HP 340 G3, Maintenance And Service Manual

Page: 51 / 112

USB board
Description Spare part number
USB board (includes cable) for use in HP 346 G3 models 813515-001
USB board (includes cable) for use in HP 340 G3 and HP 348 G3 models 854104-001
Before removing the USB 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 Battery on page 26 ).
5. Remove the optical drive (see Optical drive on page 27 ), if installed.
6. Remove the bottom cover (see Bottom cover on page 34 ).
To remove the USB board:
1. Disconnect the USB board cable from the system board (1).
2. Remove the Phillips PM2.5×4.0 screw (2) that secures the USB board to the computer.
3. Lift the USB board (3) from the computer.
Reverse this procedure to install the USB board.
Component replacement procedures 43