Dell Inspiron 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 product.

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.

trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

2017 - 09

Rev. A01

Contents

Before working inside your computer.............................8

Before you begin ...................................................................................... 8

Safety instructions.................................................................................... 8

Recommended tools..................................................................................9

After working inside your computer..............................10

Removing the base cover..............................................11

Procedure.................................................................................................11

Replacing the base cover..............................................13

Procedure................................................................................................ 13

Removing the battery................................................... 14

Prerequisites............................................................................................ 14

Procedure................................................................................................ 14

Replacing the battery...................................................16

Procedure................................................................................................16

Post-requisites......................................................................................... 16

Removing the hard drive...............................................17

Prerequisites............................................................................................ 17

Procedure................................................................................................ 17

Replacing the hard drive...............................................19

Procedure................................................................................................19

Post-requisites......................................................................................... 19

Removing the memory modules...................................20

Prerequisites........................................................................................... 20

Procedure............................................................................................... 20

Replacing the memory modules................................... 22

Procedure................................................................................................22

Post-requisites........................................................................................ 23

Removing the wireless card..........................................24

Prerequisites............................................................................................24

Procedure................................................................................................24

Replacing the wireless card..........................................26

Procedure............................................................................................... 26

Post-requisites.........................................................................................27

Removing the coin-cell battery.................................... 28

Prerequisites............................................................................................28

Procedure................................................................................................28

Replacing the coin-cell battery.................................... 30

Procedure............................................................................................... 30

Post-requisites........................................................................................ 30

Removing the power-adapter port................................31

Prerequisites............................................................................................ 31

Procedure................................................................................................ 31

Replacing the power-adapter port............................... 33

Procedure................................................................................................33

Post-requisites........................................................................................ 33

Removing the power-status light board....................... 34

Prerequisites............................................................................................34

Procedure................................................................................................34

Replacing the power-status light board........................36

Procedure............................................................................................... 36

Post-requisites........................................................................................ 36

Removing the processor fan.........................................37

Prerequisites............................................................................................37

Procedure................................................................................................37

Replacing the processor fan.........................................40

Procedure............................................................................................... 40

Post-requisites........................................................................................ 40

Removing the video-card fan........................................41

Prerequisites............................................................................................ 41

Procedure................................................................................................ 41

Replacing the video-card fan....................................... 44

Procedure................................................................................................44

Post-requisites........................................................................................ 44

Removing the heat sink................................................45

Prerequisites........................................................................................... 45

Procedure............................................................................................... 46

Replacing the heat sink................................................48

Procedure............................................................................................... 48

Post-requisites........................................................................................ 48

Removing the speakers................................................49

Prerequisites........................................................................................... 49

Procedure............................................................................................... 49

Replacing the speakers.................................................51

Procedure................................................................................................ 51

Post-requisites......................................................................................... 51

Removing the display assembly....................................52

Prerequisites........................................................................................... 52

Procedure............................................................................................... 52

Replacing the display assembly....................................55

Procedure............................................................................................... 55

Post-requisites........................................................................................ 55

Removing the system board.........................................56

Prerequisites........................................................................................... 56

Procedure................................................................................................57

Replacing the system board.........................................59

Procedure............................................................................................... 59

Post-requisites........................................................................................ 59

Removing the palm rest and keyboard assembly..........60

Procedure............................................................................................... 60

Replacing the palm rest and keyboard assembly.......... 63

Procedure............................................................................................... 63

Post-requisites........................................................................................ 63

Flashing the BIOS........................................................ 64

Before working inside your computer

NOTE: The images in this document may dier from your computer depending on the conguration you ordered.

Before you begin

1 Save and close all open les and exit all open applications.

2 Shut down your computer.

The shut-down instruction varies depending on the operating system installed on your computer.

– Windows 10: Click Start → Power → Shut down.

– Windows 8.1: On the Start screen, Click the power icon → Shut down.

– Windows 7: Click Start → Shut down.

NOTE: If you are using a dierent 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 attached network devices and peripherals, such as keyboard,

mouse, and monitor, from your computer.

5 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 www.dell.com/

regulatory_compliance.

WARNING: Disconnect all power sources before opening the computer cover or panels. After you nish working inside the computer, replace all covers, panels, and screws before connecting to the electrical outlet.

CAUTION: To avoid damaging the computer, ensure that the work surface is at 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 www.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, ensure that the ports and connectors are correctly oriented and aligned.

CAUTION: Press and eject any installed card from the media-card reader.

Recommended tools

The procedures in this document may require the following tools:

• Phillips screwdriver #1

• Plastic scribe

After working inside your computer

CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer.

1 Replace all screws and ensure that no stray screws remain inside your computer.

2 Connect any external devices, peripherals, or cables you removed before working

on your computer.

3 Replace any media cards, discs, or any other parts 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.

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

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.

www.dell.com/

5 Lift the base cover o the computer.

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

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.

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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

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.

www.dell.com/

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 ve

seconds to ground the system board.

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

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.

www.dell.com/

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

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.

www.dell.com/

2 Slide and lift the hard-drive assembly o 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 o the hard drive.

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

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

www.dell.com/

1 Replace the battery.

2 Replace the base cover.

Removing the memory modules

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

regulatory_compliance.

Prerequisites

1 Remove the base cover.

2 Remove the battery.

Procedure

1 Peel o the mylar tape from the memory modules.

www.dell.com/

1 mylar tape

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