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Sure you boot from usb in non UEFI mode? in BIOS Secure boot is off? (maybe a reboot solves problem)
Sure you boot from usb in non UEFI mode? in BIOS Secure boot is off? (maybe a reboot solves problem)
Now I get only one disk to choose and no partitions - Disk 0 Unallocated Space
Secure boot disabled,CSM OS.
Disabling Secure Boot is not enough. You must take special steps to install if it remains in UEFI (Unified Extensible Firmware Interface) - Install Windows 7 with - Windows 7 Forums .
If you've weighed the differences between UEFI BIOS vs. Legacy BIOS - YouTube and already decided to install to MBR disk with Legacy BIOS setting or Compatibility Support Mode set to Dual or Enabled, then follow these steps to Bypass UEFI to Install WIn7
I just tried to boot with secure boot disabled and uefi & csm OS and it works!
regular bios - mbr.
UEFI bios - GPT.
My hard was formatted as gpt so I had to boot it with uefi and csm OS :)
Hope I don't get issues in further installation
Follow the steps in the tutorials I just linked above.
On most mobos CSM is the same as Legacy BIOS.
So you would only enable CSM if you want to install in Legacy Mode to an MBR disk, not UEFI (Unified Extensible Firmware Interface) - Install Windows 7 with - Windows 7 Forums