How To Change Bios Mode From Legacy To Uefi Windows 10. Might help to know which computer you have as the methods for accessing the BIOS setup menu and BIOS options may be different between different models. Choose UEFI or legacy BIOS modes when booting into Windows PE (WinPE) or Windows Setup.
When I try to change the booting from Legacy to UEFI I get an error message that no boot. Choose UEFI or legacy BIOS modes when booting into Windows PE (WinPE) or Windows Setup. After Windows is installed, the device boots automatically using.
In the BIOS Setup Utility, change the boot mode from UEFI mode to legacy BIOS mode (or CSM boot mode).
After Windows is installed, the device boots automatically using.
You can boot into BIOS to see if you can convert Legacy to UEFI. After Windows is installed, if you If you're booting from a network that only supports BIOS, you'll need to boot to legacy BIOS mode. Might help to know which computer you have as the methods for accessing the BIOS setup menu and BIOS options may be different between different models.