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Windows 7: "operating system not found" message when trying to install windows 7

07 May 2013   #11

windows 8

i followed the instruction in theog's sony link and i am now in the "select where to install screen" and there are many partitions.i select the biggest one ,i format it and it says that windows cannot be installed cause its of the gpt partition style.what should i do?

My System SpecsSystem Spec
07 May 2013   #12

Microsoft Community Contributor Award Recipient


Quote   Quote: Originally Posted by theog View Post
what can i do?or is there some hardware problem
Downgrading to Windows 7 will not repair hardware problem?

Check the NETWORK card drivers are installed.

Quote   Quote: Originally Posted by gregrocker View Post
It requires disabling Secure Boot first to upgrade a Win8 PC to Win7: UpDowngrade Windows 8 to Windows 7.

Then follow these special steps to install to UEFI (Unified Extensible Firmware Interface) - Install Windows 7 with - Windows 7 Forums

Did you look at the two tutorial gregrocker linked you to?
My System SpecsSystem Spec

 "operating system not found" message when trying to install windows 7

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