Dell Inspiron 24 5475 User Manual

Inspiron 24 5000
Service Manual
Reg ula tor y M ode l: W15 C Reg ula tor y T ype : W 15C 001 Nov emb er 202 0 Rev . A 02
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
© 2017-2020 Dell Inc. or its subsidiaries. All rights reserved. Del l, EMC , and other trademarks are trademarks of Dell Inc. or its subsidiar ies . Other trademarks may be trademarks of their respective owners.
Contents
Chapter 1: Before working inside your computer........................................................................... 8
Before you begin .................................................................................................................................................................8
Safety instructions.............................................................................................................................................................. 8
Recommended tools........................................................................................................................................................... 9
Screw list............................................................................................................................................................................... 9
Chapter 2: After working inside your computer............................................................................ 11
Chapter 3: Technical overview..................................................................................................... 12
Inside view of your computer..........................................................................................................................................12
System board components ............................................................................................................................................. 13
Chapter 4: Removing the back cover............................................................................................14
Procedure.............................................................................................................................................................................14
Chapter 5: Replacing the back cover............................................................................................15
Procedure............................................................................................................................................................................ 15
Chapter 6: Removing the stand....................................................................................................16
Prerequisites........................................................................................................................................................................16
Procedure.............................................................................................................................................................................16
Chapter 7: Replacing the stand.................................................................................................... 17
Procedure.............................................................................................................................................................................17
Post-requisites....................................................................................................................................................................17
Chapter 8: Removing the hard drive.............................................................................................18
Prerequisites........................................................................................................................................................................18
Procedure.............................................................................................................................................................................18
Chapter 9: Replacing the hard drive............................................................................................ 20
Procedure............................................................................................................................................................................20
Post-requisites...................................................................................................................................................................20
Chapter 10: Removing the inner frame......................................................................................... 21
Prerequisites........................................................................................................................................................................21
Procedure.............................................................................................................................................................................21
Chapter 11: Replacing the inner frame......................................................................................... 23
Procedure............................................................................................................................................................................23
Post-requisites...................................................................................................................................................................23
Chapter 12: Removing the camera............................................................................................... 24
Contents 3
Prerequisites.......................................................................................................................................................................24
Procedure............................................................................................................................................................................24
Chapter 13: Replacing the camera............................................................................................... 25
Procedure............................................................................................................................................................................25
Post-requisites...................................................................................................................................................................25
Chapter 14: Removing the microphones.......................................................................................26
Prerequisites.......................................................................................................................................................................26
Procedure............................................................................................................................................................................26
Chapter 15: Replacing the microphones....................................................................................... 27
Procedure............................................................................................................................................................................27
Post-requisites................................................................................................................................................................... 27
Chapter 16: Removing the power-button board........................................................................... 28
Prerequisites.......................................................................................................................................................................28
Procedure............................................................................................................................................................................28
Chapter 17: Replacing the power-button board............................................................................29
Procedure............................................................................................................................................................................29
Post-requisites...................................................................................................................................................................29
Chapter 18: Removing the front bezel .........................................................................................30
Prerequisites.......................................................................................................................................................................30
Procedure............................................................................................................................................................................30
Chapter 19: Replacing the front bezel..........................................................................................32
Procedure............................................................................................................................................................................32
Post-requisites...................................................................................................................................................................32
Chapter 20: Removing the system-board shield...........................................................................33
Prerequisites.......................................................................................................................................................................33
Procedure............................................................................................................................................................................33
Chapter 21: Replacing the system-board shield........................................................................... 34
Procedure............................................................................................................................................................................34
Post-requisites...................................................................................................................................................................34
Chapter 22: Removing the chassis fan......................................................................................... 35
Prerequisites.......................................................................................................................................................................35
Procedure............................................................................................................................................................................35
Chapter 23: Replacing the chassis fan......................................................................................... 36
Procedure............................................................................................................................................................................36
Post-requisites...................................................................................................................................................................36
Chapter 24: Removing the speakers.............................................................................................37
4
Contents
Prerequisites....................................................................................................................................................................... 37
Procedure ...........................................................................................................................................................................37
Chapter 25: Replacing the speakers............................................................................................ 38
Procedure ...........................................................................................................................................................................38
Post-requisites...................................................................................................................................................................38
Chapter 26: Removing the side I/O-board................................................................................... 39
Prerequisites.......................................................................................................................................................................39
Procedure............................................................................................................................................................................39
Chapter 27: Replacing the side I/O-board.................................................................................... 41
Procedure.............................................................................................................................................................................41
Post-requisites....................................................................................................................................................................41
Chapter 28: Removing the coin-cell battery.................................................................................42
Prerequisites.......................................................................................................................................................................42
Procedure............................................................................................................................................................................42
Chapter 29: Replacing the coin-cell battery.................................................................................43
Procedure............................................................................................................................................................................43
Post-requisites...................................................................................................................................................................43
Chapter 30: Removing the memory modules................................................................................ 44
Prerequisites.......................................................................................................................................................................44
Procedure............................................................................................................................................................................44
Chapter 31: Replacing the memory modules................................................................................ 46
Procedure............................................................................................................................................................................46
Post-requisites...................................................................................................................................................................46
Chapter 32: Removing the solid-state drive................................................................................. 47
Prerequisites....................................................................................................................................................................... 47
Procedure............................................................................................................................................................................47
Chapter 33: Replacing the solid-state drive.................................................................................49
Procedure............................................................................................................................................................................49
Post-requisites...................................................................................................................................................................49
Chapter 34: Removing the wireless card......................................................................................50
Prerequisites.......................................................................................................................................................................50
Procedure............................................................................................................................................................................50
Chapter 35: Replacing the wireless card......................................................................................52
Procedure............................................................................................................................................................................52
Post-requisites...................................................................................................................................................................53
Chapter 36: Removing the processor heat-sink........................................................................... 54
Contents
5
Prerequisites.......................................................................................................................................................................54
Procedure for computers with discrete graphics......................................................................................................54
Chapter 37: Replacing the processor heat-sink........................................................................... 56
Procedure............................................................................................................................................................................56
Post-requisites...................................................................................................................................................................56
Chapter 38: Removing the processor...........................................................................................57
Prerequisites.......................................................................................................................................................................57
Procedure............................................................................................................................................................................57
Chapter 39: Replacing the processor...........................................................................................59
Procedure............................................................................................................................................................................59
Post-requisites...................................................................................................................................................................59
Chapter 40: Removing the I/O bracket........................................................................................ 60
Prerequisites.......................................................................................................................................................................60
Procedure............................................................................................................................................................................60
Chapter 41: Replacing the I/O bracket......................................................................................... 61
Procedure.............................................................................................................................................................................61
Post-requisites....................................................................................................................................................................61
Chapter 42: Removing the I/O board........................................................................................... 62
Prerequisites.......................................................................................................................................................................62
Procedure............................................................................................................................................................................62
Chapter 43: Replacing the I/O board........................................................................................... 64
Procedure............................................................................................................................................................................64
Post-requisites...................................................................................................................................................................64
Chapter 44: Removing the system board..................................................................................... 65
Prerequisites.......................................................................................................................................................................65
Procedure............................................................................................................................................................................65
Chapter 45: Replacing the system board..................................................................................... 68
Procedure............................................................................................................................................................................68
Post-requisites...................................................................................................................................................................68
Chapter 46: Removing the middle frame......................................................................................70
Prerequisites.......................................................................................................................................................................70
Procedure............................................................................................................................................................................70
Chapter 47: Replacing the middle frame...................................................................................... 72
Procedure............................................................................................................................................................................72
Post-requisites................................................................................................................................................................... 73
Chapter 48: Removing the display assembly................................................................................ 75
6
Contents
Prerequisites.......................................................................................................................................................................75
Procedure............................................................................................................................................................................75
Chapter 49: Replacing the display assembly................................................................................ 77
Procedure............................................................................................................................................................................ 77
Post-requisites................................................................................................................................................................... 78
Chapter 50: BIOS setup program................................................................................................. 79
BIOS overview....................................................................................................................................................................79
Entering BIOS setup program........................................................................................................................................ 79
System Setup Options..................................................................................................................................................... 79
Clearing forgotten passwords........................................................................................................................................ 82
Prerequisites................................................................................................................................................................. 82
Procedure......................................................................................................................................................................82
Post-requisites............................................................................................................................................................. 83
Clearing CMOS settings.................................................................................................................................................. 83
Prerequisites................................................................................................................................................................. 83
Procedure......................................................................................................................................................................83
Post-requisites............................................................................................................................................................. 84
Chapter 51: Flashing the BIOS..................................................................................................... 85
Chapter 52: Diagnostics.............................................................................................................. 86
Chapter 53: Getting help and contacting Dell.............................................................................. 87
Contents
7

Before working inside your computer

NOTE: The images in this document may differ from your computer depending on the configuration you ordered.
Topics:
Before you begin
Safety instructions
Recommended tools
Screw list

Before you begin

1. Save and close all open files and exit all open applications.
2. Shut down your computer. Click Start >
NOTE: If you are using a different operating system, see the documentation of your operating system for shut-down
instructions.
Power > Shut down.
1
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 flat, 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.
NOTE:
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.
NOTE: 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
8 Before working inside your computer
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

Screw list

Table 1. Screw list
Component Secured to Screw type Quantity Screw image
Camera Middle frame M3x5 2
Chassis fan Middle frame M3x5 3
Front bezel Middle frame Step-type
M3x5.6
I/O board Middle frame M3x5 4
Hard-drive bracket Middle frame M3x5 1
Hard drive Hard-drive bracket M3x3.5 3
I/O panel Middle frame M3x5 9
I/O board Middle frame M3x5 4
I/O bracket Middle frame M3x5 9
Inner frame Middle frame M3x5 9
4
Media-card reader Middle frame M3x5 2
Microphones (4) Middle frame M2x4 4
Before working inside your computer 9
Table 1. Screw list (continued)
Component Secured to Screw type Quantity Screw image
Middle frame Display assembly M3x5 11
Power-button board Middle frame M2x3.5 2
Side I/O-board Middle frame M3x5 2
Side I/O-board bracket Middle frame M3x5 2
Solid-state drive System board M2x3.5 1
Speakers (2) Middle frame Washer-type
M3x4
Stand I/O bracket M4x6 6
NOTE: The number and type of screws securing the stand to the computer is the same for both pedestal and articulating
stand options.
System-board shield System board M3x5 5
System board Middle frame M3x5 5
Wireless card System board M2x3.5 1
4
10 Before working inside your computer

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.
2
After working inside your computer 11

Technical overview

NOTE: 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.
Topics:
Inside view of your computer
System board components

Inside view of your computer

3
Figure 1. : Inside view of your computer
Microphone 2. Processor heat-sink
1.
3. Chassis fan 4. Hard drive
5. Middle frame 6. Power-button board
7. Speaker 8. I/O bracket
9. Camera assembly 10. Solid-state drive
11. Coin-cell assembly 12. Wireless card
13. Side I/O-board 14. Media-card reader
15. Memory module 16. System board
12 Technical overview

System board components

1. fan-power cable (FAN_SYS) connector 2. display-cable (MB-DISPC) connector
3. power-button board cable (0SDC1) connector 4. power-cable (MB-DCPWR) connector
5. hard-drive data cable (SATA0) connector 6. SSD-card connector (M.2)
7. rear I/O-cable (RUSBC1) connector 8. hard-drive power cable (SATA_PWR1) connector
9. USB Type-C cable (MB-TYPEC1) connector 10. rear I/O-board power cable (RPWRC1) connector
11. rear I/O-board cable (LAUOC1) connector 12. touch-screen cable (TOUCH1) connector
13. speaker-cable (SPEAKER) connector 14. media-card reader cable (SDRDC1) connector
15. side I/O-board cable (MB-SUSBC) connector 16. wireless-card slot
17. camera-cable (WEBCAM) connector 18. microphones-cable (DMIC1) connectors
19. memory-modules (2) slots 20. CMOS/Password jumper
21. processor socket
Technical overview 13

Removing the back cover

NOTE: 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.
Topics:
Procedure

Procedure

1. Loosen the two captive screws that secure the back cover to the inner frame.
2. Slide and lift the back cover off the inner frame.
4
14 Removing the back cover

Replacing the back cover

NOTE: 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.
Topics:
Procedure

Procedure

1. Align the tabs on the back cover with the slots on the inner frame.
2. Slide the back cover towards the bottom of the computer and snap the back cover in place.
3. Tighten the captive screws that secure the back cover to the inner frame.
5
Replacing the back cover 15

Removing the stand

NOTE: 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.
Topics:
Prerequisites
Procedure

Prerequisites

Remove the back cover.

Procedure

6
NOTE: The removal and replacement process is the same for articulating and pedestal stands.
1. Remove the six screws (M4x6) that secure the stand to the middle frame.
2. Forcefully lift the stand off the I/O bracket. A snapping sound should be heard when the stand is removed correctly.
NOTE: Exercise caution when removing the stand so as to not damage the chassis fan.
16 Removing the stand

Replacing the stand

NOTE: 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.
Topics:
Procedure
Post-requisites

Procedure

NOTE: The following procedure applies for both articulating and pedestal stand options.
1. Place the tabs on the stand into the slots on the inner frame and snap them into place.
2. Align the screw holes on the stand with the screw holes on the middle frame.
3. Replace the six screws (M4x6) that secure the stand to the middle frame.
7

Post-requisites

Replace the back cover.
Replacing the stand 17

Removing the hard drive

NOTE: 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.
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.
Topics:
Prerequisites
Procedure

Prerequisites

Remove the back cover.
8

Procedure

1. Remove the screw (M3x5) that secures the hard-drive assembly to the middle frame.
2. Slide and lift the hard-drive assembly from the middle frame.
3. Disconnect the hard-drive data and power cable (SATA0 and SATA_PWR1) from the hard-drive assembly.
4. Remove the three screws (M3x3.5) that secure the hard drive to the hard-drive bracket.
5. Lift the hard drive off the hard-drive bracket.
18 Removing the hard drive
NOTE: Note the orientation of the hard drive so that you can replace it correctly.
Removing the hard drive 19

Replacing the hard drive

NOTE: 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.
CAUTION: Hard drives are fragile. Exercise care when handling the hard drive.
Topics:
Procedure
Post-requisites

Procedure

1. Align the screw holes on the disk drive with the screw holes on the disk-drive bracket.
2. Replace the three screws (M3x3.5) that screw the hard drive to the hard-drive bracket.
3. Connect the hard-drive data and power cable (SATA0 and SATA_PWR1) to the hard-drive assembly.
4. Place and slide the hard-drive assembly into the middle frame.
5. Replace the screw (M3x5) that secures the hard-drive assembly to the middle frame.
9

Post-requisites

Replace the back cover.
20 Replacing the hard drive

Removing the inner frame

NOTE: 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.
Topics:
Prerequisites
Procedure

Prerequisites

1. Remove the back cover.
2. Remove the stand.

Procedure

10
1. Remove the nine screws (M3x5) that secure the inner frame to the middle frame.
2. Gently pry the inner frame from the sides off the middle frame.
Removing the inner frame 21
3. Lift the inner frame from the middle frame.
22 Removing the inner frame

Replacing the inner frame

NOTE: 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.
Topics:
Procedure
Post-requisites

Procedure

1. Sliding the inner frame at an angle, align the audio-out port through the respective slot on the inner frame and the screw holes on the inner frame with the screw holes on the middle frame.
2. Starting from the edge closest to the I/O bracket, press the inner frame down until it clicks in place.
3. Replace the nine screws (M3x5) that secure the inner frame to the middle frame.
11

Post-requisites

1. Replace the stand.
2. Replace the back cover.
Replacing the inner frame 23

Removing the camera

NOTE: 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.
Topics:
Prerequisites
Procedure

Prerequisites

1. Remove the back cover.
2. Remove the stand.
3. Remove the inner frame.
12

Procedure

1. Remove the two screws (M3x5) that secure the camera assembly to the middle frame.
2. Lift the camera assembly off the middle frame.
3. Disconnect the camera cable (WEBCAM) from the camera assembly.
24 Removing the camera

Replacing the camera

NOTE: 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.
Topics:
Procedure
Post-requisites

Procedure

1. Connect the camera cable (WEBCAM) to the camera assembly.
2. Turn the camera assembly and align the screw holes on the camera assembly with the screw holes on the middle frame.
3. Replace the two screws (M3x5) that secure camera assembly to the middle frame.
13

Post-requisites

1. Replace the inner frame.
2. Replace the stand.
3. Replace the back cover.
Replacing the camera 25

Removing the microphones

NOTE: 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.
Topics:
Prerequisites
Procedure

Prerequisites

1. Remove the back cover.
2. Remove the stand.
3. Remove the inner frame.
14

Procedure

1. Disconnect the microphones cable (DMIC1) from the microphone modules (4).
2. Remove the four screws (M2x4) that secure the microphone modules (4) to the middle frame.
3. Using a plastic scribe, carefully pry and lift the microphone modules (4) off the slots on the middle frame.
26 Removing the microphones

Replacing the microphones

NOTE: 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.
Topics:
Procedure
Post-requisites

Procedure

1. Connect the microphones cable (DMIC1) to the microphone modules.
2. Align the microphone modules (4) with their slots on the middle frame.
3. Route the microphones cable (DMIC1) through the routing guides on middle frame.
4. Replace the four screws (M2x4) that secure the microphone module to the middle frame.
15

Post-requisites

1. Replace the inner frame.
2. Replace the stand.
3. Replace the back cover.
Replacing the microphones 27
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