cpu fan failure and bios

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thefox

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Jan 13, 2011
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Hi all. After replacing a dead cpu fan (spotted after "Warning - cpu fan failure detected" message flashed on screen), I am still getting this message at boot up. The fan (3 pin) is running fine. There is no option on screen to access the bios to investigate further and I've tried every permutation of F1, F2, Esc, Del etc etc.. Have reset bios by removing the 3volt battery and also resetting the jumper. The computer will not go beyond this warning page. Any advice on what to do next?
 

leroys1000

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Aug 15, 2007
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Does the fan have 2 wires on it or 3.
A 2 wire fan won't have RPM sensing that the motherboard needs.
Might check the motherboard manual to see if there might be a jumper
on the board to bypass the warning,but it is kind of unusuall that
it won't let you access the bios at all.
Usually the setting to disable the warning is in the bios.
 

thefox

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Joined
Jan 13, 2011
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3
It's a 3 wire fan and it's spinning fine. Have already reset the cmos jumper. Still getting the error message. The bios thing is indeed unusual as it seems that the fan warning locks the computer and therefore no access to the bios. Hmmm...
 

thefox

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Jan 13, 2011
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This thread is dead now as I've realised it's a bigger problem than I'm prepared to deal with now. One thing I do know is that it is definately not the fan! Until next time all....
 
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