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
Steps
1. Align and place the keyboard assembly on the palm-rest assembly.
2. Replace the 17 screws (M2x2) that secure the keyboard assembly to the palm-rest assembly.
3. Connect the keyboard cable to the connector on the touch-pad.
Next steps
1. Install the system board.
2. Install the assembly inner frame.
3. Install the battery.
4. Install the solid-state drive.
5. Install the memory module.
6. Install the WWAN card.
7. Install the WLAN card.
8. Install the base cover.
9. Install the microSD card.
10. Install the SIM card.
11. Follow the procedure in After working inside your computer.
Keyboard bracket
Removing the keyboard bracket
Prerequisites
1. Follow the procedure in Before working inside your computer.
Removing and installing components
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