Lenovo 10BN, Hardware Maintenance Manual

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To replace the cover presence switch, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Open the computer cover. See “Opening the computer cover” on page 136.
3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 136.
4. Locate the cover presence switch. See “Locating major FRUs and CRUs” on page 74.
5. Disconnect the cover presence switch cable from the cover presence switch connector on the system
board. See “Locating parts on the system board” on page 77.
6. Remove the screw that secures the cover presence switch and remove the cover presence switch
from the chassis.
Figure 115. Removing the cover presence switch
7. Position the new cover presence switch so that the screw hole in the cover presence switch is aligned
with the corresponding hole in the chassis.
Chapter 10
.
Replacing FRUs (machine types: 2113, 2114, 2115, 3515, 4860, 4863, 4865, 4866,
4869, 5100, 10BS, 10BT, and 10BU)
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