Removing The Right Input-Output - Io Board; Installing The Right Io Board - Dell Precision 7720 Owner's Manual

b) keyboard
c) hard drive
d) base cover
e) battery
f) battery cover
5. Follow the procedures in

Removing the right Input-Output - IO board

1. Follow the procedure in
2. Remove the:
a) SD card
b) battery cover
c) battery
d) base cover
e) hard drive
f) keyboard
g) palmrest
3. To remove I/O board:
a) Disconnect the right speaker cable from the I/O board [1].
b) Remove the M2.5x5.0 screws that secure the I/O board to the computer [2].
c) Lift the I/O board upwards to and remove it from the computer [3].

Installing the right IO board

1. Connect the I/O board connector cable and slide the I/O board into its slot on the computer.
2. Replace the M2.5x5.0 screws to secure the I/O board to the computer.
3. Connect the speaker cable to the I/O board.
4. Install the:
a) palmrest
b) keyboard
After working inside your computer.
Before working inside your computer.
Disassembly and reassembly 33