Dell Inspiron 24 3464 User manual

Inspiron 24

3000

Service Manual

Computer Model: Inspiron 24–3464

Regulatory Model: W12C

Regulatory Type: W12C006

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.

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.

2016 - 09

Rev. A00

Contents

Before working inside your computer.....................................9

Before you begin ...............................................................................................9

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

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

Screw list...........................................................................................................11

After working inside your computer......................................13

Technical overview................................................................... 14

Inside view of your computer..........................................................................14

System-board components.............................................................................15

Removing the stand assembly.................................................17

Procedure to remove easel stand....................................................................17

Procedure to remove pedestal stand..............................................................18

Procedure to remove stand riser from stand base...................................20

Replacing the stand assembly.................................................22

Procedure to replace easel stand................................................................... 22

Procedure to replace pedestal stand..............................................................22

Procedure to replace stand riser to stand base........................................22

Removing the back cover........................................................ 23

Prerequisites.....................................................................................................23

Procedure.........................................................................................................23

Replacing the back cover.........................................................25

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

Post-requisites................................................................................................. 25

3

Removing the optical drive..................................................... 26

Prerequisites.....................................................................................................26

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

Replacing the optical drive......................................................29

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

Post-requisites.................................................................................................29

Removing the hard drive..........................................................30

Prerequisites.................................................................................................... 30

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

Replacing the hard drive.......................................................... 33

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

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

Removing the memory modules............................................34

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

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

Replacing the memory modules............................................ 36

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

Post-requisites................................................................................................. 37

Removing the wireless card.................................................... 38

Prerequisites.....................................................................................................38

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

Replacing the wireless card.................................................... 40

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

Post-requisites................................................................................................. 41

4

Removing the heat sink............................................................42

Prerequisites.....................................................................................................42

Procedure........................................................................................................ 42

Replacing the heat sink............................................................44

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

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

Removing the fan...................................................................... 45

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

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

Replacing the fan.......................................................................47

Procedure.........................................................................................................47

Post-requisites................................................................................................. 47

Removing the coin-cell battery..............................................48

Prerequisites.................................................................................................... 48

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

Replacing the coin-cell battery..............................................50

Procedure........................................................................................................ 50

Post-requisites.................................................................................................50

Removing the microphone......................................................51

Prerequisites..................................................................................................... 51

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

Replacing the microphone...................................................... 53

Procedure.........................................................................................................53

Post-requisites................................................................................................. 53

5

Removing the camera.............................................................. 54

Prerequisites.....................................................................................................54

Procedure........................................................................................................ 54

Replacing the camera...............................................................56

Procedure........................................................................................................ 56

Post-requisites.................................................................................................56

Removing the system board....................................................57

Prerequisites.....................................................................................................57

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

Replacing the system board....................................................60

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

Post-requisites.................................................................................................60

Removing the VESA-mount bracket...................................... 61

Prerequisites.....................................................................................................61

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

Replacing the VESA-mount bracket...................................... 63

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

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

Removing the speaker cover.................................................. 64

Prerequisites.................................................................................................... 64

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

Replacing the speaker cover...................................................66

Procedure........................................................................................................ 66

Post-requisites.................................................................................................66

6

Removing the speakers............................................................ 67

Prerequisites.....................................................................................................67

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

Replacing the speakers............................................................ 69

Procedure........................................................................................................ 69

Post-requisites.................................................................................................69

Removing the control-buttons board...................................70

Prerequisites.....................................................................................................70

Procedure........................................................................................................ 70

Replacing the control-buttons board................................... 72

Procedure.........................................................................................................72

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

Removing the display assembly..............................................73

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

Procedure.........................................................................................................74

Replacing the display assembly..............................................78

Procedure.........................................................................................................78

Post-requisites................................................................................................. 78

Removing the rubber feet....................................................... 80

Prerequisites.................................................................................................... 80

Procedure........................................................................................................ 80

Replacing the rubber feet........................................................82

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

Post-requisites.................................................................................................82

7

Clearing Forgotten Passwords................................................83

Prerequisites.....................................................................................................83

Procedure........................................................................................................ 83

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

Clearing CMOS Settings...........................................................85

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

Procedure........................................................................................................ 85

Post-requisites.................................................................................................86

Flashing the BIOS...................................................................... 87

System diagnostic lights.......................................................... 88

Getting help and contacting Dell...........................................89

Self-help resources......................................................................................... 89

Contacting Dell............................................................................................... 90

8

Before working inside your

computer

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.

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 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.

7 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 flat, soft, and clean surface to

avoid scratches on the display.

8 Place the computer face down.

9

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 finish 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 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 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.

10

Recommended tools

The procedures in this document may require the following tools:

• Phillips screwdriver

• Plastic scribe

Screw list

The following table provides the list of screws that are used for securing

different components to the palm rest and keyboard assembly.

Component Secured to Screw type Quantity Screw

image

Easel stand

bracket

back cover M4x8 2

Pedestal stand display-panel

base

M4x8 4

Optical-drive

assembly

Display-

assembly base

M3x5 1

Optical-drive

bracket

Optical drive M2x2.5 1

Hard-drive

assembly

Display-

assembly base

M3x5 1

Hard drive Hard-drive

bracket

M3x5 3

Wireless card Wireless-card

bracket

M2x2.5 1

Heat-sink

assembly

Display-

assembly base

M3x5 1

Fan Display-

assembly base

M3x5 2

System board Display-

assembly base

M3x5 4

11

Component Secured to Screw type Quantity Screw

image

VESA-mount

bracket

Display-

assembly base

M3x5 4

Speaker cover Display-

assembly base

M3x5 4

Speaker-cable

routing

VESA-mount

bracket

M3x5 1

Rubber feet Display bezel M3x5 2

Display-

assembly base

Display bezel M3x5 16

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 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.

13

Technical overview

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

www.dell.com/regulatory_compliance.

Inside view of your computer

1 control-buttons board 2 hard-drive assembly

3 optical-drive assembly 4 display-assembly base

5 microphone board 6 camera module

7 fan 8 heat sink

9 wireless card 10 memory modules

11 system board 12 coin-cell battery

13 VESA-mount bracket 14 speaker cover

14

System-board components

1 wireless-card slot (NGFF_WI-FI) 2 memory-module slot (DIMM1)

3 camera-cable connector

(WEBCAM)

4 memory-module slot (DIMM2)

5 Service mode jumper 6 Password clear jumper

(PASSWORD)

7 speaker-cable connector

(SPEAKER)

8 CMOS clear jumper

(RTC_CMOS)

9 coin-cell battery 10 touch-screen board cable

connector (TOUCH)

11 control-buttons board cable

connector (PWRCN1)

12 display-panel power cable

connector (CONVERTER)

15

13 display-cable connector (LVDS) 14 hard-drive data cable

connector (SATA_HDD)

15 optical-drive cable connector

(SATA_ODD)

16 hard-drive and optical-drive

power cable connector

(SATAP1)

17 fan-cable connector (FAN_CPU)

16

Removing the stand assembly

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

www.dell.com/regulatory_compliance.

Procedure to remove easel stand

NOTE: The type of stand assembly varies depending on the

configuration you ordered.

1 Place the computer face down on a soft cloth or a clean surface.

2 Using your fingertips, lift the stand cover.

3 Slide and remove the stand cover at an angle away from the stand.

1 stand 2 stand cover

3 back cover

4 Remove the screws that secure the stand bracket to the back cover.

17

5 Lift the stand off the back cover.

1 stand 2 stand bracket

3 screws (2) 4 back cover

Procedure to remove pedestal stand

NOTE: The type of stand assembly varies depending on the

configuration you ordered.

1 Place the computer face down on a soft cloth or a clean surface.

2 Release the tabs on the stand cover.

18

3 Slide and remove the stand cover away from the computer.

1 stand cover 2 back cover

4 Remove the screws that secure the stand to the display-panel base.

5 Lift the stand upward at an angle and slide it away from the computer.

1 back cover 2 screws (4)

3 stand

19

Procedure to remove stand riser from stand base

NOTE: If you need to remove either the stand base or stand riser from

the stand assembly, follow the steps below.

1 Lift the screw handle on the stand base.

2 Using the screw handle, loosen the captive thumbscrew that secures the

stand base to the stand riser.

1 screw handle 2 captive thumbscrew

3 stand base

20

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