Dell Inspiron 24-3459 User Manual

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Inspiron 24

3000 Series

Service Manual

Computer Model: Inspiron 24–3459

Regulatory Model: W12C

Regulatory Type: W12C003

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 © 2015 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.

2015 - 08

Rev. A00

Contents
Before working inside your computer.....................................	9
Before you begin ...............................................................................................	9
Safety instructions............................................................................................	10
Recommended tools........................................................................................	11
After working inside your computer......................................	12
Technical overview....................................................................	13
Inside view of your computer..........................................................................	13
Removing the stand assembly................................................	14
Procedure to remove easel stand...................................................................	14
Procedure to remove pedestal stand..............................................................	15
Procedure to remove stand riser from stand base...................................	17
Replacing the stand assembly.................................................	19
Procedure to replace easel stand....................................................................	19
Procedure to replace pedestal stand..............................................................	19
Procedure to replace stand riser to stand base........................................	19
Removing the back cover........................................................	20
Prerequisites....................................................................................................	20
Procedure........................................................................................................	20
Replacing the back cover.........................................................	22
Procedure.........................................................................................................	22
Post-requisites.................................................................................................	22
Removing the optical drive.....................................................	23
Prerequisites.....................................................................................................	23
Procedure.........................................................................................................	23

Replacing the optical drive......................................................	26
Procedure........................................................................................................	26
Post-requisites.................................................................................................	26
Removing the hard drive..........................................................	27
Prerequisites.....................................................................................................	27
Procedure.........................................................................................................	27
Replacing the hard drive..........................................................	30
Procedure........................................................................................................	30
Post-requisites.................................................................................................	30
Removing the memory module..............................................	31
Prerequisites.....................................................................................................	31
Procedure.........................................................................................................	31
Replacing the memory module..............................................	33
Procedure.........................................................................................................	33
Post-requisites.................................................................................................	34
Removing the wireless card....................................................	35
Prerequisites.....................................................................................................	35
Procedure.........................................................................................................	35
Replacing the wireless card.....................................................	37
Procedure.........................................................................................................	37
Post-requisites.................................................................................................	38
Removing the heat sink............................................................	39
Prerequisites.....................................................................................................	39
Procedure........................................................................................................	39

Replacing the heat sink............................................................	41
Procedure.........................................................................................................	41
Post-requisites.................................................................................................	41
Removing the fan......................................................................	42
Prerequisites.....................................................................................................	42
Procedure........................................................................................................	42
Replacing the fan......................................................................	44
Procedure........................................................................................................	44
Post-requisites.................................................................................................	44
Removing the coin-cell battery..............................................	45
Prerequisites.....................................................................................................	45
Procedure........................................................................................................	46
Replacing the coin-cell battery..............................................	47
Procedure.........................................................................................................	47
Post-requisites.................................................................................................	47
Removing the microphone.....................................................	48
Prerequisites....................................................................................................	48
Procedure........................................................................................................	48
Replacing the microphone......................................................	50
Procedure........................................................................................................	50
Post-requisites.................................................................................................	50
Removing the camera...............................................................	51
Prerequisites.....................................................................................................	51
Procedure.........................................................................................................	51

Replacing the camera...............................................................	53
Procedure.........................................................................................................	53
Post-requisites.................................................................................................	53
Removing the system board....................................................	54
Prerequisites.....................................................................................................	54
Procedure........................................................................................................	54
Replacing the system board....................................................	57
Procedure.........................................................................................................	57
Post-requisites.................................................................................................	57
Removing the VESA-mount bracket......................................	58
Prerequisites.....................................................................................................	58
Procedure........................................................................................................	58
Replacing the VESA-mount bracket......................................	60
Procedure........................................................................................................	60
Post-requisites.................................................................................................	60
Removing the speaker cover...................................................	61
Prerequisites.....................................................................................................	61
Procedure.........................................................................................................	61
Replacing the speaker cover...................................................	63
Procedure........................................................................................................	63
Post-requisites.................................................................................................	63
Removing the speakers............................................................	64
Prerequisites....................................................................................................	64
Procedure........................................................................................................	64

Replacing the speakers............................................................	66
Procedure........................................................................................................	66
Post-requisites.................................................................................................	66
Removing the control-buttons board...................................	67
Prerequisites.....................................................................................................	67
Procedure.........................................................................................................	67
Replacing the control-buttons board...................................	69
Procedure........................................................................................................	69
Post-requisites.................................................................................................	69
Removing the display assembly..............................................	70
Prerequisites.....................................................................................................	70
Procedure.........................................................................................................	71
Replacing the display assembly..............................................	75
Procedure.........................................................................................................	75
Post-requisites.................................................................................................	75
Removing the rubber feet........................................................	77
Prerequisites.....................................................................................................	77
Procedure.........................................................................................................	77
Replacing the rubber feet........................................................	79
Procedure.........................................................................................................	79
Post-requisites.................................................................................................	79
Clearing Forgotten Passwords...............................................	80
Prerequisites....................................................................................................	80
Procedure........................................................................................................	80
Post-requisites.................................................................................................	81

Clearing CMOS Settings...........................................................	82
Prerequisites....................................................................................................	82
Procedure........................................................................................................	82
Post-requisites.................................................................................................	83
Flashing the BIOS......................................................................	84
Getting help and contacting Dell...........................................	85
Self-help resources.........................................................................................	85
Contacting Dell................................................................................................	86

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

1Save and close all open files and exit all open applications.

2Shut down your computer.

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

–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.

3Disconnect your computer and all attached devices from their electrical outlets.

4Disconnect all cables such as telephone cables, network cables and so on, from your computer.

5Disconnect all attached devices and peripherals, such as keyboard, mouse, monitor, and so on, from your computer.

6Remove any media card and optical disc from your computer, if applicable.

7After 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 scratching the display.

8 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.

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, 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.

Recommended tools

The procedures in this document may require the following tools:

•Phillips screwdriver

•Plastic scribe

After working inside your computer

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

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

2Connect any external devices, peripherals, and cables you removed before working on your computer.

3Replace any media cards, discs, and any other parts that you removed before working on your computer.

4Connect your computer and all attached devices to their electrical outlets.

5Turn on your computer.

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 module
11	coin-cell battery	12	system board
13	VESA-mount bracket	14	speaker cover

Removing the stand assembly

Procedure to remove easel stand

NOTE: The type of stand assembly varies depending on the configuration you ordered.

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

2Using your fingertips, lift the stand cover.

3Slide 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.

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.

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

2Release the tabs on the stand cover.

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

1 stand cover

2 back cover

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

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

1	back cover	2 screws (4)
3	stand

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.

1Lift the screw handle on the stand base.

2Using 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

3 Slide the stand base off the stand riser.

1 stand riser

2 stand base

Replacing the stand assembly

Procedure to replace easel stand

NOTE: The type of stand assembly varies depending on the configuration you ordered.

1Slide the tabs on the stand into the slots on the back cover.

2Replace the screws that secure the stand to the display-panel base.

3Slide the tabs on the stand cover into the slots on the back cover and snap the stand cover until it clicks into place.

Procedure to replace pedestal stand

NOTE: The type of stand assembly varies depending on the configuration you ordered.

1Insert the tabs on the stand bracket with the slots on the back cover to align the screw holes on the stand bracket to the screw holes on the back cover.

2Replace the screws that secure the stand bracket to the back cover.

3Slide and replace the stand cover on the stand bracket.

Procedure to replace stand riser to stand base

NOTE: If you have removed the stand base or the stand riser, follow the steps below:

1Slide the stand base into the slot on the stand riser.

2Tighten the captive thumbscrew and fold the screw handle on the stand base.

Removing the back cover

Prerequisites

Remove the stand assembly.

Procedure

CAUTION: Do not remove the computer cover unless you need to install internal accessories for your computer.

1 Using a plastic scribe, pry the back cover from the display bezel.

2 Lift the back cover off the computer.

1	display bezel	2 back cover
3	plastic scribe

Replacing the back cover

Procedure

Align the tabs on the back cover with the slots on the display bezel and snap the back cover into place.

Post-requisites

Replace the stand assembly.

Removing the optical drive

Prerequisites

1Remove the stand assembly.

2Remove the back cover.

Procedure

1Disconnect the power and data cable from the optical drive.

2Remove the screw that secures the optical-drive assembly to the displayassembly base.

3 Slide the optical-drive assembly out of the optical-drive bay.

1	optical-drive assembly	2 screw
3	power and data cable

4Carefully pull the optical-drive bezel and remove it from the optical drive.

5Remove the screw that secures the optical-drive bracket to the optical drive.

6 Remove the optical-drive bracket from the optical drive.

1	screw	2	optical-drive bracket
3	optical drive	4	optical-drive bezel

Replacing the optical drive

Procedure

1Align the screw hole on the optical-drive bracket with the screw hole on the optical drive.

2Replace the screw that secures the optical-drive bracket to the optical drive.

3Align the tabs on the optical-drive bezel with the slots on the opticaldrive assembly and snap it into place.

4Slide the optical-drive assembly into the optical-drive bay and align the screw hole on the optical-drive bracket with the screw hole on the display-assembly base.

5Replace the screw that secures the optical-drive assembly to the displayassembly base.

6Connect the power and data cable to the optical-drive assembly.

Post-requisites

1Replace the back cover.

2Replace the stand assembly.

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