5.Disconnect the battery cable from the system board (see Battery on page 13).

6.Remove the top speaker (see Speakers on page 15).

Remove the I/O board:

1.Detach the grounding tape (1) that secures the I/O board cable to the display panel assembly.

2.Release the ZIF connector (2) to which the I/O board cable is attached, and then disconnect the I/O board cable from the system board.

3.Remove the three Phillips PM1.2×4.5 screws (3) that secure the I/O board bracket and I/O board to the display panel assembly.

4.Remove the I/O board bracket (4).

NOTE: The I/O board bracket is included in the I/O Hardware Kit, spare part number 745164-001.

5.Remove the I/O board and cable (5).

Reverse this procedure to install the I/O board.

22

Chapter 4 Removal and replacement procedures

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HP 7 Beats 4501us manual