I have had an issue installing Windows 7 on an MSI system (FM2-A75IA-E53) in full UEFI mode which seams to be the same problem many have had without a solution. From everything I have read, this Windows 7 Ultimate 64bit OEM DVD has the needed EFI files to boot and install in this mode. However. after the files load and windows starts up the system always freezes right at the end of the red, blue, yellow, green graghic that forms the MS logo comes together just an instant before the display would normally go black for a second or two before you get the first install page to choose your language.
This system doesn't have a well defined UEFI setting in the setup. It says 'Windows 8 Compatibility' You either enable or disable it. Even though MSI does not have any good documentation on this MB detup feature, the consensus is amoung most that 'Enabled' is UEFI mode and sidabled is UEFI-Legacy or CSM mode. I had to 'Disable' this setting in order to get Windows installed. I was wanting to install in UEFI and upgrade it to Windows 10.
Do I need the UEFI mode? Does UEFI-Legacy or this CSM Mode install Windows 7 and Windows 10 in UEFI by default on a GPT disk? In other words, Does installing a Windows 7 or above OS on a UEFI machine in UEFI-Legacy or CSM mode automatically install an OS in Full UEFI mode on a GPT disk? Or does a Windows 7 install default to MBR emulation in UEFI-Legacy mode? Is there any standard practice for a system UEFI-Legacy mode to try to check drive and install system compatibility and install UEFI as a defualt.
It does have an EFI partition but no MSP (MS System Reserved) partition.
If I ultimately want a UEFI installed system, is it possible to install this UEFI or to change the type of system to UEFI afterward?
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