Windows 8 and 8.1 Forums


Windsows 8.1 and 7 interference

  1. #1

    Windsows 8.1 and 7 interference


    I have windows 7 in disk C and windows 8.1 in disk E, the access to each one I do from Bios quick menu where I select the disk to boot. While I am executing windows 7 all times and exit it ALL is working perfect, but if I enter Windows 8.1 all also work ok while I am there, but when I quit the Windows 8 and try to enter Windows 7 always the CHKDSK shows the message that one disk may have some incoherences and need to be checked, If I let the chkdsk work it do not find any problem. Now windows 7 will work perfect every time I enter till I try to execute the Windows 8 again, then the CHKDSK come again with its message (I observed that windows 8 convert the disk E in disk C for their session and to the phisic first disk gives the letter E). Any user can know why this happen?, and principally how to set? Thank you in advance.

      My System SpecsSystem Spec

  2. #2


    Marion
    Posts : 111
    Windows 8.1 Pro with Media Center


    If the system is checking consistency after booting from both operating systems, there sounds to be a hard drive issue.

    Are you saying you have 2 separate hard drives in your system, and you are using the quick bios menu to switch between hard drives?

    I remember doing something back in the day when I had a computer with 2 different hard drivrs, one with XP and one with Vista. XP would always start up fine, but when I went into Vista, XP would accidently delete restore points and image backups, sometimes Windows updates, and Vista had to do consistency checks to restore original versions of the files, since it found corrupted attributes.

    I removed XP from that system and stayed with Vista and no problems since. I don't like having 2 hard disks with 2 different operating systems on it, unless I'm doing it for troubleshooting purposes.

    I wonder if it's doing something similar my system did back then.
      My System SpecsSystem Spec

  3. #3


    Marion
    Posts : 111
    Windows 8.1 Pro with Media Center


    When you boot into the OS the drive letters will always be converted as drive C has to be the system drive for both os's. Like in win 8.1, the Windows 7 drive will be E drive, and in Windows 7, the Win 8.1 drive will be E drive so its assigned a drive letter to view the files. The drive letters won't affect either system so its something else causing issues.
      My System SpecsSystem Spec

  4. #4


    thank you Imaneke.

    Well, I was doing other tests, for example I disconnect the Win7 HD and enter to the Win8, all normal, then I didnt close Win 8 but Restart it and the blue screen appeared saying it was a problem and trying to repair. After repair I closed the Win8, disconnect this disk and connect the Win7 disk, now it didnt make the CHKDSK.

    Next text was connect the Win8 again and reenter to Win7, now Win7 executed the chkdsk, what demostrate that the problem disk is the win8 one, then as final text I reenter to Win8 and nortmal but if I restart the Win8 again the screen blue appear saying there are a problem !!. Realy I am lost. Thanks
      My System SpecsSystem Spec

  5. #5


    Florida, USA
    Posts : 141
    Windows 8.1 Pro x64 with Media Center, Windows 10 Pro x64, Windows 7 x64 Ultimate SP1


    Quote Originally Posted by manuel500 View Post
    I have windows 7 in disk C and windows 8.1 in disk E, the access to each one I do from Bios quick menu where I select the disk to boot. While I am executing windows 7 all times and exit it ALL is working perfect, but if I enter Windows 8.1 all also work ok while I am there, but when I quit the Windows 8 and try to enter Windows 7 always the CHKDSK shows the message that one disk may have some incoherences and need to be checked, If I let the chkdsk work it do not find any problem. Now windows 7 will work perfect every time I enter till I try to execute the Windows 8 again, then the CHKDSK come again with its message (I observed that windows 8 convert the disk E in disk C for their session and to the phisic first disk gives the letter E). Any user can know why this happen?, and principally how to set? Thank you in advance.
    This is caused by having Fast Startup enabled in Windows 8.1. It uses a hibernate like function to allow Windows 8.1 to start more quickly and Windows 7 is not compatible with it and detects it as a disk issue and runs CHKDSK as a result.

    See this tutorial to turn Fast startup off.

    Fast Startup - Turn On or Off in Windows 8
      My System SpecsSystem Spec

  6. #6


    Marion
    Posts : 111
    Windows 8.1 Pro with Media Center


    Good catch. I always turn fast boot off.

    Try it. Hope it works
      My System SpecsSystem Spec

  7. #7


    Oh yes, thank you, I did turn fast boot off and all is ok now, thank you pbcopter and Imaneke.
      My System SpecsSystem Spec

  8. #8


    Florida, USA
    Posts : 141
    Windows 8.1 Pro x64 with Media Center, Windows 10 Pro x64, Windows 7 x64 Ultimate SP1


    You're most welcome.
      My System SpecsSystem Spec

  9. #9


    Marion
    Posts : 111
    Windows 8.1 Pro with Media Center


    You're welcome. That's something new I've learned today. I don't do dual boot or stuff like that, but glad to help.

    Cheers
      My System SpecsSystem Spec

Windsows 8.1 and 7 interference
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