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Windows 7: Dual Boot Problems

13 Feb 2018   #1
dazzlenet

Windows 7 Home Premium 64bit
 
 
Dual Boot Problems

I was dual booting Win 7 & Win 10. Something went wrong as no drives show an operating system.
Just bootmgr and other various files.:


My System SpecsSystem Spec
.
13 Feb 2018   #2
samuria

win 8 32 bit
 
 

Do you mean partitions have gone or all the files gone?
My System SpecsSystem Spec
13 Feb 2018   #3
dazzlenet

Windows 7 Home Premium 64bit
 
 

The regular files are missing. Win 7 & Win 10 have files such as shown in attachment.


Attached Thumbnails
Dual Boot Problems-capture.png   Dual Boot Problems-capture2.png  
My System SpecsSystem Spec
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13 Feb 2018   #4
dazzlenet

Windows 7 Home Premium 64bit
 
 
Update

Quote   Quote: Originally Posted by samuria View Post
Do you mean partitions have gone or all the files gone?
I found the Microsoft Software Repair Tool & it restored all the correct files with C: E: etc. Can't believe I had never heard of this tool. As for dual booting, I need help.
My System SpecsSystem Spec
13 Feb 2018   #5
samuria

win 8 32 bit
 
 

You have 11 gig of unused space you can move recovery to the right the grow the partition by 11 gig. Is it booting ok now? The simplest is to use virtual box which is free and run 7 as a virtual PC it's a lot simpler and safer
My System SpecsSystem Spec
14 Feb 2018   #6
AddRAM

Windows 7 Pro x64 Windows 10 Pro x64
 
 

Let me tell you how I do dual booting, and I never have an issue, I install each OS on 2 separate drives, while the other drives power cable is unplugged, or I`ve discovered that you can simply go into the Bios and disable the other drive. Once you have both installs done, you simply go into the Bios and set the drive you want to boot from as Boot Option #1 and disable everything else. Save changes and exit, When you want to boot into the other drive, simply set the drive as Boot Option #1 and the others will already be disabled, save and exit. Now you can boot to that drive.

I also remove the letter from the other OS I`m not using when I`m in either particular OS. I just did this setup on the X299 and it works perfectly.

I ordered a Samsung 860 Pro 256GB to image the FCU onto from the spare 850 Pro I used, and W10 FCU will be my default OS on the X299. W7 Pro is on a Samsung 960 Evo 250GB M.2, for now.

But if things go well with the FCU, I may very well just image that to the 960 Evo.

Here is a Disk Management shot from each OS. And I still have to reconnect another 500GB Barracuda.

In about a minute or less I can go from 7 to 10 or 10 to 7 and the OS`s never see each other and I never have any issues with any of my storage drives.

I don`t know if setting W10 to Boot Option #1 and W7 to Boot Option #2 and leaving it like that, then just using the boot menu to choose the non default OS would have any complications. I will test that out when the mood strikes me.


Attached Thumbnails
Dual Boot Problems-dm10.jpg   Dual Boot Problems-dm7.jpg  
My System SpecsSystem Spec
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 Dual Boot Problems




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