Assembly fan running like jet engine

When I first start up the computer the fan starts roaring and goes really fat like a jet engine. The only way is to press/hold the start button to get it to stop. Windows will not load during this. Computer tech said I needed new hard drive. Bought one and installed everything-still does it. I bought a new assembly fan and shroud (that is the fan that is going wild) and it worked for 2 days then it started doing the same thing. Any suggestions on what to do next?
6 answers Last reply
More about assembly running engine
  1. Take the panel of the case and see if the problem is solved.
  2. i have the same issue, happens every other time i turn the pc on
  3. Which fan is making the noise ? A case fan , cpu fan or gpu fan ? What are sys specs ?
  4. asalikus said:
    Take the panel of the case and see if the problem is solved.



    Take the panel of the case and do what?
  5. jerry6 said:
    Which fan is making the noise ? A case fan , cpu fan or gpu fan ? What are sys specs ?



    According to the manual to my computer it is the assembly fan #T4307 Fan and Shroud It is covered with a green shield.
    It is a Dell Dimension 8400 P4, 630 (3GHz), HT, 2MB, EM64T
    1GB DDR2 SDRAM
    250GB SERIAL ATA, 7200
  6. steerstuffer said:
    Take the panel of the case and do what?
    Haha, it worked for my friend's computer. Do you still hear your fans sound like a jet while the panel is off?
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