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Backing up as MBR, but want to install as GPT

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Good afternoon,

I know there are already numerous threads on this, but I couldn't quite find one which linked to my situation.

We currently have a PC which is Windows 7 32 bit which is on a 250GB Hard Drive and is setup with an MBR record, however we are wanting to put in a 4TB Hard Drive so we can run some back ups to this PC.

I have made a backup of this PC, put the new hard drive in, restored it (Acronis sees it as a 4TB hard drive), it will let me create partitions as a 4TB HDD, but once I try to load up it's a big no no!

I have set the BIOS to UEFI but this didn't help. It's as if I need to save the current image in a GPT format?! I'm genuinely quite stuck on this one so any help would be much appreciated.

Thanks!

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Hello Joe

Welcome to Acronis user forums! The ability of the recovered system to boot up in different modes (UEFI or Legacy) depends on the operating systems installed on the source disk (Windows 7 32 bit in your case). Operating systems can be convertible i.e. allow changing the boot mode from BIOS to UEFI and back (basically all systems that support UEFI), or non-convertible

  • 64-bit versions of all Windows operating systems starting with Windows Vista x64 SP1 are convertible.
  • 64-bit versions of all Windows Server operating systems starting with Windows Server 2008 x64 SP1 are convertible.

All other operating systems are non-convertible, which means they won't be bootable when recovered to an UEFI-based system. To sum it up: X86 does not support UEFI, you would have to configure the machine for Legacy boot to install X86 versions of Windows (see Windows support of UEFI)

Thank you, 

Hi Ekaterina,

Thank you for your help, I did a further bit of research after my post and yes all roads were pointing to X86 not being compatible.

We've just installed 2x 2TB hard drives now which gets us around our problem.