How to install Windows 7 x64 in GPT mode?

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KoolS

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Oct 2, 2013
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I have a Asus M5A97 R2.0 motherboard which has a uefi bios with mouse interface. I have a 1 TB HDD on which I am trying to install Windows 7 x64. I have converted the partition to GPT using diskpart.
But when I try to install, I get the error "windows cannot be installed on this disk. The selected disk is of the GPT partition style" . I cant get my dvd drive to boot in uefi mode even though the usb drive can. But I dont have a win 7 usb bootable. So how do I boot my dvd drive in UEFI to install win 7 on a gpt hdd . The UEFI shell also returns empty in the bios.
 
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photonboy


Okay, looks like I was slightly wrong on the GPT thing. Here:
http://technet.microsoft.com/en-us/library/dn336946.aspx

So it seems like you need to be in UEFI mode, so I guess you need to read the motherboard manual carefully to make sure you've set everything correctly in the BIOS to ensure that.
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photonboy

photonboy

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Jun 20, 2006
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First of all, you should let Windows format it as NTFS, so you should DELETE the partition during the Install procedure and let Windows reformat it.

As for the DVD drive not booting, I'm not sure:
1) update the BIOS via USB Flashback
2) Sata to AHCI mode in BIOS
3) make sure DVD drive is first in boot order (shouldn't matter with no OS installed though)
4) try different SATA power connection (only if DVD drive fails to open)
5) try different SATA controller (different color on motherboard)

Other:
You suggest you've booted via a USB DVD drive anyway, so for now install Windows that way using my advice on how to format it.

 
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KoolS

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Oct 2, 2013
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I did try to let windows format it,but it seems to format it as MBR by default as the DVD drive boots in non uefi mode. So I will try a different SATA controller or boot via USB. Thanks
 
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photonboy

photonboy

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Jun 20, 2006
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Okay, looks like I was slightly wrong on the GPT thing. Here:
http://technet.microsoft.com/en-us/library/dn336946.aspx

So it seems like you need to be in UEFI mode, so I guess you need to read the motherboard manual carefully to make sure you've set everything correctly in the BIOS to ensure that.
 
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K

KoolS

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Oct 2, 2013
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That looks like good information on how to boot Windows 7 in UEFI or bios mode. I didnt know the files on the CD mattered. Thank you
 
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phaedrav

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Apr 23, 2014
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How are you getting USB to boot EUFI mode? I have a M5A97 R2 and I'm trying to boot Win 7 install from a thumb drive on a USB 2.0 port. I only see one boot option, which seems to be legacy. The Advanced mode compatibility settings I've tried to force USB EUFI boot have stopped it from booting. The firmware just tells me to go to Advanced and change the compatibility settings back to support USB boot.

Which settings might I have wrong here? What settings are you using?

Thanks.
 
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photonboy

photonboy

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Old post.
 
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