Dell Inspiron 17R SE 7720 Service manual
Dell Inspiron 17R
Owner’s Manual
Computer model: Inspiron 17R-5720/17R-7720
Regulatory model: P15E
Regulatory type: P15E001
Notes, Cautions, and Warnings
NOTE: A NOTE indicates important information that helps you make better use of
your computer.
CAUTION: A CAUTION indicates potential damage to hardware or loss of data if
instructions are not followed.
WARNING: A WARNING indicates a potential for property damage, personal
injury, or death.
____________________
© 2012 Dell Inc. All rights reserved.
Trademarks used in this text: Dell™, the DELL logo, and Inspiron™ are trademarks of Dell Inc.;
Microsoft
trademarks of Microsoft corporation in the United States and/or other countries; Bluetooth
registered trademark owned by Bluetooth SIG, Inc. and is used by Dell under license.
2012 - 10 Rev. A01
2 |
®
, Windows®, and the Windows start button logo are either trademarks or registered
®
is a
Contents
1 Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . 7
Turn Off Your Computer and Connected Devices . . . 7
Safety Instructions
Recommended Tools
. . . . . . . . . . . . . . . . . . . . . . . . 7
. . . . . . . . . . . . . . . . . . . . . . 8
2 After Working Inside Your Computer . . . . . . . . 9
3 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Removing the Switch . . . . . . . . . . . . . . . . . . . . . 11
Replacing the Switch
. . . . . . . . . . . . . . . . . . . . . 12
4Battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Removing the Battery . . . . . . . . . . . . . . . . . . . . . 13
Replacing the Battery
. . . . . . . . . . . . . . . . . . . . . 13
5 Keyboard. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Removing the Keyboard . . . . . . . . . . . . . . . . . . . 15
Replacing the Keyboard
. . . . . . . . . . . . . . . . . . . 18
6 Base Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Removing the Base Cover . . . . . . . . . . . . . . . . . . 19
Replacing the Base Cover
. . . . . . . . . . . . . . . . . . 20
7 Memory Module(s) . . . . . . . . . . . . . . . . . . . . . . 21
Removing the Memory Module(s). . . . . . . . . . . . . 21
Replacing the Memory Module(s)
. . . . . . . . . . . . . 22
8 Hard Drive(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Removing the Hard Drive(s) . . . . . . . . . . . . . . . . . 23
Replacing the Hard Drive(s)
. . . . . . . . . . . . . . . . . 26
9 Optical Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Removing the Optical Drive. . . . . . . . . . . . . . . . . 27
Replacing the Optical Drive
. . . . . . . . . . . . . . . . . 29
Contents | 3
10 Wireless Mini-Card. . . . . . . . . . . . . . . . . . . . . . 31
Removing the Wireless Mini-Card. . . . . . . . . . . . . 31
Replacing the Wireless Mini-Card
. . . . . . . . . . . . . 33
11 mSATA Card (Optional) . . . . . . . . . . . . . . . . . . 35
Removing the mSATA Card . . . . . . . . . . . . . . . . . 35
Replacing the mSATA Card
. . . . . . . . . . . . . . . . . 37
12 Palm Rest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Removing the Palm Rest . . . . . . . . . . . . . . . . . . . 39
Replacing the Palm Rest
. . . . . . . . . . . . . . . . . . . 41
13 Coin-Cell Battery . . . . . . . . . . . . . . . . . . . . . . . 43
Removing the Coin-Cell Battery. . . . . . . . . . . . . . 43
Replacing the Coin-Cell Battery
. . . . . . . . . . . . . . 45
14 Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Removing the Fan . . . . . . . . . . . . . . . . . . . . . . . 47
Replacing the Fan
. . . . . . . . . . . . . . . . . . . . . . . 48
15 LAN Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Removing the LAN Board . . . . . . . . . . . . . . . . . . 49
Replacing the LAN Board
. . . . . . . . . . . . . . . . . . 51
16 LAN-USB Cable. . . . . . . . . . . . . . . . . . . . . . . . . 53
Removing the LAN-USB Cable . . . . . . . . . . . . . . . 53
Replacing the LAN-USB Cable
. . . . . . . . . . . . . . . 55
17 USB Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Removing the USB Board . . . . . . . . . . . . . . . . . . 57
Replacing the USB Board
. . . . . . . . . . . . . . . . . . 59
18 Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Removing the Display Assembly . . . . . . . . . . . . . . 61
. . . . . . . . . . . . . . 63
. . . . . . . . . . . . . . . . 64
. . . . . . . . . . . . . . . . . 65
. . . . . . . . . . . . . . . . 66
. . . . . . . . . . . . . . . . . 69
| Contents
4
Replacing the Display Assembly
Removing the Display Bezel
Replacing the Display Bezel
Removing the Display Panel
Replacing the Display Panel
19 Camera Module . . . . . . . . . . . . . . . . . . . . . . . . 71
Removing the Camera Module. . . . . . . . . . . . . . . 71
Replacing the Camera Module
. . . . . . . . . . . . . . . 74
20 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Removing the System Board . . . . . . . . . . . . . . . . 75
Replacing the System Board
Entering the Service Tag in the BIOS
. . . . . . . . . . . . . . . . 79
. . . . . . . . . . . 80
21 Heat Sink. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Removing the Heat Sink . . . . . . . . . . . . . . . . . . . 81
Replacing the Heat Sink
. . . . . . . . . . . . . . . . . . . 83
22 Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Removing the Processor . . . . . . . . . . . . . . . . . . . 85
Replacing the Processor
. . . . . . . . . . . . . . . . . . . 87
23 Power-Adapter Port. . . . . . . . . . . . . . . . . . . . . 89
Removing the Power-Adapter Port . . . . . . . . . . . . 89
Replacing the Power-Adapter Port
. . . . . . . . . . . . 91
24 Speakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Removing the Speakers . . . . . . . . . . . . . . . . . . . 93
Replacing the Speakers
. . . . . . . . . . . . . . . . . . . . 95
25 Subwoofer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Removing the Subwoofer . . . . . . . . . . . . . . . . . . 97
Replacing the Subwoofer
. . . . . . . . . . . . . . . . . . 99
26 Flashing the BIOS . . . . . . . . . . . . . . . . . . . . . . 101
Contents | 5
6 | Contents
Before You Begin
1
Turn Off Your Computer and Connected Devices
CAUTION: To avoid losing data, save and close all open files and exit all open
programs before you turn off your computer.
1 Save and close all open files and exit all open programs.
2 Follow the instructions to shut down your computer based on the operating system
installed on your computer.
• Windows 8:
• Windows 7:
3 Disconnect your computer and all attached devices from their electrical outlets.
4 Disconnect all telephone cables, network cables, and attached devices from your
computer.
5 Press and hold the power button for about 5 seconds, after the computer is
unplugged, to ground the system board.
Move your mouse pointer to the upper-right or lower-right corner of the
screen to open the Charms sidebar, and then click Settings→ Power→
Shut down.
Click Start
Microsoft Windows shuts down and then the computer turns off.
NOTE: If you are using a different operating system, see the documentation
of your operating system for shut-down instructions.
and click Shut down.
Safety Instructions
Use the following safety guidelines to protect your computer from potential damage and
ensure your personal safety.
WARNING: Before working inside your computer, read the safety information
that shipped with your computer. For additional safety best practices
information, see the Regulatory Compliance Homepage at dell.com/
regulatory_compliance.
WARNING: Disconnect all power sources before opening the computer cover or
panels. After you finish working inside the computer, replace all covers, panels,
Before You Begin |
and screws before connecting to the power source.
CAUTION: To avoid damaging the computer, ensure that the work surface is flat
and clean.
CAUTION: To avoid damaging the components and cards, handle them by their
edges and avoid touching pins and contacts.
7
CAUTION: Only a certified service technician is authorized to remove the
computer cover and access any of the components inside the computer. See the
safety instructions for complete information about safety precautions, working
inside your computer, and protecting against electrostatic discharge.
CAUTION: Before touching anything inside your computer, ground yourself by
touching an unpainted metal surface, such as the metal at the back of the
computer. While you work, periodically touch an unpainted metal surface to
dissipate static electricity, which could harm internal components.
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 or
thumb-screws that you must disengage before disconnecting the cable. When
disconnecting cables, keep them evenly aligned to avoid bending any connector
pins. When connecting cables, ensure that the connectors and ports are correctly
oriented and aligned.
CAUTION: To disconnect a network cable, first unplug the cable from your
computer and then unplug the cable from the network device.
CAUTION: Press and eject any installed card from the
8-in-1 Media Card Reader.
Recommended Tools
The procedures in this document may require the following tools:
• Phillips screwdriver
• Plastic scribe
• Small flat-blade screwdriver
8 | Before You Begin
After Working Inside Your Computer
2
After you complete replacement procedures, ensure the following:
• Replace all screws and ensure that no stray screws remain inside your computer
• Connect any external devices, cables, cards, and any other part(s) you removed
before working on your computer
• Connect your computer and all attached devices to their electrical outlets
CAUTION: Before turning on your computer, replace all screws and ensure that
no stray screws remain inside the computer. Failure to do so may damage your
computer.
After Working Inside Your Computer |
11
12 | After Working Inside Your Computer
Switch
3
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in
"Before You Begin" on page 7. For additional safety best practices information,
see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
Removing the Switch
1 Slide the switch release latch to the side.
The switch pops up.
2 Lift the switch off the computer.
1
2
1 display cover 2 switch
3
switch release latch
3
Switch |
11
Replacing the Switch
1
Align the tabs at the bottom of the switch with the slots on the display cover and
snap the switch into place.
NOTE: Ensure that the tabs on the switch are secured in the slots on the
display cover.
1
2
1 tabs 2 slots
Follow the instructions in "After Working Inside Your Computer" on page 11.
2
12 | Switch
Battery
4
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in
"Before You Begin" on page 7. For additional safety best practices information,
see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
Removing the Battery
1 Close the display and turn the computer over.
2 Slide the battery release latches to the unlock position.
3 Lift the battery out of the battery bay.
2
1
1 battery release latches (2) 2 battery
Replacing the Battery
1 Align the tabs on the battery with the slots on the battery bay and snap the battery
until it clicks into place.
2 Follow the instructions in "After Working Inside Your Computer" on page 11.
Battery |
13
14 | Battery
Keyboard
5
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in
"Before You Begin" on page 7. For additional safety best practices information,
see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
Removing the Keyboard
Prerequisites
Remove the battery. See "Removing the Battery" on page 13.
Keyboard |
15
Procedure
CAUTION: The keycaps on the keyboard are fragile, easily dislodged, and
time-consuming to replace. Be careful when removing and handling
the keyboard.
1 Turn the computer over and open the display as far as possible.
2 Using a plastic scribe, release the keyboard from the tabs on the palm rest and ease
the keyboard up until it clears off the palm rest.
CAUTION: Be extremely careful when removing and handling the keyboard.
Failure to do so could result in scratching the display panel.
1
2
3
4
1 tabs (4) 2 plastic scribe
3 keyboard 4 palm rest
16 | Keyboard
3 Carefully turn the keyboard over and place it on the palm rest.
4 Lift the connector latch and pull the pull-tab to disconnect the
keyboard cable from the system-board connector.
5 Lift the keyboard away from the computer.
2
1
3
1 keyboard cable 2 connector latch
3 tabs (6)
Keyboard |
17
Replacing the Keyboard
Procedure
1 Slide the keyboard cable into the system-board connector and press down on the
connector latch to secure the cable.
2 Slide the tabs at the bottom of the keyboard into the slots on the palm rest and
place the keyboard on the palm rest.
3 Gently press around the edges of the keyboard to secure the keyboard under the
4 Close the display and turn the computer over.
tabs on the palm rest.
Postrequisites
1 Replace the battery. See "Replacing the Battery" on page 13.
2 Follow the instructions in "After Working Inside Your Computer" on page 11.
18 | Keyboard
Base Cover
6
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in
"Before You Begin" on page 7. For additional safety best practices information,
see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
Removing the Base Cover
Prerequisites
Remove the battery. See "Removing the Battery" on page 13.
Procedure
1 Loosen the captive screws that secure the base cover to the computer base.
2 Using your fingertips, pry the base cover from the computer base.
3 Lift the base cover off the computer base.
1
1 captive screws (2) 2 base cover
2
Base Cover |
19
Replacing the Base Cover
Procedure
1 Slide the tabs on the base cover into the slots on the computer base and snap the
base cover into place.
2 Tighten the captive screws that secure the base cover to the
computer base.
Postrequisites
1 Replace the battery. See "Replacing the Battery" on page 13.
2 Follow the instructions in "After Working Inside Your Computer" on page 11.
20 | Base Cover
Memory Module(s)
7
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in
"Before You Begin" on page 7. For additional safety best practices information,
see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
Removing the Memory Module(s)
Prerequisites
1 Remove the battery. See "Removing the Battery" on page 13.
2 Remove the base cover. See "Removing the Base Cover" on page 19.
Procedure
CAUTION: To prevent damage to the memory-module connector, do not use
tools to spread the memory-module securing clips.
1 Use your fingertips to carefully spread apart the securing clips on each end of the
memory-module connector until the memory module pops up.
2 Remove the memory module from the memory-module connector.
1
3
2
1 memory-module connector 2 securing clips (2)
memory module
3
Memory Module(s) |
21
Replacing the Memory Module(s)
Procedure
CAUTION: If you need to install memory modules in two connectors, install a
memory module in the connector labeled "DIMM A" before you install a memory
module in the connector labeled "DIMM B."
1 Align the notch on the memory module with the tab on the memory-module
connector.
2 Slide the memory module firmly into the connector at a 45-degree angle, and press
the memory module down until it clicks into place. If you do not hear the click,
remove the memory module and reinstall it.
NOTE: If the memory module is not installed properly, the computer may not
boot.
2
1
1 tab 2 notch
Postrequisites
1 Replace the base cover. See "Replacing the Base Cover" on page 20.
2 Replace the battery. See "Replacing the Battery" on page 13.
3 Follow the instructions in "After Working Inside Your Computer" on page 11.
4 Turn on your computer.
22 | Memory Module(s)
Hard Drive(s)
8
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in
"Before You Begin" on page 7. For additional safety best practices information,
see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
CAUTION: To avoid data loss, do not remove the hard drive while the computer is
On or in Sleep state.
CAUTION: Hard drives are extremely fragile. Exercise care when handling the
hard drive.
Removing the Hard Drive(s)
Prerequisites
1 Remove the battery. See "Removing the Battery" on page 13.
2 Remove the base cover. See "Removing the Base Cover" on page 19.
Hard Drive(s) |
23
Procedure
1 Remove the screws that secure the hard-drive assembly to the
computer base.
2 Slide the hard-drive assembly toward the side of the computer to disconnect it
from the system-board connector.
3 Lift the hard-drive assembly off the computer base.
Inspiron 17R-7720
1
1 screws (4) 2 hard-drive assembly
2
Inspiron 17R-5720/Inspiron 17R-7720
1 screws (4) 2 hard-drive assembly
24 | Hard Drive(s)
1
2
4 Remove the screws that secure the hard-drive bracket to the hard drive.
1
2
3
5 Lift the hard-drive bracket off the hard drive.
Inspiron 17R-7720
3
2
1
1 screws (4) 2 hard drive
hard-drive bracket
3
Inspiron 17R-5720/Inspiron 17R-7720
1 screws (4) 2 hard drive
3
hard-drive bracket
Hard Drive(s) |
25
Replacing the Hard Drive(s)
Procedure
1 Remove the new hard drive from its packaging.
Save the original packaging for storing or shipping the hard drive.
2 Align the screw holes on the hard drive-bracket with the screw holes on the hard
drive.
3 Replace the screws that secure the hard-drive bracket to the hard drive.
4 Place the hard-drive assembly on the computer base.
5 Slide the hard-drive assembly to connect it to the system-board connector.
6 Replace the screws that secure the hard-drive assembly to the
computer base.
Postrequisites
1 Replace the base cover. See "Replacing the Base Cover" on page 20.
2 Replace the battery. See "Replacing the Battery" on page 13.
3 Follow the instructions in "After Working Inside Your Computer" on page 11.
26 | Hard Drive(s)
Optical Drive
9
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in
"Before You Begin" on page 7. For additional safety best practices information,
see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
Removing the Optical Drive
Prerequisites
1 Remove the battery. See "Removing the Battery" on page 13.
2 Remove the base cover. See "Removing the Base Cover" on page 19.
Procedure
1 Remove the screw that secures the optical-drive assembly to the
computer base.
2 Using your fingertips, slide the optical-drive assembly out of the optical-drive bay.
2
1
1 optical-drive assembly 2 screw
Optical Drive |
27
3 Carefully pry the optical-drive bezel and remove it from the
optical-drive assembly.
4 Remove the screws that secure the optical-drive bracket to the
optical drive.
5 Remove the optical-drive bracket.
3
2
1
1 optical-drive bezel 2 optical drive
3 optical-drive bracket 4 screws (2)
4
28 | Optical Drive
Replacing the Optical Drive
Procedure
1 Align the screw holes on the optical-drive bracket with the screw holes on the
optical drive.
2 Replace the screws that secure the optical-drive bracket to the
optical drive.
3 Align the tabs on the optical-drive bezel with the slots on the
optical-drive assembly and snap the optical-drive bezel into place.
4 Slide the optical-drive assembly into the optical-drive bay until it is
fully seated.
5 Replace the screw that secures the optical-drive assembly to the
computer base.
Postrequisites
1 Replace the base cover. See "Replacing the Base Cover" on page 20.
2 Replace the battery. See "Replacing the Battery" on page 13.
3 Follow the instructions in "After Working Inside Your Computer" on page 11.
Optical Drive |
29
30 | Optical Drive
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