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Windows 7: How to Quickly and Easily Tell If Your Hard Drive is Formatted GPT

03 Aug 2012   #1

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1
How to Quickly and Easily Tell If Your Hard Drive is Formatted GPT

I have just started playing with my first UEFI system.

Normally when I receive a new laptop to set up for someone the first thing I recommend is that I reinstall W7 fresh. In preparing to do this the question immediately arose about whether the hard drive was formatted GPT or MBR.

I knew I could run Partition Wizard or any number of 3rd party tools to find out, but I was already in Windows and poked around and found this quick and easy method:

  • Open Disk Management: Start > Control Panel > Administrative Tools > Computer Management > Disk Management.
  • Right click on the Disk Box (The smaller box on the left, with the Disk #, not the larger volume boxes)
  • Select Properties > then go to the Volumes Tab
  • And next to “Partition Style” it will list the format. "Master Boot Record (MBR)" or “GUID Partition Table (GPT)”.

(Note: also here it lists the small Unallocated and Reserved spaces that Windows requires at the beginning and end of disks for it's housekeeping duties.)

I made a tutorial. Here:

My System SpecsSystem Spec

03 Aug 2012   #2

Windows 7 Ultimate 64 bit

Nice find....very useful!
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03 Aug 2012   #3
Microsoft MVP

Windows 7 Enterprise X64/Windows 10 X64

Nice job. That can come in handy. Thanks
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03 Aug 2012   #4
Layback Bear

Windows 7 Pro. 64/SP-1

Thanks TVeblen. How long did it take you to find that.
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03 Aug 2012   #5

Windows 7 Home Premium 64 bit

I have a UEFI, I think I'll experiment with GPT booting.

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04 Aug 2012   #6

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1

Quote   Quote: Originally Posted by Layback Bear View Post
Thanks TVeblen. How long did it take you to find that.
Not long at all. I had just turned it on, was looking around at all the usual stuff, opened Disk Management, looked, and said to myselves: "Why is there no indication of the disk format? Grumble, grumble, sputter.....".

Then: "wait a minute...".

Then started right clicking everything.

Those MS engineers are smart guys, but they are a sneaky bunch!
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 How to Quickly and Easily Tell If Your Hard Drive is Formatted GPT

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