Dell Latitude 5400 - System board replacement

Next steps
1. Replace the inner frame.
2. Replace the battery.
3. Replace the base cover.
4. Replace the microSD card.
5. Follow the procedure in after working inside your computer.
System board
Removing the system board
Prerequisites
1. Follow the procedure in before working inside your computer.
2. Remove the microSD card.
3. Remove the base cover.
4. Remove the battery.
5. Remove the memory module.
6. Remove the WLAN card.
7. Remove the coincell battery.
8. Remove the DC-in .
9. Remove the M.2 2230 solid-state drive or the M.2 2280 solid-state drive, whichever applicable.
10. Remove the inner frame .
11. Remove the heatsink assembly.
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Disassembly and reassembly