DeWalt 267644-001 User Manual

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b
Troubleshooting
Compaq Notebook Series
Document Part Number: 267644-001
April 2002
This guide gives you steps to troubleshoot minor problems yourself and obtain support from Compaq. It presents common problems users may encounter and provides solutions and resources.
Page 2
© 2001 Compaq Information Technologies Group, L.P.
Compaq, the Compaq logo, Evo, and Presario are trademarks of Compaq Information Technologies Group, L.P. in the U.S. and/or other countries.
Microsoft and Windows are trademarks of Microsoft Corporation in the U.S. and/or other countries.
All other product names mentioned herein may be trademarks of their respective companies.
Compaq shall not be liable for technical or editorial errors or omissions contained herein. The information is provided “as is” without warranty of any kind and is subject to change without notice. The warranties for Compaq products are set forth in the express limited warranty statements accompanying such products. Nothing herein should be construed as constituting an additional warranty.
Troubleshooting First Edition April 2002 Document Part Number: 267644-001
Page 3
Contents
Solving Common Problems . . . . . . . . . . . . . . . . . . . . . . . 1–1
Quick Solutions Checklist . . . . . . . . . . . . . . . . . . . . 1–2
Using the World Wide Web. . . . . . . . . . . . . . . . . . . . . . . 1–3
Preparing to Call Technical Support . . . . . . . . . . . . . . . . 1–4
Problem Solutions Table . . . . . . . . . . . . . . . . . . . . . . . . . 1–5
Audio Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–5
Battery Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–7
CD and DVD Drive Problems . . . . . . . . . . . . . . . . . 1–10
Infrared Communications Problems . . . . . . . . . . . 1–13
Modem Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . 1–15
PC Card Problems . . . . . . . . . . . . . . . . . . . . . . . . . . 1–19
Keyboard and Pointing Device Problems . . . . . . . . 1–20
Hard Drive Problems (Primary Hard Drive) . . . . 1–22
Hard Drive Problems (Secondary Hard Drive) . . . 1–23
Power Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–24
Games Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–25
Display Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . 1–26
Internet Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . 1–27
Memory Problems . . . . . . . . . . . . . . . . . . . . . . . . . . 1–27
USB Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–28
Troubleshooting iii
Page 4

Problems and Solutions

Solving Common Problems

Problems that occur while using the notebook may originate with the notebook, the operating system, a software application, or an external device attached to your notebook.
This guide is designed to describe solutions to enable you to troubleshoot problems yourself or obtain help from Compaq.
For general problems that may originate with the notebook,
refer to the “Quick Solutions Checklist” in this guide.
For problems that may originate with your hardware, refer to
the Hardware Guide on this CD.
1
To check your notebook configuration and run diagnostic
tests, refer to the Software Guide on this CD.
For problems that may not originate with the notebook, refer
to the documentation included with your software application, external device, or operating system.
For Compaq support, refer to “Preparing to Call Technical
Support” and “Using the World Wide Web” in this guide.
To locate a Compaq authorized dealer, reseller, or service
provider, refer to the Worldwide Telephone Numbers booklet included with the notebook.
Troubleshooting 1–1
Page 5
Problems and Solutions

Quick Solutions Checklist

To shut down a system that is not responding, when Windows
shut down procedures cannot be used, refer to the emergency shut down procedures outlined in the Hardware Guide on this CD.
Is adequate power available to the notebook?
If the notebook is connected to an electrical outlet, are
the power cord and external AC Adapter cable
connections secure?
Is the electrical outlet providing power?
Is the battery pack fully charged?
For details about managing battery power, refer to the battery
pack information in the Hardware Guide on this CD.
Did you remove a diskette from the drive before turning on
the notebook? Failure to do so can prevent the notebook from booting up.
For instructions on downloading ROM updates, refer to the
Software Guide on this CD.
1–2 Troubleshooting
Page 6
Problems and Solutions
Is the notebook positioned to allow adequate ventilation?
To prevent overheating, do not obstruct the vents. Do not allow
a hard surface, such as an adjoining optional printer, or a soft surface, such as carpet or fabric, to block the airflow.
Have files been scanned for viruses?
Was the notebook shut down through the operating system?
Failure to do so can corrupt files.
If the problem relates to an external device:
Is the device securely connected?
Is the device receiving reliable electrical power?
Is the device turned on?
Some devices, such as monitors, printers, and parallel devices,
must be turned on before the notebook is turned on.
Are all necessary device drivers installed?

Using the World Wide Web

A range of Compaq support services are available on the Compaq Web site. You can browse the reference information or contact support and submit questions via email. You can also find technical assistance from peers via Compaq Forums and Communities.
For home, home office, and small business support, type the following in your Web browser address field:
compaq.com/consumersupport.
Troubleshooting 1–3
Page 7
Problems and Solutions
For commercial business support, type the following in your Web browser address field: connected to the Internet, refer to the Worldwide Telephone Numbers booklet included with the notebook to contact a support technician or a Compaq authorized dealer, reseller, or service provider.
compaq.com/support.

Preparing to Call Technical Support

If you cannot solve a problem using the troubleshooting guidelines in this book and need immediate problem resolution, call Compaq Technical Support.
To receive the fastest possible solution, run Compaq Diagnostics before you call. (See the Software Guide on this CD for instructions.) Have the following information available when you call Technical Support:
The notebook
Serial number
If the notebook is not
Purchase date on invoice
Conditions under which the problem occurred
Error messages that have occurred
Hardware configuration
Hardware and software you are using
Type of printer connected
Printed information from Compaq Diagnostics or a list of the
devices and error messages received
Configuration settings, including contents of the system files
If you take the notebook to a Compaq dealer, reseller, or service
provider for service, remember to remove any power-on or setup passwords you have set, or provide the passwords to the service provider.
1–4 Troubleshooting
Page 8
Problems and Solutions

Problem Solutions Table

Audio Problems

Problem Possible Cause Solution
No sound. Volume has been muted
or turned down.
Volume has been muted and the volume control icon is missing from the taskbar.
Internal speakers produce no sound.
External speakers, headphones, or a headset produce no sound.
External speakers, headphones, or a headset are connected to the notebook.
Volume is muted or turned down.
Use volume buttons or the volume control icon on the taskbar to adjust the volume.
To display the volume control icon, refer to the audio information in the
Hardware Guide
this CD.
Use the external speakers, headphones, or headset. Or use the internal speakers by disconnecting the external speakers, headphones, or headset.
Use volume buttons or the volume control icon on the taskbar to adjust the volume.
Adjust the volume from within the operating system or software application.
on
The wrong jack is being used.
Troubleshooting 1–5
To find the right jack, refer to the external components information in the
Hardware Guide
on this CD.
Page 9
Problems and Solutions
Audio Problems
Problem Possible Cause Solution
External microphone does not work.
(Continued)
The wrong jack is being used.
The recording source is not selected in the software.
The recording level volume needs adjusting.
To identify the right jack, refer to the external components information in the on this CD.
Select the recording source in the software application. Refer to the documentation included with the device for more information.
Adjust the recording level volume from within the software application. Refer to the documentation included with your device for more information.
Hardware Guide
1–6 Troubleshooting
Page 10
Problems and Solutions

Battery Problems

Problem Possible Cause Solutions
Battery light is blinking. The battery pack is the
only source of power, and the notebook has entered a low-battery condition.
Battery light is blinking and the notebook initiates Hibernation.
The power/suspend light blinks briefly, and the notebook shuts down.
Battery pack is warm after charging.
Notebook has entered a critical low-battery condition and has initiated Hibernation.
Notebook has entered a critical low-battery condition with Hibernation disabled. Unsaved work will be lost.
Warming occurs normally during charging.
Connect the notebook to external power or initiate Hibernation, and replace the battery pack with a fully charged battery pack. Refer to the battery pack chapter in the
Hardware Guide
on this CD for details.
Connect the notebook to external power or insert a fully charged battery pack. Refer to the battery pack chapter in the
Hardware Guide
on this CD for managing low-battery conditions.
Immediately connect the notebook to external power. Refer to the battery pack chapter in the
Hardware Guide
details on managing battery power.
No action is required.
for
Date and time must be reset each time the notebook is turned on.
The battery that backs up the real-time clock has reached the end of its useful life.
Contact your Compaq authorized service provider to replace the real-time clock battery.
Troubleshooting 1–7
Page 11
Problems and Solutions
Battery Problems
Problem Possible Cause Solutions
Battery light does not turn on to indicate that battery pack is charging; battery pack does not charge.
(Continued)
AC power is not connected to the notebook.
Battery pack is already fully charged.
Battery pack was exposed to temperature extremes.
The battery pack has reached the end of its useful life.
Check the power source.
No action is required.
Allow time for the battery pack to reach room temperature.
Replace the battery pack.
1–8 Troubleshooting
Page 12
Problems and Solutions
Battery Problems
Problem Possible Cause Solutions
Battery pack charge does not last as long as expected.
Battery charge displays do not accurately report the charge remaining.
(Continued)
Battery conservation settings, practices, and procedures are not set optimally.
Battery pack has partially self-discharged.
Battery pack is being exposed to temperature extremes.
The battery pack requires calibration.
To optimize battery settings, refer to the battery conservation information in the
Hardware Guide
this CD.
Refer to details on storing a battery pack in the on this CD.
Keep the battery pack within recommended operating and storage temperature ranges. Refer to the notebook specifications in the
Hardware Guide
this CD.
Calibrate the battery pack. Refer to the battery pack calibration procedures in the
Hardware Guide
this CD.
on
Hardware Guide
on
on
The battery pack has reached the end of its useful life.
Troubleshooting 1–9
Replace the battery pack.
Page 13
Problems and Solutions
\

CD and DVD Drive Problems

Problem Possible Cause Solution
System does not recognize a CD or DVD dri ve.
The drive is not seated properly.
System software does not support the drive.
The drive is damaged. To verify that the
The notebook is running a retail version of the operating system, and the drive was inserted while the system was on, in Standby, or in Hibernation.
Remove, then reinsert, the drive.
Install drivers and/or a system ROM upgrade as instructed in the drive documentation.
problem is with the drive, try using another drive in the same bay.
Shut down the notebook, reinsert the drive, then turn on the notebook.
To prevent
possible video and audio degredation and loss of audio or video playback functionality, do not initiate Standby or Hibernation while using drive media.
Notebook does not beep 3 times when CD or DVD drive is inserted, but drive is recognized.
The system is infected with a virus.
The notebook is off, in Standby, or in Hibernation.
Run an up-to-date virus scan utility.
The notebook beeps to indicate a successful insertion or removal of a drive only when the notebook is on.
1–10 Troubleshooting
Page 14
Problems and Solutions
CD and DVD Drive Problems
Problem Possible Cause Solution
CD or DVD drive cannot read a CD or DVD disc.
CD/DVD drive takes too long to start.
System cannot start up from a CD or DVD disc.
The disc is upside down or not seated properly.
The disc may not be supported by the drive.
The DVD drive must determine the type of media being played before it can start.
A disc in the CD or DVD drive is not bootable.
CD or DVD boot ability is disabled.
The system can access, but not start from, a CD or DVD drive in a port replicator.
(Continued)
Reinsert the disc with the label facing up and verify that the disc is securely snapped down on the spindle.
Use only discs that are supported. (A DVD disc cannot be used in a CD drive.)
Wait at least 30 seconds to let the DVD drive determine the type of media being played. If the disc still does not start, contact Compaq support.
Insert a bootable disc into the drive.
To enable CD or DVD boot ability, refer to the Multiboot information in the
Software Guide
this CD.
Insert the drive into the notebook.
on
Troubleshooting 1–11
Page 15
Problems and Solutions
CD and DVD Drive Problems
Problem Possible Cause Solution
System does not initiate Standby or Hibernation while a CD or DVD disc is in use.
DVD playe r performance is poor when running other programs simultaneously.
Display is corrupted when playing some DVD movies.
To protect the notebook from possible video degradation and/or loss of audio and video playback functionality, the notebook should not initiate Standby or Hibernation while optical media is being used.
DVD playback requires large amounts of processing power; the system cannot process other tasks simultaneously at maximum performance.
Copyright material at the beginning of the movie causes momentary corruption.
(Continued)
Stop the DVD or CD playback. Remove drive media before initiating Standby or Hibernation.
To provide maximum performance, close all other programs while playing DVD media. It may also be necessary to restart Windows to free all resources.
Wait a few seconds for video corruption to clear up. If it does not clear up, then stop and restart the DVD movie.
1–12 Troubleshooting
Page 16
Problems and Solutions

Infrared Communications Problems

Problem Possible Cause Solution
Cannot link with another infrared-equipped notebook or device.
Infrared software is not running on both devices.
Infrared Monitor search is disabled.
Target device is not IrDA-compliant.
The application is not set to the correct COM port.
Baud rate, number of bits, stop byte, or parity conflict.
Install infrared software on the second device and start the program on both devices.
Enable the Infrared Monitor search in your operating system.
Check the documentation of the target device to ensure compatibility and proper setup.
Check your operating system to determine which COM port the software is set to. If necessary, change the COM port settings from within the software application. Refer to the documentation included with your software for instructions.
Select the same baud rate, number of bits, stop byte, and parity setting for both devices.
A physical condition is causing a data transmission problem.
Troubleshooting 1–13
Refer to “Data transmission problem” in this table.
Page 17
Problems and Solutions
Infrared Communications Problems
Problem Possible Cause Solution
Data transmission problem.
Direct sunlight, energy-saving fluorescent light, or flashing incandescent light is close to the infrared connections.
Interference from other infrared-equipped devices.
Dirty infrared lens. Clean the lens with a
Distance. Move the infrared ports
Movement. Do not move either
(Continued)
Remove the interfering light source(s), or move the infrared ports closer together, or select a slower fixed baud rate for each device.
Keep infrared-equipped remote control units, such as wireless headphones, pointed away from the infrared connection.
lint-free cloth.
closer together. They should be no more than 3 feet (1 meter) apart.
unit during data transmission.
Orientation. Adjust the infrared
ports so that the maximum capture angle is 30 degrees. Ports must be aligned so they’re no more than 15 degrees off center.
Physical obstruction. Remove any objects
between the two infrared ports that could be interfering with the line-of-sight data transmission.
1–14 Troubleshooting
Page 18
Problems and Solutions
Infrared Communications Problems
Problem Possible Cause Solution
System does not initiate Standby while infrared port is enabled.
The system cannot initiate Standby while Infrared Monitor search is enabled.
(Continued)
Disable Infrared Monitor search in your operating system.

Modem Problems

Problem Possible Cause Solution
Modem does not work. Modem cable is not
plugged into the correct notebook jack.
Incorrect line type (pulse or tone) is selected.
Modem is connected to a digital line.
To find the right jack, refer to the external components information in the on this CD.
Make sure the correct line type has been selected. Refer to the
Modem and Networking Guide
details.
Connect the modem to a standard analog telephone line and reestablish the connection.
Hardware Guide
on this CD for
No dial tone, with or without “No dial tone” message.
Troubleshooting 1–15
You are not in your home country and the modem does not recognize the local dial tone.
Refer to the
Networking Guide
this CD for instructions on using the modem in another country.
Modem and
on
Page 19
Problems and Solutions
Modem Problems
Problem Possible Cause Solution
No dial tone, with or without “No dial tone” message.
Modem sounds are not audible.
Modem does not dial correctly.
(continued)
(Continued)
Telephone service is not connected to the telephone wall jack.
A shared telephone line is in use.
Modem is connected to a digital line such as an office PBX line.
System sound is muted or turned down.
Call waiting feature may be interfering.
Connect a telephone to the wall jack. If you do not hear a dial tone, contact your telephone service provider.
Make sure another telephone or modem is not using the telephone line.
Connect the modem to a standard analog telephone line and reestablish the connection.
Use volume buttons or the volume control icon on the taskbar to adjust the volume.
Disable call waiting feature before dialing. For information about disabling call waiting, and to obtain the “disable call waiting code” for your dialing area, consult your local telephone service provider.
When using the modem in another country, it may be necessary to dial a prefix, such as “0” or “1.”
1–16 Troubleshooting
Dial “0” or “1” before dialing the number.
Page 20
Problems and Solutions
Modem Problems
Problem Possible Cause Solution
Modem does not connect at highest speed.
Fax transmissions do not work.
(Continued)
Line conditions in your area or in the area you are calling may not support the highest connect speeds.
Another device on your telephone line may be causing interference.
There is noise on the telephone line.
Another communications software application is open.
Have your telephone line checked by your local telephone service provider.
Try dialing an alternate telephone number for the service you are using.
Hang up an extension telephone and disconnect any other devices that may be using the same phone line, then redial your service provider.
Use another telephone line.
Close the other communications application.
The wrong printer driver is selected.
Characters are garbled or transfer rates are slow.
Troubleshooting 1–17
There is noise on the telephone line.
Verify that you have selected the correct printer driver.
Request a telephone line filter from your local telephone service provider.
Page 21
Problems and Solutions
Modem Problems
Problem Possible Cause Solution
Modem loses connection.
(Continued)
Call waiting feature may be interfering with the connection.
Another device on your telephone line may be causing interference.
Hibernation was initiated; the notebook reached a low-battery or critical low-battery condition.
Disable call waiting feature before dialing. For information about disabling call waiting, and to obtain the “disable call waiting code” for your dialing area, consult your local telephone service provider.
Hang up an extension telephone and disconnect any other devices that may be using the same telephone line, then redial.
1. Connect the notebook to an external power source.
2. Exit Hibernation.
3. Restart the communications software application.
Your service provider may have entered an inactivity timeout.
The modem software needs to be upgraded.
1–18 Troubleshooting
Ask your service provider if idle time on the line terminates the connection.
Refer to the
Guide
details on downloading software driver updates.
Software
on this CD for
Page 22
Problems and Solutions

PC Card Problems

Problem Possible Cause Solution
Notebook does not beep when PC Card is inserted, but PC Card works.
Notebook does not beep when PC Card is inserted, and PC Card does not work.
Notebook beeps once when PC Card is inserted, and PC Card does not work.
Volume is muted. Use volume buttons or
the volume control icon on the taskbar to adjust the volume.
PC Card beeps have been disabled.
PC Card is upside down.
The PC Card is recognized, but not configured correctly.
The PC Card is defective.
You are trying to access a storage PC Card using the wrong drive letter.
To enable PC Card beeps, refer to the power management section in the
Guide
Remove the PC Card, then reinsert it with the label side up.
To configure your PC Card, refer to the PC Card information in the
Hardware Guide
CD. Also refer to he documentation included with the PC Card.
Try the PC Card in another notebook to verify the source of the problem.
For PC Card configuration information, refer to
Hardware Guide
on this CD.
Software
on this CD.
on this
Troubleshooting 1–19
Page 23
Problems and Solutions
PC Card Problems
Problem Possible Cause Solution
Notebook beeps twice when a storage PC Card is inserted, but the PC Card does not work.
(Continued)
The storage PC Card is not formatted.
Verify or change the drive letter assignment. For instructions, refer to your operating system documentation.
To format a PC Card, refer to the documentation included with the card.

Keyboard and Pointing Device Problems

Problem Possible Cause Solution
Cursor will not respond or jumps to a different location while you are typing.
Pointing stick cursor continues to move or is difficult to control.
Typing keys results in numbers instead of letters.
Embedded numeric keypad doesn’t work.
Hotkeys do not work on an external keyboard.
TouchPad needs to be cleaned.
TouchPad sensitivity settings may need adjustment.
Routine cursor drift. Stop using the pointing
The embedded numeric keypad is enabled.
The embedded numeric keypad is not enabled.
Hotkeys commands are implemented differently on an external keyboard.
Wipe the TouchPad with a damp cloth and wipe it dry.
Refer to the
Guide
preferences for the TouchPad.
stick for a few seconds, and the cursor will stabilize.
To g gl e disable the embedded numeric keypad.
To g gl e enable the embedded numeric keypad.
Refer to the keyboard information in the
Hardware Guide
this CD for details.
Hardware
on this CD to set
Fn+num lk
Fn+num lk
to
to
on
1–20 Troubleshooting
Page 24
Problems and Solutions
Keyboard and Pointing Device Problems
Problem Possible Cause Solution
External mouse does not work.
Keys on the notebook keyboard are sticking or not responding properly.
A keyboard or pointing device connected through the USB connector does not work.
Internal keypad won’t work.
The external mouse is not supported or does not have the correct drivers installed.
The mouse is dirty. Refer to the instructions
The keyboard is dirty. Refer to the instructions
USB legacy support is not enabled.
External keypad is connected to the PS/2 jack on the port replicator.
(Continued)
Ensure that the drivers included with your mouse have been installed.
in the
Shipping and Travel Guide
clean your mouse.
in the
Shipping and Travel Guide
clean your keyboard.
Refer to the
Guide
instructions on enabling legacy USB devices.
Use external keypad or disconnect it to use internal keypad.
Maintenance,
on this CD to
Maintenance,
on this CD to
Hardware
on this CD for
Troubleshooting 1–21
Page 25
Problems and Solutions

Hard Drive Problems (Primary Hard Drive)

Problem Possible Cause Solution
Hard drive cannot be accessed.
DriveLock settings cannot be accessed in Computer Setup.
System does not recognize a hard drive.
The notebook may have DriveLock protection enabled on the drive.
The DriveLock settings are accessible only when you enter Computer Setup by turning on (not restarting) the notebook.
The drive is damaged. Replace the drive.
To set or remove passwords, refer to the security section in the
Software Guide
this CD.
Turn the notebook off. Then turn it back on and press F10 = ROM Based Setup message is displayed in the lower-left corner of the screen.
Ä
on
when the
F10
CAUTION: Only advanced users should replace the hard drive. For technical support, refer to the
Worldwide Telephone Numbers
booklet included with the notebook.
1–22 Troubleshooting
Page 26
Problems and Solutions

Hard Drive Problems (Secondary Hard Drive)

Problem Possible Cause Solution
System does not recognize a hard drive.
System cannot start up from a secondary hard drive.
The drive is not seated properly.
The drive was inserted while the system was on, in Standby, or in Hibernation.
The drive is damaged. If you have access to
The drive does not have the necessary files to start up and operate the notebook.
Drive boot order may not be set up correctly in MultiBoot.
The system can access, but not start from, a hard drive in a port replicator.
Remove, then reinsert, the drive.
Shut down the notebook before inserting or removing a hard drive.
another drive, use that drive to verify the source of the problem.
Start up the notebook from the hard drive supplied with the notebook.
Check the drive boot order in Computer Setup. Refer to the
Software Guide
CD for information on Computer Setup and Multiboot.
Insert the drive into the notebook.
on this
Troubleshooting 1–23
Page 27
Problems and Solutions

Power Problems

Problem Possible Cause Solution
Notebook will not turn on when connected to external power while battery pack is in the notebook.
Notebook turned off while it was left unattended and power/standby light is off.
Notebook turned off while it was left unattended and will not turn on.
Notebook unexpectedly initiated Standby or turned off.
Battery pack may be defective.
System initiated Hibernation.
System initiated Hibernation or shut down because of a critical low-battery condition.
The maximum operating temperature was exceeded.
Remove or replace the battery pack.
Exit Hibernation.
To change a Hibernation timeout, refer to the power section in the
Guide
1. Connect the notebook to an external power source or replace the battery pack with a charged battery pack.
2. Exit Hibernation.
Move the notebook to a cooler environment and allow it to return to room temperature.
Make sure the notebook vents and exhaust fan are not obstructed.
Software
on this CD.
1–24 Troubleshooting
Page 28
Problems and Solutions
Power Problems
Problem Possible Cause Solution
System does not initiate Standby.
(Continued)
The system cannot initiate Standby while Infrared Monitor search is enabled.
The system cannot initiate Standby while a CD or DVD disc is in the system and auto insert notification is turned on.
Disable Infrared Monitor search in your operating system.
Remove the CD or DVD disc.

Games Problems

Problem Possible Cause Solution
Game frequently stops responding or locks up.
Game was not set up properly when installed.
Minimum hardware and software requirements set by the manufacturer are not met.
Reinstall the game, noting any settings and default selections that pertain to your notebook, then restart the game.
Review the game documentation or call the manufacturer to verify the required hardware and software.
Troubleshooting 1–25
Page 29
Problems and Solutions

Display Problems

Problem Possible Cause Solution
Characters on notebook display are dim.
Display is blank. Standby has been
Characters are garbled or the display flashes when your notebook is connected to an external monitor.
Notebook is in direct light.
Screen brightness is set low.
initiated.
Hibernation has been initiated.
The external monitor display is selected.
The external monitor’s resolution is set too high for your notebook.
Move the notebook or tilt the display.
To increase screen brightness, press the brightness hotkeys. Refer to the
Guide
hotkey settings.
Exit Standby. Refer to the
Software Guide
this CD for details about Standby and other power settings.
Exit Hibernation. Refer to the on this CD for details about Hibernation and other power settings.
To switch between the external monitor and notebook display, press the display switch hotkeys. Refer to the
Hardware Guide
this CD for the hotkey settings.
Restart your notebook and reset the display settings.
Hardware
on this CD for the
on
Software Guide
on
1–26 Troubleshooting
Page 30
Problems and Solutions

Internet Problems

Problem Possible Cause Solution
Cannot connect to the Internet.
Easy Access buttons do not respond.
Cannot browse a selected Web site.
Internet service provider (ISP) account is not set up properly.
Internal modem is not set up properly.
ISP connection is not established.
Wrong URL or the site is no longer available.
Too many people trying to visit the same site at the same time.
Verify your Internet settings or contact your ISP for assistance.
Reconnect the modem and redial your service provider. To set up your modem, refer to the
Modem and Networking Guide
Reconnect to your ISP and retry the Easy Access buttons.
Verify the URL or try another URL.
Visit the site at another time.

Memory Problems

Problem Possible Cause Solution
Insufficient memory message is displayed.
All available memory is used by open programs and memory is needed for the desired task.
Close one or more programs and retry. If this does not solve the problem, restart Windows to recover additional memory.
on this CD.
Troubleshooting 1–27
Page 31
Problems and Solutions

USB Problems

Problem Possible Cause Solution
External device connected to the USB connector does not work.
The external device does not start up.
The external device is defective.
USB device needs a driver update.
External device produced an overcurrent event.
Resource conflict in device manager.
If the external device requires external power, ensure that it is plugged into the electrical outlet correctly.
Try the external device in another USB connector on your notebook or a USB connector on another notebook to verify the problem.
Check with your USB device manufacturer for updated drivers.
Connect the external device to another USB connector, or if the device can use external power, connect it to an electrical outlet.
Check the device manager in the operating system for resource conflicts and change the resources.
1–28 Troubleshooting
Page 32
Problems and Solutions
USB Problems
Problem Possible Cause Solution
A device, for example the keyboard or mouse, connected through the USB connector does not work before the operating system loads.
(Continued)
USB legacy support is disabled.
To enable USB legacy support, refer to the
Software Guide
CD for Computer Setup information.
on this
Troubleshooting 1–29
Page 33

Index

A
audio problems 1–5
B
battery pack problems 1–7, 1–9
C
CD problems 1–10 clock
problems with date and time
1–7
1–3
1–4
1–20
Compaq Diagnostics Compaq Web sites
commercial consumer
cursor problems
1–3
D
date and time problems
1–10
1–7
real-time clock battery display problems drive media problems DVD problems
1–12, 1–26
1–10
E
embedded numeric keypad
problems external keyboard problems external mouse problems
1–20
1–21
1–20
H
hard drive problems
primary hard drive secondary hard drive
1–22
1–23
help
calling Compaq technical
support
Hibernation
problems with CDs and DVDs
1–10
1–4
I
infrared problems 1–13 internal keyboard problems internal modem problems Internet problems Internet Service Provider (ISP)
problems
1–27
1–27
1–21
1–27
K
keyboard problems 1–20
L
low-battery problems 1–7
M
memory problems 1–27 modem problems monitor problems mouse problems movies
DVD problems
1–15
1–26
1–21
1–12
N
numeric keypad problems 1–20
O
optical drive problems 1–10 overheating
keeping vents unobstructed
1–3
Troubleshooting Index–1
Page 34
Index
P
passwords
providing to service provider
1–4
1–24
1–19
1–25
1–20
PC Card problems playing games
problems encountered pointing stick problems power (battery pack) problems power problems primary hard drive problems
Q
quick solutions checklist 1–2
R
real-time clock 1–7 recording problems
1–6
S
screen problems 1–26 secondary hard drive problems
1–23
sound problems
1–5
1–7
1–22
1–28
1–5
1–20
speaker problems Standby
problems with CDs and DVDs
1–10
problems with Infrared
T
technical support calls
gathering information prior to
1–4
TouchPad problems
U
URL problems 1–27 USB problems
V
vents
preventing overheating
volume control problems
W
Web problems 1–27
1–5
1–15
1–3
Index–2 Troubleshooting
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