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    1. New linux user: dual boot Mint install fatal error

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      Following this guide (linuxtechi) and got Mint Cinnamon 22.2 (Zara) - yes the iso is verified, created bootable USB with Etcher, and after the screen where I input user details and password, well...

      Following this guide (linuxtechi) and got Mint Cinnamon 22.2 (Zara) - yes the iso is verified, created bootable USB with Etcher, and after the screen where I input user details and password, well along the install process, got a fatal error (screenshot) :
      Unable to install GRUB in /dev/sda
      Executing 'grub-install/dev/sda' failed
      This is a fatal error
      Here is a screenshot of the GParted, fdisk, df, lsblk and what re-running the install now looks like.

      Restarting (after pulling out USB) , instead of going to Windows 10, goes to a black screen that says

      This is not a bootable disk. Please insert a bootable floppy and press any key to try again ...
      Turn it off, back on with USB, at least I can still boot from there into USB-space mint for now.

      I'm guessing this has something to do with some peculiar hardware/BIOS settings than the fault of Mint. Worth mentioning that this is a refurbished 2013 HP box (order excerpt) , with a windows 10 digital key license, and that upon every fresh boot up (first time ever to now) it shows a black-background screen that says

      The preboot authentication application cannot be found.
      Press any key to attempt boot without authenticating.
      so it's very possible something is bork'd from the get go or else it has some very unorthodox settings to begin with.

      Can confirm running Mint off the USB is fine. The screencaps are sent from Firefox within, and I'm super happy with how clean everything is. Just not sure what to do now. If it's complicated, I can try sending the box back for refund and try again with another brand new box. But now I'm shy about trying dual boot on my regular desktop.

      Questions after looking around for help:

      1. am I booting from UEFI or Legacy? I don't know -- how do I check ?
      2. Fatal error installation hard stop: is there a way to access a log of what happened ?
      3. How do I boot back into Windows 10 for now ? use GParted to delete all the "new" partitions and try booting again?

      Edit: gave up . It's now a Mint box. Goodbye Windows you can kiss my dust

      16 votes