HP G72-257CL Compaq Presario CQ72 Notebook PC and HP G72 Notebook PC - Mainten - Page 68

Power button board, Remove the Phillips PM2.5×3.0 screw

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Removal and replacement procedures Power button board Description Power button board with cable Spare part number 600718-001 Before removing the power button board: 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 disconnecting the power cord from the AC outlet and then disconnecting the AC adapter from the computer. 4. Remove the battery (see "Battery" on page 4-7). 5. Remove the hard drive (see "Hard drive" on page 4-8). 6. Remove the memory module (see "Memory module" on page 4-11). 7. Remove the wireless module (see "Wireless module" on page 4-13). 8. Remove the optical drive (see "Optical drive" on page 4-16). 9. Remove the keyboard (see "Keyboard" on page 4-18). 10. Remove the speakers (see "Speakers" on page 4-21). 11. Remove the top cover (see "Top cover" on page 4-23). Remove the power button board: 1. Turn the top cover upside down. 2. Remove the Phillips PM2.5×3.0 screw 1 that secures the power button board to the top cover. 3. Lift up and remove the power button board 2. Reverse this procedure to install the power button board. 4-26 Maintenance and Service Guide

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4–26
Maintenance and Service Guide
Removal and replacement procedures
Power button board
Before removing the power button board:
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 disconnecting the power cord from the AC outlet and then
disconnecting the AC adapter from the computer.
4. Remove the battery (see
“Battery” on page 4-7
).
5. Remove the hard drive (see
“Hard drive” on page 4-8
).
6. Remove the memory module (see
“Memory module” on page 4-11
).
7. Remove the wireless module (see
“Wireless module” on page 4-13
).
8. Remove the optical drive (see
“Optical drive” on page 4-16
).
9. Remove the keyboard (see
“Keyboard” on page 4-18
).
10. Remove the speakers (see
“Speakers” on page 4-21
).
11. Remove the top cover (see
“Top cover” on page 4-23
).
Remove the power button board:
1. Turn the top cover upside down.
2. Remove the Phillips PM2.5×3.0 screw
1
that secures the power button board to the top cover.
3. Lift up and remove the power button board
2
.
Reverse this procedure to install the power button board.
Description
Spare part number
Power button board with cable
600718-001