Intermittent cpu fan failure error msg

Hewlett packard pavilion / M8226
April 16, 2011 at 20:02:38
Specs: Vista, Amd Anthone Dual Core 64x2 3 Gigahertz / 3G of Ram
Hp Pavillion m8226x media center. AMD Anthone 64x2 Dual Core 3 gigahertz processor. Sometimes get error msg cpu fan failure system will shut down in seconds,and it does. Most of the time will boot on next try without issues. Have taken side off and fan is spinning. Cleaned all dust out of all fans and processor. Checked connecto, seems tight and no loose or broken wires. Checked for Bios update. Did the update although it was not relevant to cpu. Checked the setup for a fan monitor there is none. Any advice on what next would be greatly appreciated.

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#1
April 16, 2011 at 21:03:44
Install Speedfan to monitor the CPU temperature and the fan RPM and see if you can spot either of them abnormal. High CPU temperature may mean poor heat sink contact or if fan RPM is low, then the fan may be going. It is also possible that the fan speed is being misread by your motherboard. If the temps are a little high, especially if the RPM is low and not adjusting higher, a new heat sink/fan may be your best bet. If the temps are very high but the fan is spinning reasonably (but that should have warned about overheating though), you may need to reseat the heat sink with new thermal compound.

You have to be a little bit crazy to keep you from going insane.


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#2
April 17, 2011 at 08:48:23
Sorry, I did not state the problem is at start-up.At that time the computer has been off so I don't believe it is a temperature issue. I checked out the speedfan software, it seems a bit confusing so I would like to wait before I resort to that.Sometimes the computer starts up on first try and other times it takes 2 or 3 trys. Thanks for the input.

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#3
April 17, 2011 at 13:22:10
faye

Try HWmonitor instead. It is more straight forward. Your power supply may be failing. HW monitors voltages as well as temperatures. Get it at the link below.

http://www.cpuid.com/softwares/hwmo...


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#4
April 17, 2011 at 20:05:16
Downloaded hwmon mb(ecs nettle2) temp. at 40c cpu core0 range 36-40c core1 27-33c. Computer belongs to a friend.Computer was purchased I believe in 2009. The power supply was changed in Dec.2010, 300 watt which was what the original was. Do you think wattage may not be sufficient? Thanks so much for responses.

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#5
April 17, 2011 at 20:15:36
Monitor the voltages. Pay special attention to the +12V. Voltages should not vary more than +- 5% of the rated voltage for each rail.

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#6
April 22, 2011 at 16:29:52
Thanks for the input. Changed out the power supply and it seems to have taken care of the problem.

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