Display Lid Switch Module - HP 540 Maintenance And Service Manual

Display lid switch module

NOTE: The display lid switch module is included in the Cable Kit, spare part number 457400-001.
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
5. Remove the keyboard (see
6. Remove the switch cover (see
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.
52 Chapter 4 Removal and replacement procedures
Battery on page 37).
Switch cover and keyboard on page
Switch cover and keyboard on page
47).
47).