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on the palm rest, grasp the top |
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base with the display facing |
perpendicular to the base. |
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of the display with the other |
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upwards. Press the latch down to |
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hand, and turn the rotating |
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secure the display. |
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hinge clockwise 180 degrees |
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until you feel the display engage |
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securely. |
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When you convert your XT2 XFR between notebook and tablet modes, the screen orientation of your XT2 XFR will automatically change according to the settings you have established in the Dell Control Point System Manager application or the Windows Vista Pen and Tablet settings application, most commonly from landscape (notebook mode) to portrait (tablet mode).
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Your XT2 XFR has three tablet buttons located beside the power button. In order for these buttons to function properly, Dell Control Point System Manager must be installed.
1 |
Power Button |
3 |
Screen rotate |
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button |
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2 |
Windows |
4 |
Dell Control |
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security button |
Point button |
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1 |
2 |
3 |
4 |
Power button — Used to power the system on and off.
Windows Security button — If you use your XT2 XFR in tablet mode, press this button to access the Windows Task Manager dialog box or a login screen, the same way you use the <Ctrl><Alt><Del> key sequence in notebook mode.
Screen rotate button — While the XT2 XFR is in tablet mode, use the screen rotate button to change the display orientation from portrait to landscape mode. Each time you press and release the screen rotate button, the screen image rotates clockwise 90 degrees.
Dell Control Point tablet settings button — Press this button to view and configure options for the XT2 XFR and the pen through Dell Control Point System Manager. You can configure this button to perform a different action using Windows Vista™ XT2 XFR Settings.
1 2
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Scroll control |
2 |
Back button |
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To scroll through a list of items or a set of pages one at a time, shift the scroll control up or down and release. The control automatically returns to the center/neutral position when released.
To rapidly scroll through a list of items or a set of pages, shift the control up or down and hold it, releasing it when you wish to stop scrolling.
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To select objects, press and release the scroll control when it is in the center/neutral position.
To launch context sensitive menus, press and hold the scroll control until a complete circle is drawn on the display then release. This is equivalent to clicking the right mouse button on a notebook computer.
Use the back button to move backwards in applications that support navigation, such as web browsers and Windows Explorer. It is also used to close the active window.
To move backward, press and release the back button.
To close the active window, press and hold the back button.
To customize the back button behavior, use the Tablet and Pen Settings in Windows Vista.
Depending on the configuration you ordered, your XT2 XFR shipped with either the Windows Vista or Windows XP operating system. There are several differences in the Tablet PC-interfaces between the two. Listed below are the primary differences.
Tablet PC Interface Comparison Table
Feature |
Description |
Vista |
XP |
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Touch |
Ability to use finger as an input device. |
YES |
YES |
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Windows |
Native note-taking application which takes input directly from pen or touch. |
YES |
YES |
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Journal |
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Snipping |
Tool used to capture portions of visual data (documents, pictures, etc.) via |
YES |
YES* |
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Tool |
pen or touch. *Available as a separate download from Microsoft. |
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Flicks |
Gesture activated shortcuts for common tasks. |
YES |
NO |
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Check |
Visual identifier in folders for selecting files. |
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YES |
NO |
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Boxes |
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Cursor |
Visual indicator for tap location. |
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YES |
NO |
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Feedback |
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Tablet |
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Input |
Tool used to input data via pen or touch that takes the place of a keyboard. |
YES |
YES |
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Panel |
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Input |
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device- |
Tablet Input Panel and icon change size according to pen or touch being |
YES |
NO |
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sensitive |
used. |
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tools |
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Tablet |
Special Tablet cursor used for Tablet PC functions as opposed to a standard |
YES |
NO |
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Cursor |
mouse pointer. |
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Touch |
Separate tool that appears in Touch Mode used for right-clicking purposes. |
YES |
NO |
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Widget |
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Cursor |
Ability to see if the target has been hit by using visual feedback for success. |
YES |
NO |
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Feedback |
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Cursor |
Ability to see if the target has been hit by using visual feedback for success. |
YES |
NO |
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Feedback |
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Using the Pen as a Mouse
You can use the pen the same way you use a mouse or touch pad with a notebook computer. Holding the pen near the display makes a small cursor appear. Moving the pen moves the cursor.
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The table below describes how to use the pen.
Electrostatic Pen Usage
Appearance |
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Action |
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Function |
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Gently tap the pen tip on the screen of your Tablet PC.
Gently tap the pen tip twice in quick succession on the screen of your XT2 XFR.
Touch the pen on the screen and hold it in place momentarily until Windows draws a complete circle around the cursor.
Same as a single-click on a mouse.
Same as a double-click on a mouse.
Same as a right-click on a mouse.
Working With Files
You can open, delete, or move many files or folders at one time by selecting multiple items from a list. Using a tablet pen, hover over one item at a time and select the check box that appears to the left of each item.
To turn check boxes on:
1.Go to Folder Options.
2.Click on the View tab.
3.Under Advanced settings, select the Use check boxes to select items check box, and then click OK.
Using the Pen as a Pen
The Windows Vista handwriting recognition software makes it easy to enter text into your applications with the pen. Some applications, such as Windows Journal, allow you to write with the pen directly into the application window.
XT2 XFR Input Panel
When an application does not directly support pen input, you can use the Tablet PC Input Panel to enter text into your application. If you tap in an editable area, the Tablet PC Input Panel
icon appears. Tapping the icon makes Input Panel slide out from the edge of the display.
You can also open the Input Panel by tapping the Input Panel tab, which is docked at the edge of the screen when the Input Panel is hidden.
You can move the Input Panel tab by dragging it up or down along the edge of the screen. Then, when you tap it, the Input Panel opens at the same horizontal location on the screen that the tab appears.
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You can use the writing pad, the character pad, or the on-screen keyboard to enter text. The writing pad and the character pad convert your handwriting into typed text. The on-screen keyboard works just like a standard keyboard except that you enter text by tapping keys with your tablet pen. The following table describes the different choices for using the Input Panel.
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Input Panel Icons |
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Icon |
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Name |
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Function |
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Writing Pad |
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With the writing pad, you can write continuously as if you were writing on a |
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lined piece of paper. |
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Character Pad |
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The character pad converts your handwriting to typed text, one letter, |
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number, or symbol at a time. |
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On-screen |
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The on-screen keyboard is similar to a standard keyboard. |
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Keyboard |
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The writing pad and character pad have a number pad, a symbol pad, and web quick keys to help you quickly and accurately enter these types of text. These quick keys are hidden when you start to write, but appear after you insert or delete your writing.
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Pen Flicks
Pen flicks enable you to use the pen to perform actions that normally require a keyboard, such as pressing <Page Up> or using the directional arrow keys. Pen flicks are quick, directional gestures. You simply quickly draw a short line in one of eight directions. When a pen flick is recognized, the XT2 XFR performs the action assigned. The image below depicts the default pen flick settings. These can be customized by going to StartControl PanelPen and Input Devices and clicking on the Flicks tab.
One of the key advantages of the XT2 XFR is the ability to easily switch from pen input to touch input. When you use Touch Mode, a translucent image of a computer mouse, called the touch pointer, floats beneath your finger. The touch pointer has left and right mouse buttons that you can tap with your finger. You use the area beneath the buttons to drag the touch pointer.
Using the Pen as a Mouse
You can use the pen the same way you use a mouse or touch pad with a notebook computer. Holding the pen near the display makes a small cursor appear. Moving the pen moves the cursor.
Tapping on the screen once is the same as clicking with a mouse. A double-tap constitutes a double-click.
Right-clicking with the pen is accomplished by holding the pen tip down on the screen until a red circle surrounds the pointer as illustrated to the right. Lifting the pen from here opens up the corresponding submenu.
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Using the Pen as a Pen
The native handwriting recognition software makes it easy to enter text into your applications with the pen. Some applications, such as Windows Journal, allow you to write with the pen directly into the application window.
Tablet PC Input Panel
When an application does not directly support pen input, you can use the Tablet PC Input Panel to enter text into your application. If you tap in an editable area, the Tablet PC Input Panel icon appears. Tapping the icon makes Input Panel appear.
You can move the Input Panel tab by dragging it up or down along the edge of the screen. Then, when you tap it, the Input Panel opens at the same horizontal location on the screen that the tab appears.
You can use the writing pad, the character pad, or the on-screen keyboard to enter text. The writing pad and the character pad convert your handwriting into typed text. The on-screen keyboard works just like a standard keyboard except that you enter text by tapping keys with your tablet pen. The following table describes the different choices for using the Input Panel.
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Input Panel Icons |
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Icon |
Name |
Function |
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Writing Pad
Character Pad
On-screen
Keyboard
With the writing pad, you can write continuously as if you were writing on a lined piece of paper.
The character pad converts your handwriting to typed text, one letter, number, or symbol at a time.
The on-screen keyboard is similar to a standard keyboard.
The writing pad and character pad have a number pad, a symbol pad, and web quick keys to help you quickly and accurately enter these types of text. These quick keys are hidden when you start to write, but appear after you insert or delete your writing.
Touch Usage
One of the key advantages of your XT2 XFR is the ability to easily switch from pen input to touch input. Similar to how the pen works, tapping with your finger on the screen once is the same as clicking with a mouse. A double-tap constitutes a double-click.
Right-clicking in Touch Mode is accomplished by holding your finger tip down on the screen until a red circle surrounds the pointer. This can be difficult to see as often times user's fingers cover the pointer. Lifting your finger from this point opens up the corresponding submenu.
Tablet and Pen Settings
Most of the settings for the tablet and pen are located in Control Panel under Tablet and Pen Settings. These are also accessed through Dell Control Point System Manager.
The N-trig Tablet Settings applet is built into the driver package. You can either install it directly from the ResourceCD or obtain the latest version from support.dell.com. Once the file has been extracted,
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an InstallShield Wizard will walk you through the process of installing the software. The appearance of the N-trig icon is an indication of a successful installation.
There is only one major difference in the N-trig applet between XP and Vista. On the Digitizer Options tab, under the Input Mode section, there is no listing for Dual Mode on the XP version. Windows XP does allow use of both pen and touch but the seamless switching capability that Vista offers is not available.
1.4.3N-trig Applet
The N-trig Tablet Settings applet is used to adjust several settings for the digitizer. Once the N-trig drivers are loaded, an icon appears in the system tray.
Hovering over the icon with your pointer displays the firmware version number. Right-clicking the icon brings up the sub menu below.
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Clicking on Properties opens up the N-trig Tablet Settings window.
There are four tabs on the N-trig Tablet Settings window:
•Digitizer Options
•Interaction Options
•Multi-Touch Gestures
•About
The Digitizer Options tab is used for the following:
•Input mode selection
•Touch tuning
•Launching diagnostics
•Restoring default settings
Page 15 of 94 |
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The N-trig applet has 4 operating modes:
Pen Only — In this mode, the stylus is the only device that can be used as the input device with the N-trig digitizer. Changing from Pen Only mode to any other mode is done by clicking with an active input device on the N-trig Applet icon in the system tray. When the applet is open, select desired mode and press OK.
Touch Only — In Touch Only mode, a single finger is the only input device that can be used with the N-trig digitizer. Using the stylus is not possible. It is important to note that only a single hand contact is allowed with the digitizer for proper execution. Changing Touch Only mode into any other mode is done by tapping the N-trig Applet icon in System Tray using a finger or other active input device and choosing the desired mode. Press OK to confirm.
Auto Mode — The N-Trig digitizer is capable of detecting a stylus as well as finger touch. The purpose of Auto Mode is to allow the user intuitive toggling between the Pen Only or Touch Only modes. The default input device for Auto Mode is the stylus as long as it is in range of the tablet screen (hovering in proximity or in contact). A basic principle in Auto Mode is that stylus detection in the digitizer proximity would turn the digitizer into Pen Only mode as an overriding priority. A double-tap finger gesture on the screen (similar in style to a mouse double-click) will switch the digitizer from Pen Only mode to Touch Only mode. The system will remain in Touch Only mode as long as the stylus is out of range. Once the stylus is detected in range the system will automatically switch to Pen Only mode.
Dual Mode (Vista Only) — Dual Mode is a unique operational mode that is functional only while using the Microsoft Vista operating system. In this mode, the OS switches automatically between the available pointing device according to its internal priority and attributes.
If you believe that the XT2 XFR's finger detection function is not working properly, a recalibration of the touch feature may be in order. To accomplish this, click the Reset button and then follow the on-screen prompts.
CAUTION: Do NOT touch the screen while touch reset is in progress.
A message indicating success or failure appears once the reset routine completes. If the result is failure, try running the diagnostics.
Running the diagnostics will help determine the functionality of the digitizer. Start by clicking the Troubleshoot button. Pressing the Self Test button on the subsequent pop-up window starts the diagnostics.
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After the test is complete, the results are displayed as illustrated below.
Use this table to define the result codes.
Digitizer Self Test Result Codes
Code |
|
Test |
|
Error Details |
|
Symptoms |
|
|
|
|
|
|
|
7 |
|
A-trigs |
|
Digitizer analog |
|
Digitizer is unable to initialize or read samples from analog |
|
connectivity |
|
processor fail |
|
processor. No pen or touch position is reported. |
|
|
|
|
|
|||
|
|
|
|
|
|
|
|
|
|
|
|
|
Signals received during the stylus excitation test are below |
11 |
|
Stylus excitation |
|
No pen excitation |
|
certain limit. Pen may be not functional or detected in tip |
|
|
|
|
|
|
only. |
|
|
|
|
|
|
|
14 |
|
Sensor Antenna |
|
Digitizer grid |
|
There are disconnected lines. Pen or touch may be |
|
disconnects |
|
disconnect |
|
malfunctioning in a specific physical display area. |
|
|
|
|
|
|||
|
|
|
|
|
|
|
15 |
|
Sensor Antenna |
|
Digitizer grid |
|
There are shorted lines. Pen or touch may be malfunctioning |
|
shorts |
|
shortcut |
|
in a specific physical display area. |
|
|
|
|
|
|||
|
|
|
|
|
|
|
18 |
|
Channel |
|
Digitizer channel |
|
There is an unbalanced channel. Pen or touch may be |
|
imbalance |
|
degraded |
|
malfunctioning in a specific physical display area. |
|
|
|
|
|
|||
|
|
|
|
|
|
|
|
|
Capacitor |
|
Digitizer |
|
The calibration capacitor in a certain channel is set to |
19 |
|
|
calibration |
|
minimal or maximum value. Pen or touch may be |
|
|
calibration |
|
|
|||
|
|
|
degraded |
|
malfunctioning in a specific physical display area. |
|
|
|
|
|
|
||
|
|
|
|
|
|
|
47 |
|
Internal Firmware |
|
Internal |
|
Firmware resource problem in executing diagnostics. |
|
Error |
|
Firmware Error |
|
Diagnostics tool is not functional. |
|
|
|
|
|
|||
|
|
|
|
|
|
|
48 |
|
Critical |
|
Device Error |
|
Critical malfunction was detected, test cannot continue. |
|
Malfunction |
|
|
|||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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Dell™ Latitude™ XT2 XFR Service Manual
49 |
|
Host Timeout |
|
Host Timeout |
|
Host communication or resources problem in executing |
|
Error |
|
Error |
|
diagnostics. |
|
|
|
|
|
|||
|
|
|
|
|
|
|
|
|
Capacitor |
|
Hardware |
|
Hardware calibration is required to gain maximum |
50 |
|
Calibration |
|
calibration is |
|
|
|
|
|
performance. |
|||
|
|
Required |
|
required |
|
|
|
|
|
|
|
||
|
|
|
|
|
|
|
The Interaction Options tab controls the visual and sound effects that can modify the user experience while operating the system's various modes.
This section enables you to select a .gif file (image) to be displayed whenever an auto mode switching event is detected. You can select the event that will cause the graphical indicator to appear:
•Pen Touch: Pen is detected after finger usage.
•Touch Pen: Touch is detected after pen usage.
This section enables you to select which .wav file (sound) will be played when the finger touches the screen. The sound can be tested using the play button. One can enable/disable this functionality using the specified radio button.
1.4.3.3Multi-Touch Gestures Tab
Gestures are expressions made while touching the screen of your Tablet PC with two fingers. They are interpreted as user commands to the operating system or active application software. When the operating system recognizes a gesture, an icon confirming the gesture appears on the screen. This multi-touch update includes three gestures: a scroll gesture, a zoom gesture, and a two-finger doubletap gesture. Gesture features and descriptive icons shown herein are sourced by N-trig.
Page 18 of 94 |
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Scroll Gesture
Placing two fingers on the screen and moving them horizontally or vertically generates scrolling in the direction of movement: right, left, up, or down.
Zoom Gesture
Touching the screen with two fingers and moving them together or apart generates a zoom-in or zoom-out command to the screen.
Two-Fingers Double-Tap Gesture
Tapping the screen twice with two fingers sends an operating system command that you can configure. It can be used to perform actions, such as turning the display off and disabling touch gestures (default), or run an executable program, such as one that opens Internet Explorer.
Sensitivity Setup
To adjust the sensitivity for the two-finger gestures, double-click the N-trig icon ( ) in the system tray, and tap the Multi-Touch Gestures tab. Set the sliders for each gesture as desired.
The About tab is used to find information such as the driver version and firmware revision numbers. The firmware revision number can also be obtained by hovering your pointer over the N-trig Tablet Settings icon in the system tray.
Page 19 of 94 |
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1.5 XT2 XFR Pen
Your XT2 XFR uses a specifically designed electrostatic pen or stylus for use in tablet PC mode. Instead of relying on battery power, the energy source for the stylus is magnetic energy produced by the excitation coil built into the digitizer itself. The signal from the coil is picked up by the stylus and triggers the stylus to transmit an electric field.
The transmitted electric field is sensed by a matrix of conductive lines, accurate stylus position determined using the low amplitude signals received on the vertical and horizontal conductors, and an appropriate signal is transferred to the digitizer's on-board processor.
Tips come in one color type, black. The black tips present a "harder" writing feel. The system ships with a total of two black tips. These tips are easily replaced by using the pen-tip removal tool which looks similar to an oversized pair of tweezers. This tool also ships with the XT2 XFR.
NOTE: In the event of a suspected digitizer failure, the pen tip should be examined. If the tip is damaged it needs to be replaced. This will oftentimes remedy the problem with the digitizer.
The pen can function at the default calibration or at a calibration set by you or by another user. It is recommended that you use the pen only while it is calibrated to your personal calibration settings. Calibration optimizes pen performance for each user.
To calibrate the pen:
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1.Open Dell Control Point.
2.Click System Tablet Settings.
3.On the Dell Tablet Settings window, click Pen & Input then click Calibrate.
4.Follow the instructions on the screen. The calibration markers are displayed on the screen as plus signs (+). Tap the pen in the exact center of each of the calibration markers.
NOTE: Be sure to calibrate the pen for use in both portrait and landscape display orientations.
The pen is the first component to be investigated in the event of a suspected problem with the digitizer. Verify the tip is in good shape (free of chips, excessive wear, etc.) by closely examining it. If there is any doubt, you should change out the tip with a new one or one that is known to be in good condition.
You should also verify that the touch capabilities are not affected. Switch to touch mode and see if the problem still exists. If there are no symptoms present while in touch mode, the pen tip is the most likely suspect. If the problem does persist in touch mode you should run diagnostics and take the necessary steps depending on the results.
Page 21 of 94 |
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The following matrix shows the gestures supported by the operating system and specific application software packages. Other applications may also respond to these gestures.
Operating System |
|
Microsoft™ Windows Vista™ |
||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Application |
|
Application |
|
Pinch/Zoom |
|
Horizontal |
|
Vertical |
Family |
|
Name |
|
|
|
Scroll |
|
Scroll |
|
|
|
|
|
|
|
|
|
|
|
Explorer |
|
Yes |
|
Yes |
|
Yes |
Windows |
|
|
|
|
|
|
|
|
|
Photo |
|
Yes |
|
Yes |
|
Yes |
|
|
|
|
|
|
||||
|
|
Gallery |
|
|
|
|||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Windows |
|
Photo |
|
Yes |
|
Yes |
|
Yes |
Live |
|
Gallery |
|
|
|
|||
|
|
|
|
|
|
|
||
|
|
|
|
|
|
|
|
|
Virtual Earth |
|
|
|
No |
|
No |
|
No |
|
|
|
|
|
|
|
|
|
|
|
Outlook® |
|
Yes |
|
Yes |
|
No |
|
|
|
|
|
|
|
|
|
|
|
Word |
|
Yes |
|
Yes |
|
Yes |
|
|
|
|
|
|
|
|
|
|
|
Excel® |
|
Yes |
|
Yes |
|
Yes |
Microsoft |
|
|
|
|
|
|
|
|
|
Power |
|
Yes |
|
Yes |
|
Yes |
|
Office 2007 |
|
|
|
|
||||
|
Point® |
|
|
|
||||
|
|
|
|
|
|
|
||
|
|
|
|
|
|
|
|
|
|
|
One Note® |
|
Yes |
|
Yes |
|
Yes |
|
|
|
|
|
|
|
|
|
|
|
Picture |
|
Yes |
|
Yes |
|
Yes |
|
|
Manager |
|
|
|
|||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Outlook® |
|
Yes |
|
Yes |
|
Yes |
|
|
|
|
|
|
|
|
|
|
|
Word |
|
Yes |
|
Yes |
|
Yes |
|
|
|
|
|
|
|
|
|
|
|
Excel |
|
Yes |
|
Yes |
|
Yes |
|
|
® |
|
|
|
|||
Microsoft |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Power |
|
|
|
|
|
|
|
Office 2003 |
|
|
Yes |
|
Yes |
|
Yes |
|
|
|
Point® |
|
|
|
|||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
One Note® |
|
Yes |
|
Yes |
|
Yes |
|
|
|
|
|
|
|
|
|
|
|
Picture |
|
Yes |
|
Yes |
|
Yes |
|
|
Manager |
|
|
|
|||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Microsoft Windows™ XP
Pinch/Zoom Horizontal Vertical
Scroll Scroll
No |
|
Yes |
|
Yes |
|
|
|
|
|
No |
|
No |
|
No |
|
|
|
|
|
|
|
|
|
|
No |
|
No |
|
No |
|
|
|
|
|
|
|
|
|
|
No |
|
No |
|
No |
|
|
|
|
|
Yes |
|
Yes |
|
No |
|
|
|
|
|
Yes |
|
Yes |
|
No |
|
|
|
|
|
Yes |
|
Yes |
|
No |
|
|
|
|
|
Yes |
|
Yes |
|
Yes |
|
|
|
|
|
|
|
|
|
|
Yes |
|
Yes |
|
No |
|
|
|
|
|
Yes |
|
Yes |
|
Yes |
|
|
|
|
|
|
|
|
|
|
Yes |
|
Yes |
|
Yes |
|
|
|
|
|
Yes |
|
Yes |
|
Yes |
|
|
|
|
|
Yes |
|
Yes |
|
Yes |
|
|
|
|
|
|
|
|
|
|
Yes |
|
Yes |
|
Yes |
|
|
|
|
|
|
|
|
|
|
Yes |
|
Yes |
|
Yes |
|
|
|
|
|
Yes |
|
Yes |
|
Yes |
|
|
|
|
|
Page 22 of 94 |
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Dell™ Latitude™ XT2 XFR Service Manual
Use the following safety guidelines to help protect your XT2 XFR from potential damage and to help to ensure your personal safety. Unless otherwise noted, each procedure included in this document assumes that the following conditions exist:
•You have performed the steps in Working on Your XT2 XFR.
•You have read the safety information that shipped with your XT2 XFR.
•A component can be replaced or--if purchased separately--installed by performing the removal procedure in reverse order.
WARNING: Before working inside your XT2 XFR, read the safety information that shipped with your XT2 XFR. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
CAUTION: Only a certified service technician should perform repairs on your XT2 XFR. Damage due to servicing that is not authorized by Dell is not covered by your warranty.
CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as a connector on the back of the computer.
CAUTION: Handle components and cards with care. Do not touch the components or contacts on a card. Hold a card by its edges or by its metal mounting bracket. Hold a component such as a processor by its edges, not by its pins.
CAUTION: When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself. Some cables have connectors with locking tabs; if you are disconnecting this type of cable, press in on the locking tabs before you disconnect the cable. As you pull connectors apart, keep them evenly aligned to avoid bending any connector pins. Also, before you connect a cable, ensure that both connectors are correctly oriented and aligned.
NOTE: The color of your XT2 XFR and certain components may appear differently than shown in this document.
To avoid damaging your XT2 XFR, perform the following steps before you begin working inside the XT2 XFR.
1.Ensure that your work surface is flat and clean to prevent the XT2 XFR cover from being scratched.
2.Turn off your XT2 XFR (see Turning Off Your XT2 XFR).
3.If the XT2 XFR is connected to a docking device (docked) such as the optional Media Base or Battery Slice, undock it.
CAUTION: To disconnect a network cable, first unplug the cable from your XT2 XFR and then unplug the cable from the network device.
4.Disconnect all network cables from the XT2 XFR.
5.Disconnect your XT2 XFR and all attached devices from their electrical outlets.
6.Close the display and turn the XT2 XFR upside-down on a flat work surface.
CAUTION: To avoid damaging the system board, you must remove the main battery before you service the XT2 XFR.
7.Remove the main battery (see Removing the Main Battery).
8.Turn the XT2 XFR top-side up.
9.Open the display.
10.Press the power button to ground the system board.
Page 23 of 94 |
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Dell™ Latitude™ XT2 XFR Service Manual
CAUTION: To guard against electrical shock, always unplug your XT2 XFR from the electrical outlet before opening the display.
CAUTION: Before touching anything inside your XT2 XFR, ground yourself by touching an unpainted metal surface, such as the metal at the back of the XT2 XFR. While you work, periodically touch an unpainted metal surface to dissipate static electricity, which could harm internal components.
11.Remove any installed ExpressCards or Smart Cards from the appropriate slots.
12.Remove the hard drive (see Removing the Hard Drive).
The procedures in this document may require the following tools:
•Small flat-blade screwdriver
•#0 Phillips screwdriver
•#1 Phillips screwdriver
•Small plastic scribe
•Flash BIOS update program CD
CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your XT2 XFR.
1.Shut down the operating system:
•In Windows Vista:
Click Start , then click the arrow in the lower-right corner of the Start menu as shown below, and then click Shut Down.
•In Windows XP:
Click Start Turn Off Computer Turn Off.
The XT2 XFR turns off after the operating system shutdown process is complete.
2.Ensure that the XT2 XFR and all attached devices are turned off. If your XT2 XFR and attached devices did not automatically turn off when you shut down your operating system, press and hold the power button for about 4 seconds to turn them off.
Page 24 of 94 |
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Dell™ Latitude™ XT2 XFR Service Manual
After you complete any replacement procedure, ensure you connect any external devices, cards, and cables before turning on your computer.
CAUTION: To avoid damage to the XT2 XFR, use only the battery designed for this particular Dell computer. Do not use batteries designed for other Dell computers.
1.Connect any external devices, such as a port replicator, battery slice, or media base, and replace any cards, such as an ExpressCard.
2.Connect any telephone or network cables to your XT2 XFR.
CAUTION: To connect a network cable, first plug the cable into the network device and then plug it into the computer.
3.Replace the main battery.
4.Connect your XT2 XFR and all attached devices to their electrical outlets.
5.Turn on your XT2 XFR.
3 |
Screw Chart |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Chassis |
Location |
|
Screw |
|
|
Part # |
|
Qty |
|
|
|
|
||||||
|
1 |
USB/1394 DOOR |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||
|
|
|
|
|
|
|
|
||
|
|
|
|
hinge assy screw-M3 x 3 |
21106-03 |
2 |
|||
|
|
|
|
Latch screw-M1.2 |
40621 |
1 |
|||
|
|
|
|
door to chassis mouting screw |
21106-00 |
4 |
|||
|
2 |
IO/AUDIO DOOR |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
hinge assy screw-M3 x 3 |
21106-03 |
3 |
|||
|
|
|
|
Latch screw-M1.2 |
40621 |
1 |
|||
|
|
|
|
door to chassis mouting screw |
21106-00 |
6 |
|||
|
3 |
IO/VGA DOOR |
|
|
|
|
|
|
|
|
|
|
|
hinge assy screw-M3 x 3 |
21106-03 |
2 |
|||
|
|
|
|
Latch screw-M1.2 |
40621 |
1 |
|||
|
|
|
|
door to chassis mouting screw |
21106-00 |
4 |
|||
|
4 |
POWER DOOR |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
hinge assy screw-M3 x 3 |
21106-03 |
1 |
|||
|
|
|
|
Latch screw-M1.2 |
40621 |
1 |
|||
|
|
|
|
door to chassis mouting screw |
21106-00 |
2 |
|||
|
5 |
RF PASS THRU |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||
|
|
|
|
M2 x 3 |
21106-00 |
2 |
|||
|
|
|
|
|
|
|
|
|
|
|
6 |
STYLUS BAY |
|
|
|
|
|
|
|
|
|
|
|
Self tapping screw |
40426 |
1 |
|||
|
|
|
|
|
|
|
|
|
|
|
7 |
SNIFFER ASSEMBLY |
|
|
|
|
|
|
|
|
|
|
|
M2 x 3 |
21106-00 |
2 |
|||
|
|
|
|
|
|
|
|
|
|
|
8 |
SYSTEM BOARD |
|
|
|
|
|
|
|
|
|
|
|
M2.5 x 5 |
21106-01 |
1 |
|||
|
|
|
|
|
|
|
|||
|
|
|
|
M2.5 x 8 |
21106-02 |
1 |
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Page 25 of 94 |
Version A00-01 |
Dell™ Latitude™ XT2 XFR Service Manual
9 |
WIFI ASSEMBLY |
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custom |
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1 |
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10 |
HINGE PLATE TO CHASSIS |
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M2.5 x 5 |
21106-01 |
2 |
Palm Rest |
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KEYBOARD DOOR |
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M2 x 3 |
21106-00 |
2 |
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2 |
TOUCH PAD ASSEMBLY |
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M2 x 3 |
21106-00 |
4 |
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3 |
USB HUB BOARD |
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M2 x 3 |
21106-00 |
2 |
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4 |
BLUETOOTH MODULE |
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(option) |
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M2 x 3 |
21106-00 |
1 |
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5 |
KEYBOARD |
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M2 x 3 |
21106-00 |
2 |
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6 |
Upper Palm Rest Screw |
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CSK screw-M2x 5 |
40628 |
1 |
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LCD innerBezel |
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FPR board |
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M2 x 3 |
21106-00 |
1 |
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LCD Outer |
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Rocker Switch Assy |
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custom |
Thread Forming |
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2 |
Antenna bracket |
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M2 x 3 |
21106-00 |
4 |
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LCD ASSY |
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LCD mouting screws-PCB |
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custom csk |
40319 |
3 |
2 |
Hinge Moutning screws |
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M2.5 x 5 |
21106-01 |
4 |
3 |
ID Plate |
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M2.5 x 5 |
21106-01 |
4 |
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LCD inner and Outer Assy |
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4 |
screws |
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M2.5 x 8 |
21106-02 |
8 |
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front top side |
M2.5 x 7 |
40630 |
4 |
5 |
Hinge Cover screw |
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M2.5 x 5 |
21106-01 |
1 |
Base to LCD |
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hinge mouting base screw |
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M3 x 3 |
40500 |
4 |
2 |
Cable Clamp screws |
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Page 26 of 94 |
Version A00-01 |
Dell™ Latitude™ XT2 XFR Service Manual
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custom |
Thread Forming |
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Base to Palm rest |
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1 |
under the battery area |
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M2.5 x 5 |
21106-01 |
7 |
2 |
under the battery area |
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M2.5 x 8 |
21106-02 |
1 |
3 |
bottom side screws |
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M2.5 x 8 |
21106-02 |
9 |
Battery Module |
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1 |
Battery module assy |
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M2 x 3 |
21106-00 |
4 |
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KEYPAD / HINGE |
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COVER |
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Captive screw-M2 |
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custom |
40190 |
4 |
Dimms Door |
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1 |
Captive screw-M2 |
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custom |
40190 |
4 |
Latch Palm Rest |
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1 |
shoulder screw, Captive |
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custom |
40301 |
2 |
WARNING: Before working inside your XT2 XFR, read the safety information that shipped with your XT2 XFR. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
Page 27 of 94 |
Version A00-01 |
Dell™ Latitude™ XT2 XFR Service Manual
1.Follow the procedures in Before Working Inside Your XT2 XFR.
2.Slide the two battery-bay latch releases on the bottom of the XT2 XFR outward to each side.
3.Slide the battery out of the battery bay. Lift slightly using the latches to release the back edge.
4. Remove the battery from the XT2 XFR.
1.Follow the procedures in Before Working Inside Your XT2 XFR.
2.Remove the battery from the XT2 XFR before continuing.
3.Loosen the four captive screws on the front edge of the battery door. This releases the battery bracket.
Page 28 of 94 |
Version A00-01 |
Dell™ Latitude™ XT2 XFR Service Manual
4. Rotate the door up to remove the battery.
5. Remove the battery.
1. Place the bracket onto the battery.
2. Slide the battery onto the battery door and align the tabs on the battery with the door tabs.
Page 29 of 94 |
Version A00-01 |