Dell Inspiron 15-5551 User manual

Inspiron 15
5000 Series
Service Manual
Computer Model: Inspiron 15–5551
Regulatory Model: P51F
Regulatory Type: P51F003

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 - 03
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 optical drive......................................................16
Prerequisites.....................................................................................................16
Procedure.........................................................................................................16
Replacing the optical drive......................................................19
Procedure.........................................................................................................19
Post-requisites................................................................................................. 19
Removing the base cover........................................................ 20
Prerequisites.................................................................................................... 20
Procedure........................................................................................................ 20
Replacing the base cover......................................................... 21
Procedure.........................................................................................................21
Post-requisites................................................................................................. 21
3

Removing the memory modules............................................ 22
Prerequisites.....................................................................................................22
Procedure.........................................................................................................22
Replacing the memory modules............................................ 24
Procedure........................................................................................................ 24
Post-requisites................................................................................................. 25
Removing the hard drive..........................................................26
Prerequisites.....................................................................................................26
Procedure........................................................................................................ 26
Replacing the hard drive..........................................................30
Procedure........................................................................................................ 30
Post-requisites.................................................................................................30
Removing the wireless card.....................................................31
Prerequisites..................................................................................................... 31
Procedure.........................................................................................................31
Replacing the wireless card.....................................................33
Procedure.........................................................................................................33
Post-requisites................................................................................................. 33
Removing the coin-cell battery..............................................34
Prerequisites.....................................................................................................34
Procedure........................................................................................................ 34
Replacing the coin-cell battery.............................................. 36
Procedure........................................................................................................ 36
Post-requisites.................................................................................................36
4

Removing the keyboard........................................................... 37
Prerequisites.....................................................................................................37
Procedure.........................................................................................................37
Replacing the keyboard...........................................................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 optical-drive interposer.................................47
Prerequisites.....................................................................................................47
Procedure.........................................................................................................47
Replacing the optical-drive interposer.................................49
Procedure........................................................................................................ 49
Post-requisites.................................................................................................49
Removing the speakers............................................................50
Prerequisites.................................................................................................... 50
Procedure........................................................................................................ 50
Replacing the speakers.............................................................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 power-button module...................................60
Prerequisites.................................................................................................... 60
Procedure........................................................................................................ 60
Replacing the power-button module................................... 63
Procedure........................................................................................................ 63
Post-requisites.................................................................................................63
Removing the system board................................................... 64
Prerequisites.................................................................................................... 64
Procedure........................................................................................................ 64
Replacing the system board....................................................69
Procedure........................................................................................................ 69
Post-requisites.................................................................................................69
6

Removing the display assembly..............................................71
Prerequisites..................................................................................................... 71
Procedure......................................................................................................... 71
Replacing the display assembly..............................................74
Procedure.........................................................................................................74
Post-requisites................................................................................................. 74
Removing the display bezel.....................................................75
Prerequisites.....................................................................................................75
Procedure.........................................................................................................75
Replacing the display bezel..................................................... 77
Procedure.........................................................................................................77
Post-requisites................................................................................................. 77
Removing the display panel.................................................... 78
Prerequisites.....................................................................................................78
Procedure.........................................................................................................78
Replacing the display panel.....................................................81
Procedure.........................................................................................................81
Post-requisites................................................................................................. 81
Removing the display hinges.................................................. 82
Prerequisites.................................................................................................... 82
Procedure........................................................................................................ 82
Replacing the display hinges.................................................. 84
Procedure........................................................................................................ 84
Post-requisites.................................................................................................84
7

Removing the display cable.................................................... 85
Prerequisites.....................................................................................................85
Procedure........................................................................................................ 85
Replacing the display cable.....................................................87
Procedure.........................................................................................................87
Post-requisites................................................................................................. 87
Removing the display back-cover and antenna
assembly..................................................................................... 88
Prerequisites.................................................................................................... 88
Procedure........................................................................................................ 88
Replacing the display back-cover and antenna
assembly..................................................................................... 90
Procedure........................................................................................................ 90
Post-requisites.................................................................................................90
Removing the camera...............................................................91
Prerequisites.....................................................................................................91
Procedure.........................................................................................................91
Replacing the camera...............................................................93
Procedure........................................................................................................ 93
Post-requisites.................................................................................................93
Removing the power-adapter port........................................94
Prerequisites.................................................................................................... 94
Procedure........................................................................................................ 94
Replacing the power-adapter port........................................96
Procedure........................................................................................................ 96
Post-requisites.................................................................................................96
8

Removing the palm-rest assembly.........................................97
Prerequisites.....................................................................................................97
Procedure.........................................................................................................97
Replacing the palm-rest assembly.........................................99
Procedure........................................................................................................ 99
Post-requisites.................................................................................................99
Flashing the BIOS.................................................................... 100
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.
7 After the computer is unplugged, press and hold the power button for 5
seconds to ground the system board.
Safety instructions
Use the following safety guidelines to protect your computer from potential
damage and ensure your personal safety.
10