1.    16 Apr 2016 #1
    Join Date : Apr 2016
    Posts : 5
    Windows 10x64

    How to set up a dual boot of Windows 7 with pre-existing 10?


    I am troubleshooting a problem with odd black screens when installing AMD video card drivers in Windows 10. ref. Black screen when installing AMD video drivers - Windows 10 Forums

    Anyway, I was thinking of quickly installing Windows 7 on a spare partition, so I can better see (or rule out) if the graphic card hardware is the issue.


    Are there any issues I should be aware of setting up a dual boot when 10 is already installed? I am no expert, and I'm a bit worried the the Windows 7 install will mess up the Windows 10 master boot record. It will be the same physical drive, but a different partition.

    I will probably want to restore the boot configuration to Windows 10 only after testing.
      My ComputerSystem Spec
  2.    16 Apr 2016 #2
    Join Date : Dec 2013
    Portsmouth Hampshire
    Posts : 1,870
    Windows 10 x86 14383 Insider Pro and Core 10240

    Solved Reinstalling Windows 7 on 7/10 dual boot breaks dual boot - Windows 10 Forums

    Quote Originally Posted by topgundcp View Post
    Boot into Windows 7. Open Disk Management and note the drive letter for Windows 10 then open Admin Command Prompt and type:
    bcdboot X:\Windows
    where X: is the drive letter of Windows 10 OS.
    The above shows the fix if installing Windows 7 alongside Windows 10 breaks the Windows 10 boot.

    Another useful tool is EasyBCD - register the non-commercial full version free:

    EasyBCD - NeoSmart Technologies
      My ComputersSystem Spec
  3.    17 Apr 2016 #3
    Join Date : Apr 2016
    Posts : 5
    Windows 10x64
    Thread Starter

    Thanks Fafhrd.
      My ComputerSystem Spec
  4.    18 Apr 2016 #4
    Join Date : Mar 2015
    Philadelphia
    Posts : 1,174
    Windows 10 Pro x64

    I'm not a fan of dual-booting, but since this is a temporary install, why not just pull your Windows 10 drive and install a spare for Windows 7. Do your testing and then remove the temp drive, replacing it with your Windows 10 drive. Guaranteed not to damage the 10 drive's install.
      My ComputerSystem Spec
  5.    18 Apr 2016 #5
    Join Date : Mar 2015
    New Mexico
    Posts : 1,336
    Windows 10 Pro,

    Quote Originally Posted by DeaconFrost View Post
    I'm not a fan of dual-booting, but since this is a temporary install, why not just pull your Windows 10 drive and install a spare for Windows 7. Do your testing and then remove the temp drive, replacing it with your Windows 10 drive. Guaranteed not to damage the 10 drive's install.
    ]


    I like this idea.
      My ComputerSystem Spec

 


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