Usb/Audio Board - HP ELITEBOOK 840 G4 Maintenance And Service Manual

USB/audio board

Description
USB/audio board
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 bottom cover (see
5. Remove the battery (see
6. Remove the keyboard (see
7. Remove the internal base plate (see
Remove the USB/audio board:
1. Disconnect the cable from the system board (1).
2. Remove the 2 Phillips M2.5×5.0 screws (2) that secure the USB/audio board to the computer.
3. Lift up rear side of the board, and then pull it away from the side of computer to remove it (3).
Reverse this procedure to install the USB/audio board.
Bottom cover on page
Battery on page 36).
Keyboard on page 47).
Internal base plate on page 50
32).
Component replacement procedures
Spare part number
916922-001
61