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  1.    23 Jul 2015 #1
    Join Date : Jan 2015
    Posts : 382
    Windows 10

    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 ComputerSystem Spec
  2.    23 Jul 2015 #2
    Join Date : Jan 2014
    Oak Ridge TN, USA
    Posts : 24,523
    Windows 10 Pro x64

    Hardware.. Windows does not control that as far as I know.
      My ComputerSystem Spec
  3.    23 Jul 2015 #3
    Join Date : Jan 2015
    Posts : 382
    Windows 10
    Thread Starter

    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 ComputerSystem Spec
  4.    23 Jul 2015 #4
    Join Date : Sep 2014
    Posts : 92
    64-bit 10240 10 Pro

    If your CPU fan is not running you would be wise to turn off your laptop.
      My ComputerSystem Spec
  5.    24 Jul 2015 #5
    Join Date : Dec 2013
    Sydney, Nova Scotia, Canada
    Posts : 10,175
    Windows 10 IoT

    Quote Originally Posted by FuturDreamz 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 ComputerSystem Spec
  6.    24 Jul 2015 #6
    Join Date : Jan 2015
    Posts : 382
    Windows 10
    Thread Starter

    damn, so it basically has to be a hardware failure.
      My ComputerSystem Spec
  7.    24 Jul 2015 #7
    Join Date : Dec 2013
    Sydney, Nova Scotia, Canada
    Posts : 10,175
    Windows 10 IoT

    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 ComputerSystem Spec
  8.    26 Jul 2015 #8
    Join Date : Jan 2015
    Posts : 382
    Windows 10
    Thread Starter

    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 ComputerSystem Spec
  9.    26 Jul 2015 #9
    Join Date : Dec 2013
    Sydney, Nova Scotia, Canada
    Posts : 10,175
    Windows 10 IoT

    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 ComputerSystem Spec
  10.    26 Jul 2015 #10
    Join Date : Jan 2015
    Posts : 382
    Windows 10
    Thread Starter

    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 ComputerSystem Spec

 
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