Dell Inspiron 15-3542, Inspiron 15-3543, Inspiron 15-3541 User Manual

Inspiron 15
3000 Series
Service Manual
Computer Model: Inspiron 15–3541/Inspiron 15–3542/Inspiron 15–3543 Regulatory Model: P40F Regulatory Type: P40F001/P40F002
Notes, Cautions, and Warnings
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 © 2014 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.
2014 - 12
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........................................................ 17
Procedure......................................................................................................... 17
Post-requisites..................................................................................................17
Removing the Optical Drive.................................................... 18
Prerequisites.....................................................................................................18
Procedure.........................................................................................................18
Replacing the Optical Drive.................................................... 20
Procedure........................................................................................................ 20
Post-requisites.................................................................................................20
Removing the Hard Drive.........................................................21
Prerequisites.....................................................................................................21
Procedure.........................................................................................................21
Replacing the Hard Drive.........................................................23
Procedure.........................................................................................................23
Post-requisites................................................................................................. 23
Removing the Memory Module..............................................24
Prerequisites.....................................................................................................24
Procedure........................................................................................................ 24
Replacing the Memory Module.............................................. 26
Procedure........................................................................................................ 26
Post-requisites................................................................................................. 27
Removing the Wireless Card...................................................28
Prerequisites.................................................................................................... 28
Procedure........................................................................................................ 28
Replacing the Wireless Card................................................... 30
Procedure........................................................................................................ 30
Post-requisites.................................................................................................30
Removing the Keyboard...........................................................31
Prerequisites..................................................................................................... 31
Procedure.........................................................................................................31
Replacing the Keyboard...........................................................34
Procedure........................................................................................................ 34
Folding the Keyboard Cables.......................................................................... 34
Post-requisites.................................................................................................38
Removing the Palm Rest..........................................................39
Prerequisites.....................................................................................................39
Procedure........................................................................................................ 39
Replacing the Palm Rest.......................................................... 43
Procedure........................................................................................................ 43
Post-requisites.................................................................................................43
Removing the Power-Button Module...................................44
Prerequisites.................................................................................................... 44
Procedure........................................................................................................ 44
Replacing the Power-Button Module................................... 46
Procedure........................................................................................................ 46
Post-requisites.................................................................................................46
Removing the Touch Pad.........................................................47
Prerequisites.....................................................................................................47
Procedure.........................................................................................................47
Replacing the Touch Pad.........................................................50
Procedure........................................................................................................ 50
Post-requisites.................................................................................................50
Removing the Battery-Connector Board..............................51
Prerequisites..................................................................................................... 51
Procedure.........................................................................................................51
Replacing the Battery-Connector Board..............................53
Procedure.........................................................................................................53
Post-requisites................................................................................................. 53
Removing the I/O Board.......................................................... 54
Prerequisites.....................................................................................................54
Procedure........................................................................................................ 54
Replacing the I/O Board...........................................................56
Procedure........................................................................................................ 56
Post-requisites.................................................................................................56
Removing the Optical-Drive Connector Board................... 57
Prerequisites.....................................................................................................57
Procedure.........................................................................................................57
Replacing the Optical-Drive Connector Board...................60
Procedure........................................................................................................ 60
Post-requisites.................................................................................................60
Removing the Coin-Cell Battery.............................................61
Prerequisites.....................................................................................................61
Procedure.........................................................................................................61
Replacing the Coin-Cell Battery.............................................63
Procedure........................................................................................................ 63
Post-requisites.................................................................................................63
Removing the Power-Adapter Port....................................... 64
Prerequisites.................................................................................................... 64
Procedure........................................................................................................ 64
Replacing the Power-Adapter Port........................................66
Procedure........................................................................................................ 66
Post-requisites.................................................................................................66
Removing the Speakers............................................................67
Prerequisites.....................................................................................................67
Procedure.........................................................................................................67
Replacing the Speakers............................................................69
Procedure........................................................................................................ 69
Post-requisites.................................................................................................69
Removing the System Board................................................... 70
Prerequisites.....................................................................................................70
Procedure........................................................................................................ 70
Replacing the System Board....................................................73
Procedure.........................................................................................................73
Post-requisites................................................................................................. 73
Removing the Heat-Sink Assembly........................................75
Prerequisites.....................................................................................................75
Procedure.........................................................................................................75
Replacing the Heat-Sink Assembly........................................ 77
Procedure.........................................................................................................77
Post-requisites................................................................................................. 77
Removing the Display Assembly.............................................78
Prerequisites.....................................................................................................78
Procedure.........................................................................................................78
Replacing the Display Assembly.............................................82
Procedure........................................................................................................ 82
Post-requisites.................................................................................................82
Removing the Display Bezel....................................................84
Prerequisites.................................................................................................... 84
Procedure........................................................................................................ 84
Replacing the Display Bezel.................................................... 86
Procedure........................................................................................................ 86
Post-requisites.................................................................................................86
Removing the Display Panel....................................................87
Prerequisites.....................................................................................................87
Procedure.........................................................................................................87
Replacing the Display Panel....................................................90
Procedure........................................................................................................ 90
Post-requisites.................................................................................................90
Removing the Display Hinges................................................. 91
Prerequisites.....................................................................................................91
Procedure.........................................................................................................91
Replacing the Display Hinges..................................................93
Procedure........................................................................................................ 93
Post-requisites.................................................................................................93
Removing the Camera..............................................................94
Prerequisites.................................................................................................... 94
Procedure........................................................................................................ 94
Replacing the Camera.............................................................. 96
Procedure........................................................................................................ 96
Post-requisites.................................................................................................96
Flashing the BIOS...................................................................... 97
Getting Help and Contacting Dell......................................... 98
Self-Help Resources........................................................................................98
Contacting Dell................................................................................................98

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
WARNING: Before working inside your computer, read the safety information that shipped with your computer. For more safety best practices, see the Regulatory Compliance home page 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, and screws before connecting to the power source.
CAUTION: To avoid damaging the computer, make sure 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.
CAUTION: You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. See the safety instructions that shipped with the product or at dell.com/regulatory_compliance.
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, make sure that the ports and connectors 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 media-card reader.

Recommended Tools

The procedures in this document may require the following tools:
11
Philips screwdriver
Plastic scribe
12

After Working Inside Your Computer

CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer.
1 Replace all screws and make sure that no stray screws remain inside your
computer.
2 Connect any external devices, peripherals, and cables you removed
before working on your computer.
3 Replace any media cards, discs, and any other part(s) that you removed
before working on your computer.
4 Connect your computer and all attached devices to their electrical
outlets.
5 Turn on your computer.
13

Removing the Battery

WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in
Before Working Inside Your Computer. After working inside your
computer, follow the instructions in After Working Inside Your
Computer. For more safety best practices, see the Regulatory
Compliance home page at dell.com/regulatory_compliance.

Procedure

1 Close the display and turn the computer over. 2 Slide the battery-release latches to the unlock position.
1 battery 2 battery-release latches (2)
3 Using your fingertips, lift the battery at an angle and remove the battery
off the battery bay.
4 Turn the computer over and open the display as far as possible. 5 Press and hold the power button for 5 seconds after the computer is
unplugged to ground the system board.
14

Replacing the Battery

WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in
Before Working Inside Your Computer. After working inside your
computer, follow the instructions in After Working Inside Your
Computer. For more safety best practices, see the Regulatory
Compliance home page at dell.com/regulatory_compliance.

Procedure

1 Slide the tabs on the battery into the slots on the battery bay and snap
the battery into place.
NOTE: Make sure the battery-release latches are secured.
2 Turn the computer over and open the display as far as possible.
15

Removing the Base Cover

WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in
Before Working Inside Your Computer. After working inside your
computer, follow the instructions in After Working Inside Your
Computer. For more safety best practices, see the Regulatory
Compliance home page at dell.com/regulatory_compliance.

Prerequisites

Remove the battery.

Procedure

1 Remove the screw that secures the base cover to the computer base. 2 Slide the base cover to release the tabs on the base cover from the slots
on the computer base.
3 Lift the base cover out of the computer base.
16
1 screw 2 computer base
3 base cover

Replacing the Base Cover

WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in
Before Working Inside Your Computer. After working inside your
computer, follow the instructions in After Working Inside Your
Computer. For more safety best practices, see the Regulatory
Compliance home page at dell.com/regulatory_compliance.

Procedure

1 Slide the tabs on the base cover into the slots on the computer base and
snap the base cover into place.
2 Replace the screw that secures the base cover to the computer base.

Post-requisites

Replace the battery.
17

Removing the Optical Drive

WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in
Before Working Inside Your Computer. After working inside your
computer, follow the instructions in After Working Inside Your
Computer. For more safety best practices, see the Regulatory
Compliance home page at dell.com/regulatory_compliance.

Prerequisites

Remove the battery.

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.
1 screw 2 optical-drive assembly
3 Remove the screw that secures the optical-drive bracket to the optical-
drive assembly.
18
4 Remove the optical-drive bracket from the optical-drive assembly. 5 Carefully pry the optical-drive bezel and remove it from the optical drive.
1 optical-drive bezel 2 optical drive
3 optical-drive bracket 4 screw
19

Replacing the Optical Drive

WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in
Before Working Inside Your Computer. After working inside your
computer, follow the instructions in After Working Inside Your
Computer. For more safety best practices, see the Regulatory
Compliance home page at dell.com/regulatory_compliance.

Procedure

1 Align the tabs on the optical-drive bezel with the slots on the optical
drive and snap the optical-drive bezel into place.
2 Align the screw hole on the optical-drive bracket with the screw hole on
the optical-drive assembly.
3 Replace the screw that secures the optical-drive bracket to the optical-
drive assembly.
4 Slide the optical-drive assembly into the optical-drive bay and align the
screw hole on the optical-drive bracket with the screw hole on computer base.
5 Replace the screw that secures the optical-drive assembly to the
computer base.

Post-requisites

Replace the battery.
20

Removing the Hard Drive

WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in
Before Working Inside Your Computer. After working inside your
computer, follow the instructions in After Working Inside Your
Computer. For more safety best practices, see the Regulatory
Compliance home page at dell.com/regulatory_compliance.
CAUTION: Hard drives are fragile. Exercise care when handling the hard drive.
CAUTION: To avoid data loss, do not remove the hard drive while the computer is in sleep or on state.

Prerequisites

1 Remove the battery. 2 Remove the base cover.

Procedure

1 Remove the screw that secures the hard-drive assembly to the computer
base.
2 Using the pull tab, slide the hard-drive assembly to disconnect it from the
system board.
21
3 Lift the hard-drive assembly out of the computer base.
1 screw 2 pull tab
3 hard-drive assembly
4 Remove the screws that secure the hard-drive bracket to the hard drive. 5 Using the pull tab, lift the hard-drive bracket and peel the Mylar sheet off
the hard drive.
22
1 Mylar sheet 2 screws (2)
3 pull tab 4 hard-drive bracket
5 hard drive

Replacing the Hard Drive

WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in
Before Working Inside Your Computer. After working inside your
computer, follow the instructions in After Working Inside Your
Computer. For more safety best practices, see the Regulatory
Compliance home page at dell.com/regulatory_compliance.
CAUTION: Hard drives are fragile. Exercise care when handling the hard drive.

Procedure

1 Adhere the Mylar sheet to 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 secure the hard-drive connector with
the system-board connector.
6 Replace the screw that secures the hard-drive assembly to the computer
base.

Post-requisites

1 Replace the base cover. 2 Replace the battery.
23

Removing the Memory Module

WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in
Before Working Inside Your Computer. After working inside your
computer, follow the instructions in After Working Inside Your
Computer. For more safety best practices, see the Regulatory
Compliance home page at dell.com/regulatory_compliance.

Prerequisites

1 Remove the battery. 2 Remove the base cover.

Procedure

1 Using your fingertips, pry apart the securing clips on each end of the
memory-module slot until the memory module pops up.
24
2 Slide and remove the memory module from the memory-module slot.
1 memory module 2 securing clips (2)
3 memory-module slot
25

Replacing the Memory Module

WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in
Before Working Inside Your Computer. After working inside your
computer, follow the instructions in After Working Inside Your
Computer. For more safety best practices, see the Regulatory
Compliance home page at dell.com/regulatory_compliance.

Procedure

1 Align the notch on the memory module with the tab on the memory-
module slot.
26
2 Slide the memory module into the slot at an angle and press the memory
module down until it clicks into place.
NOTE: If you do not hear the click, remove the memory module and reinstall it.
1 memory module 2 securing clips (2)
3 notch 4 tab
5 memory-module slot

Post-requisites

1 Replace the base cover. 2 Replace the battery.
27

Removing the Wireless Card

WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in
Before Working Inside Your Computer. After working inside your
computer, follow the instructions in After Working Inside Your
Computer. For more safety best practices, see the Regulatory
Compliance home page at dell.com/regulatory_compliance.

Prerequisites

1 Remove the battery. 2 Remove the base cover.

Procedure

1 Disconnect the antenna cables from the wireless card. 2 Remove the screw that secures the wireless card to the computer base.
28
3 Slide the wireless card out of the wireless-card slot.
1 antenna cables (2) 2 wireless-card slot
3 wireless card 4 tab
5 notch 6 screw
29

Replacing the Wireless Card

WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in
Before Working Inside Your Computer. After working inside your
computer, follow the instructions in After Working Inside Your
Computer. For more safety best practices, see the Regulatory
Compliance home page at dell.com/regulatory_compliance.

Procedure

1 Align the notch on the wireless card with the tab on the wireless-card
slot.
2 Insert the wireless card at an angle into the slot. 3 Press the other end of the wireless card down and replace the screw that
secures the wireless card to the computer base.
4 Connect the antenna cables to the wireless card.
The following table provides the antenna cable color schemes for the wireless card supported by your computer.
Connectors on the wireless card Antenna-cable color
Main (white triangle) White
Auxiliary (black triangle) Black

Post-requisites

1 Replace the base cover. 2 Replace the battery.
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