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"The selected disk is of the gpt partition style"

Hey everyone.

I'm trying to install Windows 7 on a separate 100GB partition beside my Windows 8 partition (dual boot).

The disc boots fine, but I can't select my partition (Disk 0 part 5) because of the error: "The selected disk is of the gpt partition style".

I CANNOT wipe my disk (with all my files and windows 8 stuff on it) because I can't afford to back it up anywhere.

Any help? Please take it easy on the lingo as I'm new to this.

Thanks a ton.

Using an HP p7-1455
3 answers Last reply Best Answer
More about selected disk gpt partition style
  1. Are you booting the Windows 7 install DVD using the EFI DVD bios setting? Of course you will have to do a Win 7 x64 install, not an x86.
  2. RealBeast said:
    Are you booting the Windows 7 install DVD using the EFI DVD bios setting? Of course you will have to do a Win 7 x64 install, not an x86.


    I'm doing a X64 install of Ultimate. And how do I boot it that way? I just go to advanced windows bootup by pressing delete when the computer is turning on, then select boot from CD/DVD drive
  3. Best answer
    Edwin Finch said:
    RealBeast said:
    Are you booting the Windows 7 install DVD using the EFI DVD bios setting? Of course you will have to do a Win 7 x64 install, not an x86.


    I'm doing a X64 install of Ultimate. And how do I boot it that way? I just go to advanced windows bootup by pressing delete when the computer is turning on, then select boot from CD/DVD drive
    Newer UEFI systems like yours usually have bios boot device selections that include two for each device: one legacy bios and one UEFI. You need to specify the UEFI to install on a GPT drive.

    I agree totally with anonymous1 though, I would use a second drive for Windows 7.
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