Lenovo 30BA User Manual page 102

c. Slide the cover presence switch as shown to remove it from the computer chassis.
Figure 57. Removing the cover presence switch
4. 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 58. 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 7.
5. Reinstall the flex-bay bracket.
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 145.
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P720 User Guide