Dell Inspiron 15 7547 User Manual

Inspiron 15
7000 Series
Service Manual
Computer Model: Inspiron 7547 Regulatory Model: P41F Regulatory Type: P41F001
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 © 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 - 08
Rev. A00
Contents
Before Working Inside Your Computer................................... 7
Before You Begin .............................................................................................. 7
Safety Instructions..............................................................................................7
Recommended Tools........................................................................................ 8
After Working Inside Your Computer......................................9
Removing the Base Cover........................................................10
Procedure.........................................................................................................10
Replacing the Base Cover.........................................................11
Procedure......................................................................................................... 11
Removing the Battery............................................................... 12
Prerequisites.....................................................................................................12
Procedure.........................................................................................................12
Replacing the Battery............................................................... 14
Procedure.........................................................................................................14
Post-requisites................................................................................................. 14
Removing the Hard Drive.........................................................15
Prerequisites..................................................................................................... 15
Procedure.........................................................................................................15
Replacing the Hard Drive......................................................... 17
Procedure......................................................................................................... 17
Post-requisites..................................................................................................17
Removing the Memory Module(s).......................................... 18
Prerequisites.....................................................................................................18
Procedure.........................................................................................................18
Replacing the Memory Module(s).......................................... 20
Procedure........................................................................................................ 20
Post-requisites................................................................................................. 21
Removing the Wireless Card................................................... 22
Prerequisites.....................................................................................................22
Procedure.........................................................................................................22
Replacing the Wireless Card................................................... 24
Procedure........................................................................................................ 24
Post-requisites.................................................................................................24
Removing the Coin-Cell Battery............................................ 25
Prerequisites.....................................................................................................25
Procedure.........................................................................................................25
Replacing the Coin-Cell Battery.............................................27
Procedure.........................................................................................................27
Post-requisites................................................................................................. 27
Removing the Power-Adapter Port....................................... 28
Prerequisites.................................................................................................... 28
Procedure........................................................................................................ 28
Replacing the Power-Adapter Port........................................30
Procedure........................................................................................................ 30
Post-requisites.................................................................................................30
Removing the Power-Status Light Board............................. 31
Prerequisites..................................................................................................... 31
Procedure.........................................................................................................31
Replacing the Power-Status Light Board..............................33
Procedure.........................................................................................................33
Post-requisites................................................................................................. 33
Removing the Processor Fan.................................................. 34
Prerequisites.....................................................................................................34
Procedure........................................................................................................ 34
Replacing the Processor Fan...................................................36
Procedure........................................................................................................ 36
Post-requisites.................................................................................................36
Removing the Video-Card Fan................................................37
Prerequisites.....................................................................................................37
Procedure.........................................................................................................37
Replacing the Video-Card Fan................................................40
Procedure........................................................................................................ 40
Post-requisites.................................................................................................40
Removing the Heat Sink...........................................................41
Prerequisites.....................................................................................................41
Procedure........................................................................................................ 42
Replacing the Heat Sink...........................................................43
Procedure........................................................................................................ 43
Post-requisites.................................................................................................43
Removing the Speakers........................................................... 44
Prerequisites.................................................................................................... 44
Procedure........................................................................................................ 44
Replacing the Speakers............................................................46
Procedure........................................................................................................ 46
Post-requisites.................................................................................................46
Removing the Display Assembly.............................................47
Prerequisites.....................................................................................................47
Procedure.........................................................................................................47
Replacing the Display Assembly.............................................50
Procedure........................................................................................................ 50
Post-requisites.................................................................................................50
Removing the System Board................................................... 51
Prerequisites..................................................................................................... 51
Procedure.........................................................................................................52
Replacing the System Board................................................... 54
Procedure........................................................................................................ 54
Post-requisites.................................................................................................54
Removing the Palmrest and Keyboard..................................55
Procedure.........................................................................................................55
Procedure.........................................................................................................55
Replacing the Palmrest and Keyboard.................................. 58
Procedure........................................................................................................ 58
Post-requisites.................................................................................................58
Flashing the BIOS...................................................................... 59

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.
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.
7
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: 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, 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:
Philips screwdriver
Plastic scribe
8

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.
9

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.

Procedure

1 Close the display and turn the computer over. 2 Loosen the captive screws that secure the base cover to the palm-rest
assembly.
3 Remove the screws that secure the base cover to the palm-rest
assembly.
4 Using a plastic scribe, pry the base cover from the palm-rest assembly. 5 Lift the base cover off the computer.
10
1 screws (6) 2 base cover
3 captive screws (4) 4 plastic scribe

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 Align the tabs on the base cover with the slots on the palm-rest assembly
and snap the base cover into place.
2 Replace the screws that secure the base cover to the palm-rest assembly. 3 Tighten the captive screws that secure the base cover to the palm-rest
assembly.
11

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.

Prerequisites

Remove the base cover.

Procedure

1 Remove the screws that secure the battery to the palm-rest assembly. 2 Turn the battery over.
12
1 screws (5) 2 battery
3 Disconnect the battery cable from the battery.
1 battery cable 2 battery
4 Turn the computer over, open the display, and press the power button
for five seconds to ground the system board.
13

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 Connect the battery cable to the battery. 2 Turn the battery over and align the screw holes on the battery with the
screw holes on the palm-rest assembly.
3 Replace the screws that secure the battery to the palm-rest assembly.

Post-requisites

Replace the base cover.
14

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 base cover. 2 Remove the battery.

Procedure

1 Remove the screws that secure the hard-drive assembly to the palm-rest
assembly.
15
2 Slide and lift the hard-drive assembly off the palm-rest assembly.
1 screws (4) 2 hard-drive assembly
3 Remove the screws that secure the hard-drive bracket to the hard-drive. 4 Lift the hard-drive bracket off the hard drive.
16
1 hard-drive bracket 2 screws (4)
3 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 Align the screw holes on the hard-drive bracket with the screw holes on
the hard drive.
2 Replace the screws that secure the hard-drive bracket to the hard-drive. 3 Slide the hard-drive assembly into the slot on the palm-rest assembly. 4 Replace the screws that secure the hard-drive assembly to the palm-rest
assembly.

Post-requisites

1 Replace the battery. 2 Replace the base cover.
17

Removing the Memory Module(s)

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 base cover. 2 Remove the battery.

Procedure

1 Peel off the mylar tape from the memory modules.
1 mylar tape
2 Use your fingertips to carefully spread apart the securing clips on each
end of the memory-module slot until the memory module pops up.
18
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