Windows 10: System won't boot

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  1.    05 May 2017 #11

    My vote is bad Power Supply.
    I lost a couple of the stock Dell power supplies.
    The cpu does a power supply test (when power on) & determines 'bad' and shuts things down to prevent damage.
      My ComputerSystem Spec

  2.    06 May 2017 #12

    I tried switching the ram and it still just did the same thing. I checked the PS output and the -5 volt light was not lit. I am concerned that since the power supply cycles the fans on and off, is it possible that the bad PS output may have messed up the motherboard.
      My ComputerSystem Spec

  3.    06 May 2017 #13

    lenberman said: View Post
    I tried switching the ram and it still just did the same thing. I checked the PS output and the -5 volt light was not lit. I am concerned that since the power supply cycles the fans on and off, is it possible that the bad PS output may have messed up the motherboard.
    The only way to know is to install a different power supply into the system.
      My ComputerSystem Spec

  4.    06 May 2017 #14

    Try booting from a usb flash drive or dvd to eliminate a failed hard drive (check connections first). Unlikely, but worth testing just in case.
      My ComputerSystem Spec

  5.    06 May 2017 #15

    I tried that first.
      My ComputerSystem Spec

  6.    08 May 2017 #16

    According to what I've read, the -5volt circuit is not normally used so I suspect there may be another issue. How do I troubleshoot the motherboard? The Dell power supply has a built in breaker which trips immediately. If I hold the reset button the power supply will run for the durration of the press, but the computer will not even begin to boot.
      My ComputerSystem Spec


  7. Posts : 3,083
    Windows 10 Pro 64 bit
       10 May 2017 #17

    lenberman said: View Post
    According to what I've read, the -5volt circuit is not normally used so I suspect there may be another issue. How do I troubleshoot the motherboard? The Dell power supply has a built in breaker which trips immediately. If I hold the reset button the power supply will run for the durration of the press, but the computer will not even begin to boot.
    https://www.youtube.com/watch?v=udGOe7LQJEI
      My ComputerSystem Spec


 
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