Fan speed

my computer fan speeds up and then slows down approximatley every two minuts please help
4 answers Last reply
More about speed
  1. Which fan? CPU? Graphics? Power supply?
  2. Are you sure your cpu isn't getting too hot? When is the last time you blew out the dust on the cpu heat sink?
  3. Use Task Manager to keep an eye on your CPU utilization. If the CPU is working hard it's only natural that the fan will speed up.
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