9. Lift the top of the top cover (1), and the lift the top cover up slightly (2) to gain access to the connected
audio/USB cable and connector underneath.
CAUTION: To avoid damage to the cable and connector, make sure not to disconnect the cable when
you lift the top cover from the computer.
10. Disconnect the audio/USB board cable (3) from the system board, and then remove the top cover from
the computer.
Reverse this procedure to install the top cover.
Use the following image to determine proper routing of top cover cables. All cables are included in the Cable
Kit, spare part number 721510-001.
(1): Function board cable
(2): Power button board cable
(3): USB/audio board cable
(4): Card reader cable
Reverse this procedure to install the top cover assembly.
56 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
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