- Feb 26, 2006
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Man...that sounds like Chinese to me...It's probably more of the W7 being MBR and not UEFI/GPT.
It's a quick conversion if you slap it in the old system.
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How to Convert MBR to GPT and GPT to MBR [Step-by-Step]
Have you purchased a new hard drive but cannot access all of its disk space? Luckily for you, this article will teach you how to convert MBR to GPT.adamtheautomator.com
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How to Convert MBR to GPT without Data Loss in Windows 7/8/10
Want to convert MBR to GPT without data loss in Windows 7/8/10? This post shows you the professional disk MBR to GPT converter to do it with ease.www.partitionwizard.com
Then the issue becomes boot selections if neither Windows knew about the other it won't really dual boot unless you tinker with things like running a Linux boot USB and then use grub to enable dual boot as an option. Going this route though might involve more advanced options you might not be able to stomach if you're not familiar with how it works in Linux.
I had a dual boot system for a while...back in the 00's. WinXP and Win7. Worked pretty well at the time. I THINK I managed to get out of the drive what I wanted...<knock on wood> Formatting the drive as NTFS now. Once I get that and the restore partition formattedf, I'll use Disk Management to set it at EUFI or wtf ever it needs to be. Doing a FULL format on 250GB via USB is taking forever...but it's working.
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