Lenovo C20-00, Hardware Maintenance Manual, Page: 46 / 61

Step 13. To install the new motherboard or the new heat-sink:
a. Attach the heat-sink, Wi-Fi card, memory modules to the motherboard.
b. Line up the holes on the new motherboard with the mounting holes on the rear cover and
secure the new motherboard with the 8 screws.
c. Insert the notched end of the Wi-Fi card into the card port on the new motherboard and
secure it with the screw.
d. Connect the antenna cable(s) to the Wi-Fi card.
e. Connect all the cables to the new motherboard.
f. Reattach the I/O shielding to the motherboard.
Step 14. Reattach the rear cover.
Replacing the camera
Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the rear cover.
To replace the camera:
Step 1. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating
system, and turn off the computer and all attached devices.
Step 2. Unplug all power cords from electrical outlets.
Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O)
cables, and any other cables that are connected to the computer. Refer to “Left and right view”
and “Rear view” for help with locating the various connectors.
Step 4. Remove the rear cover. Refer to “Removing the rear cover”.
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Lenovo C20–00 Non-Touch All-In-One PC Hardware Maintenance Manual