Problem with my cpu cooling fan of my dell optiplex gx 280

i have problem with my cpu cooling fan of my gx 280 its very noisy .
and when i tried to replace it with new one i start received error messages every time booting computer
"system fan failure "
"press f1 to continue or f2 to run setup"
what i can do to solve this problem help me please
2 answers Last reply
More about problem cooling dell optiplex
  1. What happens when you press F1?
    Did you replace the fan only or the whole CPU cooler? And what did you replace it with?
    How is the new fan connected to the motherboard?
  2. sounds like the motherboard isnt detecting your cpu fan replacement.

    If one isnt detected it does that error so you do have an overheating problem.
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