Audio Board - HP EliteBook 8740W Service Manual

Audio board

Description
Audio board (includes Digital Media slot and cable)
Before removing the 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 battery (see
a. Optical drive (see
drive on page
b. Keyboard (see
c. Switch cover (see
d. Display assembly (see
e. Top cover (see
Remove the audio board:
1. Remove the two Phillips PM2.5×4.0 screws (1) that secure the audio board to the base
enclosure.
2. Lift the rear edge of the audio board (2) and disconnect it from the system board.
3. Release the audio board (3) from the base enclosure by sliding it toward the back of the base
enclosure.
4. Remove the audio board.
90 Chapter 4 Removal and replacement procedures
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Battery on page 47), and then remove the following components:
Optical drive on page
55)
Keyboard on page 63)
Switch cover on page
Display assembly on page
Top cover on page 86)
54) or secondary hard drive (see
67)
76)
Spare part number
596055-001
Secondary hard