Replacing The Cover Presence Switch - Lenovo 30A0 Hardware Maintenance Manual

Figure 172. Reinstalling the heat sink and fan assembly with the fan duct
14. Reconnect all cables that were disconnected from the system board.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the replacement, go to "Completing the parts replacement" on page 216.

Replacing the cover presence switch

Attention:
Do not open your computer or attempt any repair before reading and understanding "Important safety information"
on page 1.
This section provides instructions on how to replace the cover presence switch, also known as intrusion
switch.
To replace the cover presence switch, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Remove the computer cover. See "Removing the computer cover" on page 150.
3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 151.
4. Locate the cover presence switch. See "Locating major FRUs and CRUs" on page 79.
5. Disconnect the cover presence switch cable from the system board.
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ThinkStation E32 Hardware Maintenance Manual