Compaq cpu fan error

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andr

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Jan 13, 2013
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I have a Compaq Presario cq5236 pc. Recently it began showing a cpu fan error and shuts down.
The fan was spinning but I replaced it anyway, same problem.
I cannot disable the cpu fan monitor as the bios doesn't include this option. HP website says bios is up to date following a "support assistant" scan - no option to flash bios/download a copy.
I have also cleared the cmos.
Anyone any ideas??
 
Joined
Apr 2, 2002
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3,443
The original Compaq fan probably was a 3 or 4 pin fan (extra sensor wire).

With being able to monitor RPM, the motherboard thinks the fan isn't spinning at all and throws up this warning.
If there's no BIOS settings to bypass fan warnings, you may need a fan with the extra sensor wire.
 

andr

Thread Starter
Joined
Jan 13, 2013
Messages
2
The original Compaq fan probably was a 3 or 4 pin fan (extra sensor wire).

With being able to monitor RPM, the motherboard thinks the fan isn't spinning at all and throws up this warning.
If there's no BIOS settings to bypass fan warnings, you may need a fan with the extra sensor wire.
The fan I got has the same number of wires as original.Both work, bios just doesn't register the fact.
Andr
 
Joined
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Messages
3,443
Not all extra fan wires are sensor. Some run to the thermistor present on some fans.

Can you upload pics of both fans?
 
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