I tried posting something akin to this on SuperUser but I think it's too specific to elementary OS to be helpful.
I did the following:
- Inserted USB into my drive
- Inserted cd with burned iso
- Booted computer to Disk Drive which started elementary
- Started install process and chose "something else"
- Installed elementary to /dev/sdb (USB)
All looked well for a while. I rebooted with the USB still inserted and I got the normal grub menu which (after 10 seconds) booted to Elementary, great!
So I rebooted again, and removed the USB. Now I just get a grub command prompt akin to
If I enter the exit command, it echos "boot ubuntu" and takes me to the BIOS device selector.
Now when I click the Disk drive, rather than it booting Windows, I see:
ubuntu Windows Boot Manager Ubuntu
I was expecting that if I selected to boot from the USB, I would get the grub menu, but now I always get it regardless.
What can I do to force grub to boot to Windows if the USB is not inserted? (I've already configured the USB to boot to whatever I want when it's inserted, but