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Dual boots from a single physical drive
This thread is continued from Convert MBR Disk to GPT Disk in Windows 10
zbook: I did not understand your instructions. Anyway, I have created this thread. I have an internal or external drive with free space.
NavyLCDR: I ran the command and could create the Windows boot menu.
My present problem is with the BIOS boot menu and BIOS boot priority. My experiments indicate their behavior is not consistent. Previously when the drive was Legacy MBR, I was using only the BIOS menu and did not bother setting the BOOT Priority.
Now Windows menu is displayed or not depending on how I use BIOS menu or setting BIOS Boot Priority.
BTW: The mobo is Gigabyte AORUS X570 Ultra and F12 is for the BIOS boot menu and F2 for setting boot priority.
If the system drive is left connected and everything else is disconnected, the Windows fails to boot.
I would like to switch the boot Windows as I used to do with MBR , which is by switching the active partition. How can I get rid of the Windows menu? Deleting one of the two shown at the MSCONFIG/Boot tab?