Power button board
Description Spare part number
Power button board for use in HP EliteBook 745 models 730959-001
Power button board for use in HP EliteBook 755 models 730822-001
Before removing the power button board, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the following components:
a. Service door (see
Service door on page 47)
b. Battery (see
Battery on page 49)
c. Fan (see
Fan on page 74)
d. Keyboard (see
Keyboard on page 58)
e. Base enclosure (see
Internal base enclosure on page 68)
f. Heat sink (see
Heat sink on page 79)
Remove the power button board:
1. Disconnect the power button board cable from the power button board (1).
2. Remove the broadhead Phillips PM2.0×3.0 screw that secures the board (2) to the top cover.
ENWW Component replacement procedures 81
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