Question I7-2600 high temperature

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I have a computer whose temperature rises to 65% without load.
The processor is fanless from the beginning
Processor usage reaches more than 90%.
..
It is possible that the possibility is from the power supply
A CPU fan does tend to help with temperatures. Perhaps the thermal paste on the heatsink has dried up and needs to be reapplied.
 
Nov 27, 2024
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A CPU fan does tend to help with temperatures. Perhaps the thermal paste on the heatsink has dried up and needs to be reapplied.
At night the computer works very well
But during the day the program seems to freeze
Same room temperature
......
Inside the computer, electricity is 240