Dell Latitude 3300 - I;O Daughterboard; Removing the I-O Daughterboard

I/O Daughterboard
Removing the I-O daughterboard
1.
NOTE: Power button is located on this PCB.
Follow the procedure in Before working inside your computer.
2. Remove the:
a) microSD card
b) base cover
c) battery
3. Disconnect the I/O daughterboard cable from its connector on the system board.
4. Open the actuator [1] and remove the FFC cable from the I/O board [2].
5. Remove the two M2xL3 screws that secure the I/O daughterboard to the system board [1] .
6. Lift and remove the I/O daughterboard from the computer [2].
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Disassembly and reassembly