Dell W21C Bedienungsanleitung

Inspiron 24 3000 All-in-One

Service Manual

Computer Model: Inspiron 24-3477

Regulatory Model: W21C

Regulatory Type: W21C001

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

respective owners.

2018 - 01

Rev. A00

Contents

Before working inside your computer........................... 10

Before you begin .....................................................................................10

Safety instructions...................................................................................10

Recommended tools................................................................................. 11

Screw list................................................................................................. 12

After working inside your computer.............................. 14

Removing the stand......................................................15

Easel Stand..............................................................................................15

Pedestal stand......................................................................................... 16

Replacing the stand......................................................18

Easel stand...............................................................................................18

Pedestal stand......................................................................................... 18

Removing the back cover............................................. 19

Prerequisite..............................................................................................19

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

Replacing the back cover............................................. 21

Procedure................................................................................................ 21

Post-requisite...........................................................................................21

Removing the hard drive.............................................. 22

Prerequisites............................................................................................22

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

Replacing the hard drive.............................................. 24

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

Post-requisites........................................................................................ 24

Removing the system-board shield.............................. 25

Prerequisites........................................................................................... 25

Procedure............................................................................................... 25

Replacing the system-board shield...............................27

Procedure................................................................................................27

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

Removing the memory module.....................................28

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

Procedure............................................................................................... 29

Replacing the memory module.....................................30

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

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

Removing the wireless card.......................................... 31

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

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

Replacing the wireless card..........................................34

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

Post-requisites........................................................................................ 35

Removing the antenna................................................. 36

Prerequisites........................................................................................... 36

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

Replacing the antenna................................................. 38

Procedure............................................................................................... 38

Post-requisites........................................................................................ 38

Removing the solid-state drive/Intel Optane................39

Prerequisites........................................................................................... 39

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

Replacing the solid-state drive/ Intel Optane................41

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

Post-requisites........................................................................................ 42

Removing the media-card reader................................. 43

Prerequisites............................................................................................43

Procedure................................................................................................43

Replacing the media-card reader................................. 45

Procedure............................................................................................... 45

Post-requisites........................................................................................ 45

Removing the power-button board.............................. 46

Prerequisites........................................................................................... 46

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

Replacing the power-button board...............................48

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

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

Removing the microphone........................................... 49

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

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

Replacing the microphone............................................ 51

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

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

Removing the camera.................................................. 52

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

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

Replacing the camera.................................................. 55

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

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

Removing the coin-cell battery.................................... 56

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

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

Replacing the coin-cell battery.................................... 58

Procedure............................................................................................... 58

Post-requisites........................................................................................ 58

Removing the fan.........................................................59

Prerequisites........................................................................................... 59

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

Replacing the fan......................................................... 61

Procedure................................................................................................ 61

Post-requisites......................................................................................... 61

Removing the heat sink................................................62

Prerequisites........................................................................................... 62

Procedure............................................................................................... 62

Replacing the heat sink................................................64

Procedure............................................................................................... 64

Post-requisites........................................................................................ 64

Removing the speakers................................................65

Prerequisites........................................................................................... 65

Procedure............................................................................................... 65

Replacing the speakers................................................ 67

Procedure................................................................................................67

Post-requisites........................................................................................ 67

Removing the system board.........................................68

Prerequisites........................................................................................... 68

Procedure............................................................................................... 68

Replacing the system board..........................................71

Procedure................................................................................................ 71

Post-requisites........................................................................................ 72

Flashing the BIOS....................................................................................72

Removing the display panel..........................................73

Prerequisites............................................................................................73

Procedure................................................................................................73

Replacing the display panel.......................................... 77

Procedure................................................................................................77

Post-requisites......................................................................................... 81

Removing the rubber feet............................................ 82

Prerequisites............................................................................................82

Procedure................................................................................................82

Replacing the rubber feet............................................ 84

Procedure............................................................................................... 84

Post-requisites........................................................................................ 84

Removing the middle frame......................................... 85

Prerequisites........................................................................................... 85

Procedure............................................................................................... 86

Replacing the middle frame......................................... 89

Procedure............................................................................................... 89

Post-requisites........................................................................................ 89

Downloading drivers..................................................... 91

Downloading the audio driver...................................................................91

Downloading the graphics driver............................................................. 92

Downloading the USB driver................................................................... 92

Downloading the chipset driver............................................................... 93

Downloading the network driver............................................................. 94

System setup...............................................................96

Boot Sequence....................................................................................... 96

Navigation keys.......................................................................................96

BIOS overview.........................................................................................97

Entering BIOS setup program..................................................................97

System Setup Options............................................................................ 98

Flashing the BIOS.................................................................................. 103

Troubleshooting..........................................................105

Flashing the BIOS..................................................................................105

Reinstall Windows using a USB recovery drive...................................... 105

Enhanced Pre-Boot System Assessment (ePSA) diagnostics................106

Running the ePSA diagnostics......................................................... 107

Display built-in self test.......................................................................... 107

Diagnostics............................................................................................ 107

Flea power release.................................................................................109

Wi-Fi power cycle..................................................................................109

Getting help and contacting Dell................................. 110

Self-help resources.................................................................................110

Contacting Dell........................................................................................111

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. Click Start → Power → 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.

6 After the computer is unplugged, press and hold the power button for 5 seconds

to ground the system board.

CAUTION: Place the computer on a at, soft, and clean surface to

avoid scratches on the display.

7 Place the computer face down.

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.

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