HP (Hewlett-Packard) BJ840USABA Laptop User Manual


 
Switch cover
Description Spare part number
Switch cover (includes capacitative board and cable) 486307-001
Capacitative board (includes cable) 487428-001
Before removing the switch cover, 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 50).
5. Remove the keyboard (see
Keyboard on page 65).
Remove the switch cover:
1. Close the computer and turn it upside down, with the rear panel toward you.
2. Remove the following:
(1) Two rubber screw covers. Screw covers are available in the Rubber Kit, spare part number
482966-001.
(2) Three Torx T8M2.5×7.0 screws.
(3) Two Phillips PM2.0×4.0 broad-head screws.
3. Turn the computer display-side up, with the front toward you.
4. Open the computer as far as possible.
74 Chapter 4 Removal and replacement procedures