7.
Remove the optical drive bracket
(2)
.
Reverse this procedure to reassemble and install an optical drive.
Power button board
Description
Spare part number
Switch cover with power button board
For use in computers with 15.6-in displays
598674-001
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 45
).
5.
Remove the switch cover and keyboard (see
Switch cover and keyboard on page 46
).
Component replacement procedures
53
Summary of Contents for ProBook 4525s - Notebook PC
Page 1: ...HP ProBook 4525s Notebook PC Maintenance and Service Guide ...
Page 4: ...iv Safety warning notice ...
Page 8: ...10 Recycling 131 Battery 131 Display 131 Index 137 viii ...
Page 135: ...RJ 11 modem Pin Signal 1 Unused 2 Tip 3 Ring 4 Unused 5 Unused 6 Unused RJ 11 modem 127 ...
Page 149: ......