Usually an overheating CPU is a result of bad or insufficient CPU grease.
If it is a desktop:
- Unplug
- Remove case cover
- Replug, BRIEFLY turn on to make sure CPU FAN is working properly
- IF FAN DOESN'T WORK:
- Replace fan!
- IF FAN DOES WORK:
- Unplug fan power cord
- Remove heat sink and clean with compressed air
- Carefully remove CPU from socket after releasing it via hinge mechanism
- Using rubbing alcohol and cotton or lint free cloth, clean cpu and bottom of heat sink of old grease
- TO APPLY NEW GREASE (purchase from anywhere):
- USE SMALL AMOUNTS! One of the big mistakes with applying is the tendency to put too much
- I'd suggest 3 to 4 dabs, no more than 3 to 4 millimeters in diameter
- Replace heat sink
- Use a program such as CPUID HWmonitor (freeware) to monitor temperature. It should hover in the 60 centigrade. If constantly above 74 then you may need to reapply grease.
If it is a laptop:
You can use most of the steps above but getting to the heat-sink will be tricky as the proprietary design of every make and model makes it difficult to access internal parts. I'd suggest taking it in!
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