HP 340 G3, Руководство по техническому обслуживанию и ремонту

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Power button board
Description Spare part number
Power button board (includes cable) 813516-001
Before removing the power button 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 power button board:
1. Disconnect the power button board cable from the system board(1).
2. Disconnect the fan cable from the system board (2) (the power button board cable routes under the fan
cable).
3. Lift the tape from atop the power button board (3).
4. Remove the Phillips PM2.0×3.0 screw (4) that secures the power button board to the top cover.
5. Rotate the screw side of the board upward (5), and then pull the board out from under the tab (6).
Reverse this procedure to install the power button board and cable.
To replace, position the board into place under the tab (1), rotate it down (2), and replace the screw (3).
NOTE: You cannot slide the board into place from right to left.
Component replacement procedures 45