You're correct. The fans blow air across the CPU heatsink and eventually the lint or dust builds up to a point the CPU isn't cool enough and odd errors begin.
Usually removing the case cover and removing the dust balls once a year will do wonders.
Bob
Hi everyone,
Could you tell me what I must care for old pc, 4 or 5 years old. PSU ? CPU fan ?
Thank you for your precious time and advice.
Hpc

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