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. Flip the M.2 2230 solid-state drive holder and align the notch on the M.2 2230 solid-state drive with the tab on the M.2
2230 solid-state drive holder.
2. Replace the single screw (M2x3) that secure the M.2 2230 solid-state drive to the M.2 2230 solid-state drive holder.
3. Align and insert the M.2 2230 solid-state drive holder on the system board to accommodate the M.2 2230 solid-state drive.
4. Replace the single screw (M2x3) that secure the M.2 2230 solid-state drive holder to the system board.
5. Align the screw holes on the M.2 2230 solid-state drive thermal pad with the screw holes on the M.2 2230 solid-state drive
holder.
6. Replace the two screws (M2x2.5) that secures the M.2 2230 solid-state drive thermal pad to the M.2 2230 solid-state drive
holder.
Next steps
1. Install the base cover.
2. Install the microSD card.
3. Install the SIM card.
4. Follow the procedure in After working inside your computer.
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Removing and installing components