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Convert GPT Disk to MBR

Last response: in Windows 8
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May 25, 2013 12:37:21 PM

So today I bought myself a Lenovo laptop for school work. It had Windows 8 preinstalled, so I wanted to downgrade to Windows 7 after an hour or two. The problem is that Windows 7 doesn't support the GPT style disk (disk 1) so I have to convert it to MBR. And to do that I have to delete all my partitions where the Windows 8 OS also is located. What would happen if i delete them all and convert it? Would my computer crash straight away? To be able to dual-boot W7 & W8 was my original thought, but now I'm tired that I don't care if I lose Windows 8 afterwards, I just want to be able to install Windows 7. I've been struggling with this since the afternoon.
Cheers. :wahoo: 

More about : convert gpt disk mbr

a b * Windows 8
a b $ Windows 7
May 25, 2013 1:29:11 PM

Assuming you are installing a 64-bit Win7, it should work with GPT. Microsoft says:
Q. Can Windows 7, Windows Vista, and Windows Server 2008 read, write, and boot from GPT disks?
A. Yes, all versions can use GPT partitioned disks for data. Booting is only supported for 64-bit editions on UEFI-based systems.
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May 25, 2013 3:21:21 PM

noidea_77 said:
Assuming you are installing a 64-bit Win7, it should work with GPT. Microsoft says:
Q. Can Windows 7, Windows Vista, and Windows Server 2008 read, write, and boot from GPT disks?
A. Yes, all versions can use GPT partitioned disks for data. Booting is only supported for 64-bit editions on UEFI-based systems.


Well, I've tried installing both of them and both give me the same message, "Windows cannot be installed on this disk. The selected disk is of the GPT partition style."
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a b * Windows 8
a b $ Windows 7
May 25, 2013 3:31:43 PM

borvik said:
noidea_77 said:
Assuming you are installing a 64-bit Win7, it should work with GPT. Microsoft says:
Q. Can Windows 7, Windows Vista, and Windows Server 2008 read, write, and boot from GPT disks?
A. Yes, all versions can use GPT partitioned disks for data. Booting is only supported for 64-bit editions on UEFI-based systems.


Well, I've tried installing both of them and both give me the same message, "Windows cannot be installed on this disk. The selected disk is of the GPT partition style."

But UEFI is activated? What's the exact model?
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June 1, 2013 10:59:56 AM

But UEFI is activated? What's the exact model?
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Sorry for the late reply. I tried it with both on and off, and the the model of my laptop is Lenovo ideaPad S300.
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