HP C9K75UT User Manual download pdf (Page 54)

2. Remove the 2 Phillips PM 4.0 millimeter screws (2), and then remove the rear speakers (3).

USB/Audio board

Description Spare part number

USB/Audio board (includes digital media card reader) 689947-001

Before removing the USB/Audio board, follow these steps:

1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn

the computer on, and then shut it down through the operating system.

2. Disconnect all external devices connected to the computer.

3. Disconnect the power from the computer by first 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 on page 54).

5. Remove the base enclosure (see

Base enclosure on page 29).

6. Disconnect the battery cable (see

Battery on page 31).

Remove the USB/Audio board:

1. Disconnect the left front speaker cable (1).

2. Disconnect the right front speaker cable (2).

3. Disconnect the fan cable (3).

4. Disconnect the rear speaker cable (4).

5. Disconnect the 3 Phillips PM 4.5 millimeter screws securing the USB/Audio board (5).

46 Chapter 4 Removal and replacement procedures

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HP C9K75UT User Manual Page 54