HP (Hewlett-Packard) 550 Laptop User Manual


 
Display lid switch module
NOTE: The display lid switch module is included in the Cable Kit, spare part number Cable Kit, spare
part number 456594-001.
Before removing the display lid switch module, 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 39).
5. Remove the keyboard (see
Keyboard on page 50).
6. Remove the switch cover (see
Switch cover on page 48).
Remove the display lid switch module:
1. Disconnect the display lid switch module cable (1) from the system board.
2. Remove the display lid switch module (2) from the clip built into the top cover.
3. Remove the display lid switch module cable from the clips (3) built into the top cover.
Reverse this procedure to install the display lid switch module.
54 Chapter 4 Removal and replacement procedures