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Windows 7: How can I configure a UEFI motherboard for MBR instead of GPT?

02 Jan 2016   #11
GEWB

Linux (Mint is primary) / XP, Win7 Home / Win7 Pro, Ultimate / Win8.1 / Win10 archived VM
 
 

You might also use a live Linux disk (Puppy Linux, Mint Linux, etc.) and use it to create an MBR formatted hard drive then fresh install Windows to it.

Regards,
GEWB


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03 Jan 2016   #12
Nipax

Windows 7/8/10 UEFI/GPT system
 
 

How to convert disk from MBR to GPT or GPT to MBR if you do not want to keep the existing partition style.

Convert MBR to GPT:
1. Boot from the Windows 7/8/10 USB/DVD in UEFI mode.
2. Delete all partitions on the disk until it's unallocated.

How can I configure a UEFI motherboard for MBR instead of GPT?-convert-disk-mbr-gpt-gpt-mbr-1.png

Convert GPT to MBR:
1. Boot from the Windows 7/8/10 USB/DVD in Legacy BIOS mode.
2. Delete all partitions on the disk until it's unallocated.

How can I configure a UEFI motherboard for MBR instead of GPT?-convert-disk-mbr-gpt-gpt-mbr-2.png

Installing to the unallocated space and letting Windows create the partition table and partitions works with either Legacy BIOS or UEFI boot mode.

On an MBR disk, Windows 7/8/10 setup will create a System Reserved partition and a primary Windows partition.

On a GPT disk, Windows 7/8/10 setup will create a Recovery partition (not in Windows 7), an EFI System partition, a Microsoft Reserved partition (won't show in Disk Management), and a primary Windows partition.

How can I configure a UEFI motherboard for MBR instead of GPT?-convert-disk-mbr-gpt-gpt-mbr-3.png


My System SpecsSystem Spec
03 Jan 2016   #13
teckneeculler

XPPSP3, Win7Ultimate
 
 

Great post, Nipax, clear, succinct, makes sense.

I'll save the page for future reference.

Well done :-)
My System SpecsSystem Spec
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03 Jan 2016   #14
ThrashZone

Win-7-Pro64bit 7-H-Prem-64bit
 
 

Yep good post indeed but it also confirms the wipe program used did a crappy job at wiping the disk :/
If the bios is set to uefi only though could indeed be the issue.
My System SpecsSystem Spec
03 Jan 2016   #15
marisa69

W7 64-bit
 
 

Thank you, Nipax, I think your information has answered my question.

And thank you everyone else who made POSITIVE contributions

Happy Hogmanay!
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 How can I configure a UEFI motherboard for MBR instead of GPT?




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