Dell Inspiron 7547 Bedienungsanleitung

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.

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