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Solved: Case fans not behaving.

Discussion in 'Hardware' started by BarracudaAxel, Apr 30, 2010.

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  1. BarracudaAxel

    BarracudaAxel Thread Starter

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    Hello all, I am having a bit of a problem with the fans in my PC. I was looking up information so that I may overclock my E6550, and decided to check what my temps were like before I touched anything. Real Temp reveals that my CPU sits at 42* when idle, however SpeedFan shows my GPU (8800GTS) is running warm at 57* idle. However SpeedFan also shows that only 1 fan in my entire case is running, and it is saying that it is my CPU fan, when I know for a fact it isn't, it is the exhaust fan on the back. My case configuration consists of a fan in front pulling in air, a fan in the back pushing out air, my CPU fan with heat sink draws in air from a funnel in the side of the case, and the video card takes 2 slots in the back of the case one of which is dedicated to pulling in air. I have attempted to adjust my fan speeds via SpeedFan, and have tried installing nTune but it will not install properly. I would think with the fans I have it should at least sound like a small turboprop, but the only fan I can hear and confirm working is the large exhaust fan. Any help please?

    John
     
  2. Triple6

    Triple6 Moderator

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    If the fans are connected directly to the power supply or only have a 2 wire connector then their speed cannot be monitored. To be monitored or controller they need to be connected to the motherboard via a 3 or 4 pin connector and the motherboard must support monitoring of these fans.

    Speedfan is not always accurate anyway. If your motherboard has its own utility then download and install that to monitor the fans.
     
  3. BarracudaAxel

    BarracudaAxel Thread Starter

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    ah ok, makes sense Triple6 thanks for the speedy response. The front and rear case fans are wired directly to the PSU, however that should not explain the GPU and CPU fans not running should it? My mobo does have a utility that does such, nTune, however it will not install properly and this may be due to my 64bit Windows 7 distribution.
     
  4. Triple6

    Triple6 Moderator

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  5. BarracudaAxel

    BarracudaAxel Thread Starter

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    Whoops forgot about my mobo specs, it is an nForce 680i SE. I can see and feel the rear exhaust fan working, the fan in front is covered by the case front, but I can neither hear nor feel it working, and I can visually not see the CPU fan working (also it has approached 100* during certain applications stock). The graphic card's fan I can not see either, but once again I do not hear or see it working, and it seems to get quite warm.
     
  6. Triple6

    Triple6 Moderator

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    Then you need to open up the case and confirm that the CPU fan is indeed working and that the heatsink is attached. 100 degrees Celsius is well beyond the specs of normal operation.
     
  7. BarracudaAxel

    BarracudaAxel Thread Starter

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    Ok it would seem that installing nTune and switching the cooling over to manual has fixed my problems. I suppose the 8800GTS just runs hot :confused:

    Thank you very much for all of the help Triple6!
     
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