Reverse this procedure to install the volume button board.
USB board
NOTE: The USB board spare part kit does not include the USB board cable.
Description Spare part number
USB board L17076-001
USB board bracket L17073-001
USB board cable L17067-001
IMPORTANT: Make special note of each screw and screw lock size and location during removal
and replacement.
Before removing the USB board, follow these steps:
1. Shut down the computer.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by rst unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
4. Remove the display panel (see Display panel assembly on page 20), and then remove the following
component:
▲
Battery (see Battery on page 24).
Remove the USB board:
1. Release the ZIF connector from the system board and USB board (1).
30 Chapter 5 Removal and replacement procedures for authorized service provider parts
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