Using the cover presence switch

The cover presence switch prevents your computer from logging in to the operating system when the computer cover is not properly installed or closed.

To use the cover presence switch, enable the cover-presence-switch connector on the system board first. To achieve this, do the following:

Start the Setup Utility program. See Starting the Setup Utility program.
Select Security > Chassis Intrusion Detection and press Enter.
Select Enabled and press Enter.
To save settings and exit the Setup Utility program, press F10 or Fn+F10 (depending on the keyboard settings), select Yes in the window displayed, and press Enter. The cover-presence-switch connector on the system board is enabled.

The cover presence switch starts functioning. If the switch detects that the computer cover is not correctly installed or closed, an error message is displayed when you turn on the computer. To fix the error and log in to the operating system, do the following:

Properly remove or install your computer cover. See Hardware removal and installation.
Start and then exit the Setup Utility program. See Starting the Setup Utility program and Exiting the Setup Utility program.