Lenovo ThinkStation P520 30BE User Manual page 96

a. Locate the cover presence switch. See "Computer components" on page 7.
b. Disconnect the cover presence switch cable from the system board.
c. Slide the cover presence switch as shown to remove it from the computer chassis.
Figure 54. Removing the cover presence switch
3. To install a new cover presence switch, do the following:
a. Align the two notches in the new cover presence switch with the two tabs on the computer chassis.
Then, push the new cover presence switch inward until it is seated securely between the tabs.
Figure 55. Installing the cover presence switch
b. Connect the cable of the new cover presence switch to the cover presence switch connector on the
system board. See "Parts on the system board" on page 8.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 134.
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P520 User Guide