PC shutdown during Windows start-up. Fine again after mains off. Solved

  1. Posts : 3
    Windows 10 Pro

    PC shutdown during Windows start-up. Fine again after mains off.

    Hello everyone,

    I sincerely hope someone can help. My PC turns off or freezes during Windows first boot screen. If it turns off, it is whilst the loading circle of circles is rotating. If it freezes, I don't see the rotating circle. If I then reboot my machine, it powers on but only shows a black screen.

    However, if I turn the power off at the mains socket for about 10 seconds and then turn the power back on, the PC starts as normal with no further error. There are occasions when I turn on the PC and have no problem but the issue is more common than not.

    I assumed this was a problem with my power pack and replaced it for a new one (750 Watt) but I retain the same problem. I have scoured the internet but I am mainly finding help for people who have a perpetual issue, not one that is sporadic.

    I have reseated all of my components and reset the bios battery in a vein hope of fixing the problem. All to no avail.

    Any advice is truly welcome.

    Thanks all.
      My ComputerSystem Spec

  2. Caledon Ken's Avatar
    Posts : 15,246
    Windows 10 Pro x64 Build 1809

    Hi baq99. Welcome to the TenForums @baq99.

    As a quick test to see if this is related to Windows Fast Startup could you enter this command to Command Prompt(admin)

    Powercfg -h off

    This shuts off hibernation which disables Windows Fast Start up.


    If this fixes then you can turn hibernation back on

    Powercfg -h on

    and disable Windows Fast Start up using our tutorial.

    Turn On or Off Fast Startup in Windows 10

      My ComputerSystem Spec

  3. Posts : 3
    Windows 10 Pro
    Thread Starter

    I've turned off Fast Startup using the command prompt and had no problems restarting. Because the problem is sporadic I'll wait a day or so to see if the problem re-occurs. I thought I'd post this as a place holder to let you know I'm not ignoring your reply.

    Thank you so much for your swift response and kind welcome. Friendliest forum award goes to...
      My ComputerSystem Spec

  4. Caledon Ken's Avatar
    Posts : 15,246
    Windows 10 Pro x64 Build 1809

    We're just a friendly bunch of techies here !!
      My ComputerSystem Spec

  5.    #5

    Check you have the latest version of the BIOS for your PC / motherboard and that it supports Windows 10. Also, check that your drivers are up to date. Is this a new problem which started after a recent software update?
      My ComputersSystem Spec

  6. Posts : 3
    Windows 10 Pro
    Thread Starter

    Hi Steve C,

    Yes, I always keep my drivers up to date and the components are windows 10 compatible. I have also flashed the bios to the latest version, although you are quite correct, it's always a good idea to keep everything in tip top condition.

    Caledon Ken,

    After two days of testing, the symptoms have not re-arisen so I'm guessing you got a hole in one with this :) I used to fix computers for a living and am usually pretty savvy with these things but this one really had me stumped. Thank you so much for your help!

    And thank you everyone on TenForums. Posting on here has been the most civil and friendly experience I think I've ever had on a forum! You're superstars! I wish the rest of the internet was like this.
      My ComputerSystem Spec


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