Installing The Speakers; Input-Output Board; Removing The Left Input-Output -Io Board - Dell Precision 7520 Owner's Manual

Installing the speakers

1. Align the speakers along the slots on the computer.
2. Route the speaker cable through the routing tabs on the computer.
3. Connect the speaker cable to the system board.
4. Install the:
a. palmrest
b. keyboard
c. hard drive
d. base cover
e. battery
f. battery cover
5. Follow the procedure in

Input-Output board

Removing the left Input-Output -IO board

1. Follow the procedure in
2. Remove the:
a. battery cover
b. battery
c. base cover
d. hard drive
e. keyboard
f. palmrest
3. To remove I/O board:
a. Remove the M2.5x5.0 screws that secure the thunderbolt bracket to the computer [1].
b. Lift the bracket from the thunderbolt connector [2].
c. Remove the M2.5x5.0 screws that secure the I/O board to the computer [3].
d. Lift the I/O board upwards to and remove it from the computer.
After working inside your
Before working inside your
computer.
computer.
Disassembly and reassembly 27