Service Manual
Table Of Contents
- Latitude 5420 Service Manual
- Contents
- Working inside your computer
- Major components of your computer
- Removing and installing components
- Recommended tools
- Screw list
- Disassembly and reassembly
- Subscriber Identity Module (SIM) card
- Micro Secure Digital (SD) Card
- Base cover
- WLAN card
- WWAN card
- Solid-state drive
- Memory modules
- Battery
- Battery cable
- Assembly inner frame
- LED board
- Heat sink
- Speakers
- System board
- Power-button board
- Smart card reader
- Keyboard assembly
- Keyboard bracket
- Display assembly
- Display bezel
- Display panel
- Camera/microphone module
- eDP/display cable
- Sensor board
- Display hinges
- Display back cover
- Dummy SIM-card slot filler
- Palm-rest assembly
- Software
- BIOS setup
- Troubleshooting
- Getting help and contacting Dell
Palm-rest assembly
Removing the palm-rest assembly
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the SIM card.
3. Remove the microSD card.
4. Remove the base cover.
5. Remove the WLAN card.
6. Remove the WWAN card.
7. Remove the memory module.
8. Remove the solid-state drive.
9. Remove the battery.
10. Remove the assembly inner frame.
11. Remove the system board.
12. Remove the smart card reader.
13. Remove the LED board.
14. Remove the power-button board.
15. Remove the keyboard assembly.
16. Remove the display assembly.
About this task
The following image indicates the palm-rest assembly and provides a visual representation of the removal procedure.
Steps
After performing the steps in the pre-requisites, we are left with the palm-rest assembly.
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Removing and installing components