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Common Problem:
Power Supply - Computer is hot to the touch, you smell burnt plastic, or you see smoke after you switch off your computer
Solution:
Your power supply fan is not functioning properly because the fan is dirty or the airflow to the fan is obstructed. Clean the power supply fan and surrounding area immediately, and if this doesn’t solve the problem, replace the entire PSU.

Generally, any intermittent problems that go away or appear to be repaired after you shut off your computer and let it cool down may be linked to your power supply and/or the power supply fan.

See Also:
Power Supplies
Protect Your PC From Heat & Overloads



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