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  1. Joined : Jan 2015
    Posts : 359
    Windows 10
       23 Jul 2015 #1

    Fan not working Asus TP500LN?


    I have an Asus laptop with a Nvidia 840M, and after it shut down during Limbo I realized my fan wasn't working. I could not hear it running, so I tried Speedfan. But Speedfan is unable to recognize any internal fans, and CPUID just says that the CPU fan is at 0RPM. There's nothing in the BIOS and I think my drivers are all up to date. I don't know if this is a Windows 10, driver, or hardware problem as i don't remember what my fan was like before.
      My System SpecsSystem Spec


  2. Joined : Jan 2014
    Oak Ridge TN, USA
    Posts : 23,934
    Windows 10 Pro x64
       23 Jul 2015 #2

    Hardware.. Windows does not control that as far as I know.
      My System SpecsSystem Spec


  3. Joined : Jan 2015
    Posts : 359
    Windows 10
       23 Jul 2015 #3

    It would be controlled by drivers. The hardware should do basic controls, but the software should be able to handle finer tuning. The audio jack on this laptop sharted out so I'm worried it is a hardware failure.
      My System SpecsSystem Spec


  4. Joined : Sep 2014
    Posts : 92
    64-bit 10240 10 Pro
       23 Jul 2015 #4

    If your CPU fan is not running you would be wise to turn off your laptop.
      My System SpecsSystem Spec


  5. Joined : Dec 2013
    Sydney, Nova Scotia, Canada
    Posts : 8,202
    Windows 10 IoT
       24 Jul 2015 #5

    FuturDreamz said: View Post
    It would be controlled by drivers. The hardware should do basic controls, but the software should be able to handle finer tuning. The audio jack on this laptop sharted out so I'm worried it is a hardware failure.
    The CPU fan is not controlled by drivers. Its controlled by hardware on the motherboard that works totally independent from the OS. There are utilities that will display its speed and maybe let you adjust the speed if the hardware supports it, but whether it works or not, is not depended on Windows or windows drivers. It's totally controlled my hardware on the motherboard. That's why the CPU fan spins up as soon as you turn your PC on, even before the OS is loaded.
      My System SpecsSystem Spec


  6. Joined : Jan 2015
    Posts : 359
    Windows 10
       24 Jul 2015 #6

    damn, so it basically has to be a hardware failure.
      My System SpecsSystem Spec


  7. Joined : Dec 2013
    Sydney, Nova Scotia, Canada
    Posts : 8,202
    Windows 10 IoT
       24 Jul 2015 #7

    Pretty well. You could try cleaning the dust bunnies out with compressed air. It may be just fud jamming it and keeping it from turning. You can get small cans for cleaning the dust out of fans etc at computer stores made just for this type of thing.
      My System SpecsSystem Spec


  8. Joined : Jan 2015
    Posts : 359
    Windows 10
       26 Jul 2015 #8

    I opened it up and spun the fan around a little. It catched a bit at first but then began to spin a bit more freely. I have to try to get temps up to see if the fan runs better, as Ivy Bridge runs remarkably cool so the fans don't kick in for a while.
      My System SpecsSystem Spec


  9. Joined : Dec 2013
    Sydney, Nova Scotia, Canada
    Posts : 8,202
    Windows 10 IoT
       26 Jul 2015 #9

    It should spin as max speed for a couple of seconds on power up and then slow down or stop. My two laptops both do this. Then it turns back on when things get hot.
      My System SpecsSystem Spec


  10. Joined : Jan 2015
    Posts : 359
    Windows 10
       26 Jul 2015 #10

    Odd, I thought I replied to this thread. Oh well.

    I opened up this computer (amazingly easy) and spun the fan around a bit. It stuck a little initially, but became more smooth running after a little while. I launched HWmonitor while playing LIMBO and the fan had jumped up to 25000RPM, so it should be working now. I found I have some Nvidia driver issues so I'll be updating it before doing a full stress test.
      My System SpecsSystem Spec


 
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