![]() Again, this will probably only work on decent UEFI implementations.Ī side note: On dual boot systems, I set GRUB_DEFAULT=saved and add a line GRUB_SAVEDEFAULT=true. Once in the UEFI setup, disable FastBoot, save and reboot, select Ubuntu, en reset the default in /etc/default/grub back to the old value (0, probably). ![]() You could even select that OS from Redmond and try your luck there. To 'set' the default option you'll boot the next time. (or use vi instead of nano) and set the GRUB_DEFAULT= to the value you counted. Then edit the default that grub will boot: sudo nano /etc/default/grub ![]() IF it does, count the menuentries starting from 0. Run: grep -e "^menuentry " /boot/grub/grub.cfgĪnd see if it has UEFI Firmware Settings. Note that this does not work for all UEFI firmware, depending on the quality of the implementation.Īnother way to get out of this catch 22 would be altering the grub default. On GNU/Linux systems, try: sudo systemctl reboot -firmware-setupĪnd then reset the fastboot option. This is possible on Windows (but off-topic here). Assuming that your machine still boots, you could try and reboot your current OS into the UEFI settings. ![]()
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