How to install dual boot windows 7 & Windows 10?


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i already installed windows 10 in my lenovo ideapad 320.
It has UEFI & GPT Partition.
when i was trying to install windows 7 these are im getting errors
1) stucked on boot logo ( In MBR)
2) keyboard & mouse won't working (In GPT)

tried UEFI & legacy mode __/\__ none of them worked
which is this based Dynamic or Basic i dont know about this..

let me help out this tried long time also
im attaching my system information
 

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My method!
Hopefully, as it is just installed, you do not have a lot of software on yet.
I would start again to keep it simple.
Firsts install Windows 7. No frills, a straightforward install.
Create a second partition.
Now install Windows 10, again, no frill. Select a customised install and make sure you install in the empty partition.
Windows 10 is more sophisticated. It will detect the other OS and set up a dual boot.
Done. You can then add refinements that you wish.
 
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If you have 2 separate partitions and one with already installer windows 10, you can simply install windows 7 into another partition without boot iso or usb..

First download WinNT Setup from here then select windows 7 iso in 1st field and installation partition in other fields. Now click setup and i ll start to install 7 into desired partition. After that you can choose any os from next reboot.

THis will only take 15 minutes to complete. Hope this helps.
 

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