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Old 12-21-2007, 03:49 PM   #1
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Default CPU Fan Failed

- I just recently installed RAM into my HP Pavilion 764n computer which is running Windows XP Home SP2. After installing the ram I booted up my computer and received a CPU Fan Failed message with the 5 seconds until shutdown or hit F2 to continue booting error message. The problem is my fan is working perfectly, there is however a new noise that is not associated with the CPU fan. Any ideas?

- I just downloaded SpeedFan and it tells me temp 2 is a little hot, but I can hear the fan turn on when it reaches around 60C and it cools it to about 50C.
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Old 12-21-2007, 04:10 PM   #2
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Default Re: CPU Fan Failed

chech incase your BIOS setting is set to have a warning if fan speed or cpu gets to a certain temp.
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Old 12-21-2007, 05:25 PM   #3
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Default Re: CPU Fan Failed

There are no settings in BIOS that indicate whether or not there is a temp. limit that would trigger a message. The only information I saw regarding the Fan was its speed. It said the CPU fan was rotating at a rate of 0 RPM, which is false cause I can see the fans moving when I look at the back.
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Old 12-21-2007, 06:41 PM   #4
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Default Re: CPU Fan Failed

well either the wire going into the fan that sends the fan speed is not making contact, or something went out with the board. If you have a warranty you may want to take it in.
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Old 12-21-2007, 07:08 PM   #5
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Default Re: CPU Fan Failed

still check if the bios detects the cpu fan
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