Acer Aspire 7739 - Thermal Unit Failure

4-16 Troubleshooting
Thermal Unit Failure 0
If the Thermal Unit fails, perform the following, one at a time. Do not replace a non-defective FRU:
Figure 4-11. Thermal Unit Failure
Start
Fan power wire well
connected?
Fan OK?
Heatsink well
seated?
CPU OK?
Replace M/B
Check ConnectNo
Replace thermal
module
No
Seat it wellNo
Replace CPUNo