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Windows 7: Urgent help needed by newby re:Win7 only recognises GPT partitions

29 Apr 2012   #1

Microsoft Windows 7 Professional 64-bit 7601 Multiprocessor Free Service Pack 1
Urgent help needed by newby re:Win7 only recognises GPT partitions

Gooday All,
I have a major problem (to me anyways ) My old Motherboard just gave up working so I replaced it with an Asus P9X79 Deluxe Mobo, thinking I may as well upgrade into something decent for a change, and everything went well until I tried to boot it up for first time, with no success, so I tried to do a repare install with Win7 Pro 64b boot DVD, which promptly told me that all the bootable drives had MBR Partition Tables and that on EFI Systems Windows only recognises GPT Partitions, so cannot repare or install and thats it.
I have no idea what Windows is talking about because I have only ever used MBR Partitions, and don't know anything about EFI Systems or GPT Partitions.
Can someone here give an old bloke a hand please, hopefully to change the boot system on the hard drive without loosing all the data and OS.
Failing that how to install Windows with the new GPT Partitions?
It's Urgent because I only have a loned Notebook and it has to be returned soon

Thanks in advance for any help OMG this is the best site ever, where everyone helps everyone else with a smile, keep up the great work, and thanks aqgain

My System SpecsSystem Spec
29 Apr 2012   #2

7 x64

Not sure but it sounds like a BIOS setting. I have not yet worked with MOBO that have this new UEFI BIOS system (which really isn't a BIOS).
My System SpecsSystem Spec
29 Apr 2012   #3
Microsoft MVP


Enter BIOS setup and see if there is an EFI boot disk set first to boot, remove it and change your HD (or DVD drive) to boot first.

This should allow an MBR HD to boot however it is never a sure thing that Win7 will start once you change such a major hardware component. The only way to assure this is to SysPrep to move HD to another computer, run Paragon Adaptive Restore CD on the new hardware, or use Acronis True Image 2010+ with Universal Restore to image it over while making the necessary adjustments.

If you cannot remove EFI from the boot options or change it in other BIOS settings, then you'll need to install following these special steps: UEFI (Unified Extensible Firmware Interface) - Install Windows 7 with - Windows 7 Forums
My System SpecsSystem Spec


 Urgent help needed by newby re:Win7 only recognises GPT partitions

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