How to dual boot Ubuntu alongside Windows 10 in Acer Laptops

So I recently got my hands on a Acer V15 Nitro as my main driver and primary dev device [machine learning with GTX1060 ftw]. Turns out newer Acer machines come with this InsydeH2O BIOS that can be a hassle to work with, requiring additional steps to configure boot menu options after installing Ubuntu from USB. After some searching online, I found this handy workaround by amp_man, and thought it’d be nice to share it here 🙂

[HOW-TO] Dual boot Acer Aspire R14

This probably also applies to other Acer models using InsydeH2O BIOS. After much messing around, this is how I got dual boot working on my Acer Aspire R14-471T:

1) Update to the latest BIOS (I know, it’s UEFI, but I’m going to call it a BIOS). My new laptop shipped with 1.07, 1.10 is the latest as of this posting.
2) Shut down, then while starting back up hit the F2 button many times until the BIOS Setup Utility loads.
3) In the “Main” menu, set the “F12 Boot Menu” option to “Enabled”. Press F10 to Save and Exit, then once Windows loads shut down again.
4) Insert your USB flash drive with your 64-bit Ubuntu installer on it.
5) Power on and keep pressing F12 until the boot menu pops up. Select the flash drive, boot, and install Ubuntu.

This is where things get tricky:
6) After ubuntu reboots, it will boot back into Windows. Shut down again. Reboot and hit F2 to enter the BIOS again.
7) Under “Security”, choose “Set Supervisor Password”, and set one. You will need this password any time you go back into the BIOS. A bunch of options on the page should change from grey to blue.
8) The “Select an UEFI file as trusted for executing” should now be available. If it’s not available, check that Secure Boot is still Enabled, if not, Enable it. Select it, and navigate to HDD0->EFI->ubuntu->grubx64.efi. The BIOS will ask you for a name for it, I called it Grub.
9) Hit F10 to save and exit, then immediately hit F2 again to re-enter the BIOS.
10) Now go to “Boot”, set “Secure Boot” to “Disabled”, and arrow down to the bottom of the list to your new “Grub” entry. Hit F6 until it’s the top of the list.
11) Hit F10 one last time. Your system should now reboot to the Grub boot loader!

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