Lenovo C200 All-In-One - Manual (Page 40)

Hardware Maintenance Manual
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5. Lift up the heatsink.
6. Align the 7 screw holes on the new heatsink to the mounting holes on
the motherboard and chassis. Screw the new heatsink back.
7. Screw the motherboard cover back.
8. Install the computer cover and screw back the computer stand.
Replacing the WLAN card
To replace the WLAN card
1. Remove the computer stand. Refer to “Removing the computer stand”.
2. Remove the computer cover. Refer to “Removing the computer cover”.
3. Remove the motherboard cover. Refer to “Removing the motherboard
cover”.
4. Disconnect the antenna cables from the WLAN card.
5. Remove the 2 screws that secure the WLAN card to the motherboard.