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Formatting my MBR disk to GPT and it is not working tried the command prompt and disk management

Last response: in Windows 7
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April 1, 2014 6:43:04 PM

Hi,

I was using my friend's non-genuine copy of windows 7 after building my desktop, and i recently decided to get a genuine copy I tried installing but it says I need a GPT disk.

So I attmpted to convert my MBR disk into GPT, but it keep giving me this message: "delete is not allowed on the current boot, system, pagefile, crashdump, or hibernation volume".

I did both command prompt and disk management following this website tutorial guide, http://www.sevenforums.com/tutorials/26193-convert-mbr-...
and it still not working.

I need someone help I would appreciate it. Thank You in Advance.
a c 594 $ Windows 7
April 1, 2014 6:49:57 PM

Assuming you have a valid Windows install disk, boot from that. You can't change the partition from within a running Windows instance.

Boot from the install disk, delete any and all partitions, install.
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April 1, 2014 6:55:02 PM

USAFRet said:
Assuming you have a valid Windows install disk, boot from that. You can't change the partition from within a running Windows instance.

Boot from the install disk, delete any and all partitions, install.



I do have a valid windows install disk now, but when i boot it i can't install it says "windows cannot be installed to this disk the selected disk has an mbr partition table on efi systems windows can only be installed to gpt disks"

what option do i choose so i can delete all the partitions so i can move onward and install?
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Best solution

a c 594 $ Windows 7
April 1, 2014 6:59:54 PM

Explorer1123 said:
USAFRet said:
Assuming you have a valid Windows install disk, boot from that. You can't change the partition from within a running Windows instance.

Boot from the install disk, delete any and all partitions, install.



I do have a valid windows install disk now, but when i boot it i can't install it says "windows cannot be installed to this disk the selected disk has an mbr partition table on efi systems windows can only be installed to gpt disks"

what option do i choose so i can delete all the partitions so i can move onward and install?


When is asks 'Where', choose Advanced. Select eacj existing partition, delete.
You should be then left with one large unformatted, unallocated space.
Windows will format as needed.
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