Dell Inspiron 17 5755 User manual

Inspiron 17
5000 Series
Service Manual
Computer Model: Inspiron 17–5755
Regulatory Model: P28E
Regulatory Type: P28E002

Notes, cautions, and warnings
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.
Copyright ©2015 Dell Inc. All rights reserved. This product is protected by U.S. and
international copyright and intellectual property laws. Dell™and the Dell logo are trademarks
of Dell Inc. in the United States and/or other jurisdictions. All other marks and names
mentioned herein may be trademarks of their respective companies.
2015–04
Rev. A00

Contents
Before working inside your computer.................................. 10
Before you begin .............................................................................................10
Safety instructions............................................................................................10
Recommended tools........................................................................................11
After working inside your computer......................................13
Removing the battery............................................................... 14
Procedure.........................................................................................................14
Replacing the battery................................................................15
Procedure.........................................................................................................15
Removing the base cover.........................................................16
Prerequisites.....................................................................................................16
Procedure.........................................................................................................16
Replacing the base cover.........................................................18
Procedure.........................................................................................................18
Post-requisites................................................................................................. 18
Removing the hard drive..........................................................19
Prerequisites.....................................................................................................19
Procedure.........................................................................................................19
Replacing the hard drive..........................................................22
Procedure.........................................................................................................22
Post-requisites................................................................................................. 22
3

Removing the memory modules............................................ 23
Prerequisites.....................................................................................................23
Procedure.........................................................................................................23
Replacing the memory modules.............................................25
Procedure.........................................................................................................25
Post-requisites.................................................................................................26
Removing the wireless card.....................................................27
Prerequisites.....................................................................................................27
Procedure.........................................................................................................27
Replacing the wireless card.....................................................29
Procedure........................................................................................................ 29
Post-requisites.................................................................................................29
Removing the coin-cell battery..............................................30
Prerequisites.................................................................................................... 30
Procedure........................................................................................................ 30
Replacing the coin-cell battery.............................................. 32
Procedure.........................................................................................................32
Post-requisites................................................................................................. 32
Removing the keyboard...........................................................33
Prerequisites.....................................................................................................33
Procedure.........................................................................................................33
Replacing the keyboard........................................................... 36
Procedure........................................................................................................ 36
Post-requisites.................................................................................................36
4

Removing the optical drive......................................................37
Prerequisites.....................................................................................................37
Procedure.........................................................................................................37
Replacing the optical drive..................................................... 40
Procedure........................................................................................................ 40
Post-requisites.................................................................................................40
Removing the computer base.................................................41
Prerequisites.....................................................................................................41
Procedure.........................................................................................................41
Replacing the computer base.................................................46
Procedure........................................................................................................ 46
Post-requisites.................................................................................................46
Removing the speakers............................................................ 47
Prerequisites.....................................................................................................47
Procedure.........................................................................................................47
Replacing the speakers............................................................ 49
Procedure........................................................................................................ 49
Post-requisites.................................................................................................49
Removing the optical-drive interposer.................................50
Prerequisites.................................................................................................... 50
Procedure........................................................................................................ 50
Replacing the optical-drive interposer................................. 52
Procedure.........................................................................................................52
Post-requisites................................................................................................. 52
5

Removing the I/O board.......................................................... 53
Prerequisites.....................................................................................................53
Procedure.........................................................................................................53
Replacing the I/O board...........................................................55
Procedure.........................................................................................................55
Post-requisites................................................................................................. 55
Removing the heat-sink assembly......................................... 56
Prerequisites.....................................................................................................56
Procedure........................................................................................................ 56
Replacing the heat-sink assembly......................................... 58
Procedure........................................................................................................ 58
Post-requisites.................................................................................................58
Removing the system board................................................... 60
Prerequisites.................................................................................................... 60
Procedure.........................................................................................................61
Replacing the system board....................................................65
Procedure........................................................................................................ 65
Post-requisites.................................................................................................66
Removing the battery-connector board...............................67
Prerequisites.....................................................................................................67
Procedure.........................................................................................................67
Replacing the battery-connector board...............................69
Procedure........................................................................................................ 69
Post-requisites.................................................................................................69
6

Removing the power-adapter port........................................70
Prerequisites.....................................................................................................70
Procedure........................................................................................................ 70
Replacing the power-adapter port........................................ 72
Procedure.........................................................................................................72
Post-requisites................................................................................................. 72
Removing the display assembly..............................................73
Prerequisites.....................................................................................................73
Procedure.........................................................................................................73
Replacing the display assembly..............................................76
Procedure.........................................................................................................76
Post-requisites................................................................................................. 76
Removing the power-button board...................................... 78
Prerequisites.....................................................................................................78
Procedure.........................................................................................................78
Replacing the power-button board...................................... 80
Procedure........................................................................................................ 80
Post-requisites.................................................................................................80
Removing the palm-rest assembly........................................ 82
Prerequisites.................................................................................................... 82
Procedure........................................................................................................ 82
Replacing the palm-rest assembly.........................................84
Procedure........................................................................................................ 84
Post-requisites.................................................................................................84
7

Removing the display bezel.................................................... 85
Prerequisites.....................................................................................................85
Procedure........................................................................................................ 85
Replacing the display bezel.....................................................87
Procedure.........................................................................................................87
Post-requisites................................................................................................. 87
Removing the display panel.................................................... 88
Prerequisites.................................................................................................... 88
Procedure........................................................................................................ 88
Replacing the display panel.....................................................92
Procedure........................................................................................................ 92
Post-requisites.................................................................................................92
Removing the display hinges.................................................. 94
Prerequisites.................................................................................................... 94
Procedure........................................................................................................ 94
Replacing the display hinges.................................................. 96
Procedure........................................................................................................ 96
Post-requisites.................................................................................................96
Removing the camera...............................................................97
Prerequisites.....................................................................................................97
Procedure.........................................................................................................97
Replacing the camera...............................................................99
Procedure........................................................................................................ 99
Post-requisites.................................................................................................99
8

Removing the display cable.................................................. 100
Prerequisites.................................................................................................. 100
Procedure...................................................................................................... 100
Replacing the display cable...................................................102
Procedure...................................................................................................... 102
Post-requisites...............................................................................................102
Removing the display back-cover and antenna
assembly....................................................................................103
Prerequisites...................................................................................................103
Procedure...................................................................................................... 104
Replacing the display back-cover and antenna
assembly....................................................................................105
Procedure...................................................................................................... 105
Post-requisites...............................................................................................105
Flashing the BIOS.................................................................... 106
Getting help and contacting Dell.........................................107
Self-help resources........................................................................................107
Contacting Dell..............................................................................................107
9

Before working inside your
computer
CAUTION: To avoid damaging the components and cards, handle
them by their edges and avoid touching pins and contacts.
NOTE: The images in this document may differ from your computer
depending on the configuration you ordered.
Before you begin
1 Save and close all open files and exit all open applications.
2 Shut down your computer.
– Windows 8.1: On the Start screen, click or tap the power icon →
Shut down.
– Windows 7: Click or tap Start → Shut down.
NOTE: If you are using a different operating system, see the
documentation of your operating system for shut-down
instructions.
3 Disconnect your computer and all attached devices from their electrical
outlets.
4 Disconnect all cables such as telephone cables, network cables and so
on, from your computer.
5 Disconnect all attached devices and peripherals, such as keyboard,
mouse, monitor, and so on, from your computer.
6 Remove any media card and optical disc from your computer, if
applicable.
Safety instructions
Use the following safety guidelines to protect your computer from potential
damage and ensure your personal safety.
10