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Windows 7: How do I force Win7 to install using MBR (not GPT)?

10 Jan 2015   #1
na85

Win 7 x64
 
 
How do I force Win7 to install using MBR (not GPT)?

Hi,

My motherboard supports UEFI but I find it to be buggy and rather unstable. I would like to do a clean reinstall and go back to legacy BIOS+MBR. I don't have any drives over 4TB so this should not be a problem.

How can I accomplish this?


My System SpecsSystem Spec
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10 Jan 2015   #2
RolandJS

Windows 7 Professional 64-bit
 
 

Far wiser techs than I will appear eventually and ask for computer specs [mobo], UEFI/BIOS version, etc. I think there is a thread or two on what to include with this type of question. I'm new here, so I can't tell you where those help threads are.
My System SpecsSystem Spec
10 Jan 2015   #3
na85

Win 7 x64
 
 

Quote   Quote: Originally Posted by RolandJS View Post
Far wiser techs than I will appear eventually and ask for computer specs [mobo], UEFI/BIOS version, etc. I think there is a thread or two on what to include with this type of quesiton. I'm new here, so I can't tell you where those help threads are.
It's an ASUS Z-87 with the stock BIOS/UEFI, and I've only got a single internal drive on this machine, so the guides I've been able to find can't help me, as they all assume you have a 2nd drive, so you can just do it from "device management". But obviously you can't do this on the drive that Windows inhabits, while Windows is still running.
My System SpecsSystem Spec
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10 Jan 2015   #4
AddRAM

Windows 7 Pro x64 Windows 10 Pro x64
 
 

You simply convert the drive to MBR using Diskpart, and you disable UEFI in the bios.

Convert GPT Disk to MBR Disk

Option 2 Step 2

Then just install windows.

Clean Install Windows 7
My System SpecsSystem Spec
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 How do I force Win7 to install using MBR (not GPT)?




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