I have Acer Aspire V15 Nitro (Black Edition) with UEFI on Windows 10. I installed Ubuntu alongside Windows 10. I followed all the instructions explaining how to configure it to work.
It means:
- quickstart off
- security boot disabled
- set in cmd grub as the boot loader (bcdedit /set {bootmgr} path \EFI\linuxmint\grubx64.efi)
By default, Windows 10 starts every time.
Finally, GRUB 2 does not start by default. To enable ubuntu I have to perform a breakneck mission. DO I start the computer, quickly click F12 (boot menu), it opens and I see two (apparently) equal entries named "Windows Boot Manager" (see below)
By trial and error I finally clicked 2. and GRUB started ... Only this way I can enable Ubuntu.
My BIOS menu looks like this:
I would like to start GRUB by default. Any ideas?
Acer typically required that you have latest UEFI from Acer for your system and systems with SSD need latest firmware from SSD vendor.
Acer has an unique requirement of setting "trust" on the "ubuntu" UEFI boot entry.
It may be shown as unknown until trust is set. You have to create an UEFI password & turn on UEFI secure boot to set trust. Be sure not to forget UEFI password, or reset to blank when done.
Other models, but Acer has similar UEFI for all systems.
Acer Aspire E15 will not dual boot
https://ubuntuforums.org/showthread.php?t=2297947&p=13369742#post13369742
https://ubuntuforums.org/showthread.php?t=2358003
Acer Cloudbook shows screen for selecting trust, shows typical screens for all Acer
http://bernaerts.dyndns.org/linux/74-ubuntu/340-ubuntu-install-acer-aspire-cloudbook-431
https://community.acer.com/en/categories/predator
When your computer is booting press whatever the bios option key is could be f11 or del couple of other options. There is often a way to adjust boot order. If your firmware gives you that option you should be able to move GRUB to the top position. Could also be called ubuntu instead of grub.