![]() (Mainly you get to choose between RST, AHCI and IDE (or legacy or whatever), with AHCI the most likely one. All UEFI/BIOS settings will be lost - do this only if you know how the UEFI is configured now - if, for example, your SATA controller was set to something other than the default, you'll have trouble accessing the contents of your harddisk(s). If all else fails: refer to your hardware manual looking for BIOS setup reset (usually involves opening the case, removing the battery, placing a jumper, removing it and restarting). Getting the BIOS to cooperate and boot from network is, in my experience, tricky. This will make grub remember what was started last - handy when Windows wants to endlessly restart during major updates. Today were gonna setup a quick boot server so that computers can boot. 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. Now the BIOS will run at least one full memory test for your new memory when the server is rebooted. From the Advanced menu, disable the QuickBoot feature. Boot the server and run BIOS Setup by pressing the F2 key during the boot process. Run: grep -e "^menuentry " /boot/grub/grub.cfgĪnd see if it has UEFI Firmware Settings. Follow this procedure to disable the QuickBoot feature: 1. 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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