Windows 10: Windows time keeps changing

  1.    13 Dec 2016 #1

    Windows time keeps changing

    I have dual boot system with Linux and Win 10, and Linux time is correct, but the Windows is always 3 hours back. when I manually change it, it keeps coming back 3 hours backwards after reset. The windows time service is running and set to automatically start, so that's not the problem. What may be the problem? BIOS?
      My ComputerSystem Spec

  2.    13 Dec 2016 #2

    Make sure you are in the Right Time Zone for your area.
    Boot into Setup (Bios) Set the time here. If it looses time in the Bios then the CMOS battery must be changed.
      My ComputerSystem Spec

  3.    17 Dec 2016 #3

    spunk said: View Post
    Make sure you are in the Right Time Zone for your area.
    Boot into Setup (Bios) Set the time here. If it looses time in the Bios then the CMOS battery must be changed.
    I changed the Bios time there, and it does loses time, is it certainly a CMOS battery?
    Btw, that's a laptop, how hard is it to change a laptop CMOS battery? I have done it on a regular desktop mobo never on a laptop
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  4. TairikuOkami's Avatar
    Posts : 3,326
    10.5 Home 1803 x64
       17 Dec 2016 #4

    For the record, I had the same problem, it can be very frustrating.

    Try to disable changing time zone automatically. Run CMD as admin and copy/paste:

    schtasks /Change /TN "Microsoft\Windows\Time Zone\SynchronizeTimeZone" /Disable
    sc config tzautoupdate start= disabled
    net stop tzautoupdate /y
    Last edited by TairikuOkami; 17 Dec 2016 at 12:20.
      My ComputerSystem Spec

  5. Caledon Ken's Avatar
    Posts : 9,740
    Windows 10 Pro x64 Build 1803
       17 Dec 2016 #5

    Re changing cmos battery in laptop. Some laptops are a breeze and some require disassembly. Google your specific laptop with the words disassembly video. This should find a video for your reference.

    In some laptops it is not the standard CR2032 battery. Rather it is a little pack that plugs in. Again google will help you determine.

    Watch static this time of year. You may also need to buy some special small drivers to assist in the teardown.
      My ComputerSystem Spec


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