Dell Latitude 5420 Rugged - Installing the Left I;O Board

2. Remove the:
a) Batteries
b) Bottom chassis cover
c) PCIe Heatsink fan assembly
d) Battery bay
3. Peel off the tape [1], disconnect the left I/O daughterboard FPC connector [2] from the system board.
4. Disconnect the speaker cable from the left I/O daughterboard [3].
5.
Loosen the two 'M2*5' screws [1] and lift the Left I/O daughterboard from the computer [2].
Installing the Left I/O Board
1. Install the left I/O daughterboard [1] and secure it using the two 'M2*3' screws [2] to the computer.
126
Removing and installing components