Lenovo C200 All-In-One - Manual (Page 39)

Chapter 8. Replacing hardware
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6. Lift up the system fan.
7. Align the 4 screw holes on the new system fan to the 4 mounting holes
on the chassis. Screw back the 4 screws and attach the power cable to
the connector on the motherboard.
8. Screw the motherboard cover back.
9. Install the computer cover and screw back the computer stand.
Replacing the heatsink
To replace the heatsink
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. Remove the 7 screws that secure the heatsink to the motherboard and
chassis.