Dell Latitude 5175 User manual

Latitude 5175
Service Manual
Regulatory Model: T04E
Regulatory Type: T04E001
July 2022
Rev. A02

Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your tablet.
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.
© 2015-2022 Dell Inc. or its subsidiaries. All rights reserved. Dell Technologies, Dell, and other trademarks are trademarks of Dell Inc. or its
subsidiaries. Other trademarks may be trademarks of their respective owners.

Chapter 1: Before working inside your tablet................................................................................. 7
Before you begin .................................................................................................................................................................7
Safety instructions.............................................................................................................................................................. 7
Recommended tools........................................................................................................................................................... 8
Chapter 2: After working inside your tablet................................................................................... 9
Chapter 3: Removing the back cover............................................................................................10
Procedure............................................................................................................................................................................ 10
Chapter 4: Replacing the back cover............................................................................................ 12
Procedure.............................................................................................................................................................................12
Chapter 5: Removing the battery................................................................................................. 13
Prerequisites........................................................................................................................................................................13
Procedure.............................................................................................................................................................................13
Chapter 6: Replacing the battery................................................................................................. 14
Procedure.............................................................................................................................................................................14
Post-requisites....................................................................................................................................................................14
Chapter 7: Removing the solid-state drive................................................................................... 15
Prerequisites....................................................................................................................................................................... 15
Procedure............................................................................................................................................................................ 15
Chapter 8: Replacing the solid-state drive................................................................................... 17
Procedure.............................................................................................................................................................................17
Post-requisites....................................................................................................................................................................18
Chapter 9: Removing the wireless card........................................................................................ 19
Prerequisites....................................................................................................................................................................... 19
Procedure............................................................................................................................................................................ 19
Chapter 10: Replacing the wireless card...................................................................................... 20
Procedure............................................................................................................................................................................20
Post-requisites....................................................................................................................................................................21
Chapter 11: Removing the tablet bezel.........................................................................................22
Prerequisites.......................................................................................................................................................................22
Procedure............................................................................................................................................................................22
Chapter 12: Replacing the tablet bezel........................................................................................ 24
Procedure............................................................................................................................................................................24
Contents
Contents 3

Post-requisites................................................................................................................................................................... 24
Chapter 13: Removing the docking connector board.................................................................... 25
Prerequisites.......................................................................................................................................................................25
Procedure............................................................................................................................................................................25
Chapter 14: Replacing the docking connector board.................................................................... 26
Procedure............................................................................................................................................................................26
Post-requisites...................................................................................................................................................................26
Chapter 15: Removing the coin-cell battery................................................................................. 27
Prerequisites....................................................................................................................................................................... 27
Procedure............................................................................................................................................................................ 27
Chapter 16: Replacing the coin-cell battery................................................................................. 28
Procedure............................................................................................................................................................................28
Post-requisites...................................................................................................................................................................28
Chapter 17: Removing the speakers............................................................................................. 29
Prerequisites.......................................................................................................................................................................29
Procedure............................................................................................................................................................................29
Chapter 18: Replacing the speakers............................................................................................. 30
Procedure............................................................................................................................................................................30
Post-requisites...................................................................................................................................................................30
Chapter 19: Removing the I/O board............................................................................................ 31
Prerequisites........................................................................................................................................................................31
Procedure.............................................................................................................................................................................31
Chapter 20: Replacing the I/O board........................................................................................... 32
Procedure............................................................................................................................................................................32
Post-requisites................................................................................................................................................................... 32
Chapter 21: Removing the front camera.......................................................................................33
Prerequisites.......................................................................................................................................................................33
Procedure............................................................................................................................................................................33
Chapter 22: Replacing the front camera...................................................................................... 34
Procedure............................................................................................................................................................................34
Post-requisites................................................................................................................................................................... 34
Chapter 23: Removing the back camera.......................................................................................35
Prerequisites.......................................................................................................................................................................35
Procedure............................................................................................................................................................................35
Chapter 24: Replacing the back camera....................................................................................... 37
Procedure............................................................................................................................................................................ 37
4Contents

Post-requisites................................................................................................................................................................... 37
Chapter 25: Removing the system board..................................................................................... 38
Prerequisites.......................................................................................................................................................................38
Procedure............................................................................................................................................................................38
Chapter 26: Replacing the system board..................................................................................... 42
Procedure............................................................................................................................................................................42
Post-requisites................................................................................................................................................................... 42
Chapter 27: Removing the display assembly................................................................................ 43
Prerequisites.......................................................................................................................................................................43
Procedure............................................................................................................................................................................43
Chapter 28: Replacing the display assembly................................................................................ 44
Procedure............................................................................................................................................................................44
Post-requisites................................................................................................................................................................... 44
Chapter 29: Flashing the BIOS.................................................................................................... 45
Clearing CMOS.................................................................................................................................................................. 45
Chapter 30: Technology and components.................................................................................... 46
Power adapter....................................................................................................................................................................46
Processors.......................................................................................................................................................................... 46
Identifying processors in Windows 10.................................................................................................................... 46
Identifying processors in Windows 8...................................................................................................................... 47
Verifying the processor usage in Task Manager.................................................................................................. 47
Verifying the processor usage in Resource Monitor........................................................................................... 47
Chipsets...............................................................................................................................................................................48
Downloading the chipset driver............................................................................................................................... 48
Identifying the chipset in Device Manager on Windows 10...............................................................................48
Identifying chipset in Device Manager on Windows 8........................................................................................49
Graphic options..................................................................................................................................................................50
Downloading Driver.....................................................................................................................................................50
Identifying the display adapter..................................................................................................................................51
Changing the screen resolution................................................................................................................................ 51
Rotating the display.....................................................................................................................................................51
Display options.............................................................................................................................................................. 51
Adjusting brightness in Windows 10........................................................................................................................52
Adjusting brightness in Windows 8......................................................................................................................... 52
Cleaning the display.................................................................................................................................................... 52
Using touch screen in Windows 10......................................................................................................................... 52
Using touch screen in Windows 8........................................................................................................................... 52
Connecting to external display devices................................................................................................................. 53
Realtek ALC3266–CG Waves MaxxAudio Pro controller........................................................................................53
Downloading the audio driver................................................................................................................................... 53
Identifying the audio controller in Windows 10.................................................................................................... 53
Identifying the audio controller in Windows 8...................................................................................................... 54
Changing the audio settings..................................................................................................................................... 54
Contents 5

WLAN cards........................................................................................................................................................................54
Downloading the WLAN driver................................................................................................................................. 54
Hard drive options.............................................................................................................................................................54
Identifying the hard drive in Windows 10...............................................................................................................54
Identifying the hard drive in Windows 8................................................................................................................ 55
Entering BIOS setup................................................................................................................................................... 55
Camera features................................................................................................................................................................55
Identifying the camera in Device Manager on Windows 10.............................................................................. 55
Identifying the camera in Device Manager on Windows 8................................................................................ 56
Starting the camera....................................................................................................................................................56
Starting the camera application...............................................................................................................................56
Memory features............................................................................................................................................................... 57
Verifying system memory in Windows 10.............................................................................................................. 57
Verifying system memory in Windows 8................................................................................................................ 57
Verifying system memory in setup.......................................................................................................................... 57
Testing memory using ePSA..................................................................................................................................... 57
Intel chipset drivers.......................................................................................................................................................... 58
Intel HD Graphics drivers................................................................................................................................................ 58
Realtek HD audio drivers................................................................................................................................................. 58
Realtek RTS5242-GR Card Reader drivers................................................................................................................ 59
Realtek LAN network drivers......................................................................................................................................... 59
Intel Wireless 3165 WiFi and Bluetooth drivers..........................................................................................................59
Chapter 31: System LED diagnostics........................................................................................... 60
Chapter 32: Getting help and contacting Dell...............................................................................61
6Contents

Before working inside your tablet
NOTE: The images in this document may differ from your tablet depending on the configuration you ordered.
Topics:
•Before you begin
•Safety instructions
•Recommended tools
Before you begin
1. Save and close all open files and exit all open applications.
2. Shut down your tablet.
●Windows 10: Click or tap Start > Power > Shut down.
●Windows 8: Click or tap Power 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 tablet and all attached devices from their electrical outlets.
4. Disconnect all cables such as telephone cables, network cables and so on, from your tablet.
5. Disconnect all attached devices and peripherals, such as keyboard, mouse, monitor, and so on, from your tablet.
6. Remove any media card and SIM card from your tablet, if applicable.
Safety instructions
Use the following safety guidelines to protect your tablet from potential damage and ensure your personal safety.
NOTE: Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in
Before working inside your tablet. After working inside your tablet, follow the instructions in After working inside your tablet.
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 tablet cover or panels. After you finish working inside the tablet,
replace all covers, panels, and screws before connecting to the power source.
CAUTION: To avoid damaging the tablet, 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 tablet, ground yourself by touching an unpainted metal surface.
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
1
Before working inside your tablet 7

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
○#0 Phillips head screwdriver
○#1 Phillips head screwdriver
●Plastic scribe
8 Before working inside your tablet

After working inside your tablet
CAUTION: Leaving stray or loose screws inside your tablet may severely damage your tablet.
1. Replace all screws and ensure that no stray screws remain inside your tablet.
2. Connect any external devices, peripherals, and cables that you removed before working on your tablet.
3. Replace any media card, SIM card, and any other parts that you removed before working on your tablet.
4. Connect your tablet and all attached devices to their electrical outlets.
5. Turn on your tablet.
2
After working inside your tablet 9

Removing the back cover
NOTE: Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in
Before working inside your tablet. After working inside your tablet, follow the instructions in After working inside your tablet.
For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance.
Topics:
•Procedure
Procedure
CAUTION: Before opening your tablet, ensure that you place the tablet on a soft cloth or clean surface to avoid
any scratches on the display.
1. Place the tablet on a flat surface with the display facing down.
2. Open the slot cover and turn it at an angle.
a. slot cover
b. back cover
3. Remove the screw that secures the back cover to the display assembly.
3
10 Removing the back cover

a. screw
b. slot cover
c. back cover
4. Using a plastic scribe, pry up along the edges of the back cover.
5. Lift the back cover off the display assembly.
a. plastic scribe
b. back cover
c. display assembly
Removing the back cover 11

Replacing the back cover
NOTE: Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in
Before working inside your tablet. After working inside your tablet, follow the instructions in After working inside your tablet.
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 display assembly and snap it into place.
2. Replace the screw that secures the back cover to the display assembly.
3. Align the slot cover with the display assembly and snap it into place.
4. Turn the tablet over.
4
12 Replacing the back cover

Removing the battery
NOTE: Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in
Before working inside your tablet. After working inside your tablet, follow the instructions in After working inside your tablet.
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
1. Remove the screws that secure the battery to the display assembly.
2. Disconnect the battery cable from the system board.
3. Lift the battery, along with its cable, off the display assembly.
1. battery cable 2. screws (6)
3. display assembly 4. battery
4. Press and hold the power button for 5 seconds, to ground the system board.
5
Removing the battery 13

Replacing the battery
NOTE: Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in
Before working inside your tablet. After working inside your tablet, follow the instructions in After working inside your tablet.
For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance.
Topics:
•Procedure
•Post-requisites
Procedure
1. Align the screw holes on the battery with the screw holes on the display assembly.
2. Replace the screws that secure the battery to the display assembly.
3. Connect the battery cable to the system board.
Post-requisites
Replace the back cover.
6
14 Replacing the battery

Removing the solid-state drive
NOTE: Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in
Before working inside your tablet. After working inside your tablet, follow the instructions in After working inside your tablet.
For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance.
CAUTION: Solid-state drives are fragile. Exercise care when handling the hard drive.
CAUTION: To avoid data loss, do not remove the solid-state drive while the tablet is in sleep or on state.
Topics:
•Prerequisites
•Procedure
Prerequisites
1. Remove the back cover.
2. Remove the battery.
Procedure
1. Remove the screw that secures the solid-state drive to the system board.
2. Lift and slide the solid-state drive out of the slot on the system board.
7
Removing the solid-state drive 15

a. solid-state drive
b. solid-state drive slot
c. screw
16 Removing the solid-state drive

Replacing the solid-state drive
NOTE: Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in
Before working inside your tablet. After working inside your tablet, follow the instructions in After working inside your tablet.
For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance.
CAUTION: Solid-state drives are fragile. Exercise care when handling the hard drive.
Topics:
•Procedure
•Post-requisites
Procedure
1. Align the notch on the solid-state drive with the tab on the solid-state drive slot.
2. Slide the solid-state drive firmly into the slot at an angle and align the screw hole on the solid-state drive with the screw hole
on the system board.
3. Replace the screw that secures the solid-state drive to the system board.
1. notch 2. tab
3. solid-state drive slot 4. solid-state drive
5. screw
8
Replacing the solid-state drive 17

Post-requisites
1. Replace the battery.
2. Replace the back cover.
18 Replacing the solid-state drive

Removing the wireless card
NOTE: Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in
Before working inside your tablet. After working inside your tablet, follow the instructions in After working inside your tablet.
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
1. Peel off the foil that secures the wireless-card bracket and wireless card to the system board.
2. Remove the screw that secures the wireless-card bracket to the system board.
3. Lift the wireless-card bracket off the wireless card.
4. Disconnect the antenna cables from the wireless card.
5. Slide and remove the wireless card from the wireless-card slot.
1. foil 2. wireless-card bracket
3. screw 4. antenna cables (2)
5. wireless card 6. wireless-card slot
9
Removing the wireless card 19

Replacing the wireless card
NOTE: Before working inside your tablet, read the safety information that shipped with your tablet and follow the steps in
Before working inside your tablet. After working inside your tablet, follow the instructions in After working inside your tablet.
For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance.
Topics:
•Procedure
•Post-requisites
Procedure
CAUTION: To avoid damage to the wireless card, do not place any cables under it.
1. Align the notch on the wireless card with the tab on the wireless-card slot and slide the card into the wireless-card slot.
2. Connect the antenna cables to the wireless card.
The following table provides the antenna-cable color scheme for the wireless card supported by your tablet:
Connectors on the wireless card Antenna-cable color
Main (white triangle) white
Auxiliary (black triangle) black
3. Place the wireless-card bracket on the wireless card.
4. Align the screw hole on the wireless-card bracket with the screw hole on the system board.
5. Replace the screw that secures the wireless-card bracket and the wireless card to the system board.
6. Adhere the foil that secures the wireless-card bracket and wireless card to the system board.
1. notch 2. tab
3. wireless-card slot 4. wireless card
5. antenna cables (2) 6. wireless-card bracket
7. screw 8. foil
10
20 Replacing the wireless card