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dual boot won;t work after upgrading to Windows 10


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#1 the doctor

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Posted 18 June 2016 - 10:08 AM

I have a machine that had windows XP Pro installed; I partitioned the hard drive and installed windows 7. Dual boot worked fine,..either Win 7 or "earlier version of windows (Win XP). My customer installed Windows 10 over win 7. Now dual boot screen shows up but will only boot to 10...XP doesn't work. Help...Cannot go back to Win 7.


Edited by hamluis, 18 June 2016 - 12:48 PM.
Moved from XP to W10 Support - Hamluis.


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#2 Chris Cosgrove

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Posted 18 June 2016 - 04:20 PM

I am not certain, but I think you will find that when Win 10 installed it created an 'Win.old' folder, dumped your Win 7 files in that and merrily proceeded to format and partition the rest of your hard drive to suit itself, hence the reason why XP has gone.

 

Your customer, or you, should be able to revert to Win 7 should you wish, but I think you will find that XP is permanently gone. Depending on the size of the hard drive and on whether or not your customer still has install discs it may be possible to go back to dual or even triple booting, but I suspect it will mean re-installing Win 7 and/or XP.

 

Chris Cosgrove


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#3 ranchhand_

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Posted 19 June 2016 - 10:39 AM

As an add-on to Chris' post above, if your customer wants XP, I suggest using a 2nd hard drive for XP instead of dual boot partitions. It makes things a lot simpler and safer for his data. 


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#4 the doctor

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Posted 20 June 2016 - 08:37 AM

Thanks for the responses. XP isn't gone, it just won't boot. Hoe can I access the drive that it is on to try a repair. 



#5 JohnC_21

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Posted 20 June 2016 - 08:56 AM

You may want to look at EasyBCD. I am not sure it will help as you say XP is listed in the boot menu. It's free for personal use. Look under the section called Add New Entry.



#6 the doctor

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Posted 20 June 2016 - 10:22 AM

I have easyBCD installed, It shows both OS. I may add another HDD.






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