When only Zorin is installed, GRUB should be disabled by default.
I found solutions.
Am gonna number them:
- For the EFI errors, the solution provided by @Forpli solved the issue.
"sudo grub-install --no-uefi-secure-boot /dev/sda"
"sudo update-grub"
- For the 3 errors,
- No server is specified
- No suitable video mode found
- No video mode activated
Editing the Wayland line on the custom file .
"sudo nano /etc/gdm3/custom.conf"
#WaylandEnable=false
Editing the grub config file
"sudo nano /etc/default/grub"
Edit these to:
GRUB_GFXMODE=1024x768
GRUB_GFXPAYLOAD_LINUX=keep
GRUB_TERMINAL=gfxterm or console
GRUB_CMDLINE_LINUX_DEFAULT="nomodeset"
PS: I haven't tried to apply the last one "Grub_cmdline" but this got rid of 2 of the 3 errors, being no video mode activated the one remaining
UPDATE:
MY MOBO IS LEGACY ONLY OMFG!!!
Too frustrated to re install only to find myself with more errors, Linux mint it is.
Dw I will come back eventually, loved this os as far as functionality and compability goes.
LoLove
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I found that editing
/etc/default/grub
could help to solve the problem. This will display grub menu at boot:
Change these lines into:
GRUB_TIMEOUT_STYLE=menu
GRUB_TIMEOUT=10
Remove the # at the beginning of the first line
Save the file and then update grub
sudo update-grub
I've only just seen your addition. Then I wish you lots of fun with Linux Mint and less problems there!
Your motherboard can probably be operated in both legacy and uefi mode, as you can select uefi in the BIOS.
The boot stick should be created in the appropriate partition scheme.
Due to the error messages that have occurred so far, I would set legacy in the BIOS and set up the stick in the MBR partition scheme to see if it is better then.
Well, then I would suggest to use Rufus again and choose on Partition Sheme MBR and then install it again.
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I would expect #3 USB boot to be set enabled in BIOS, to run OS on a Live USB you have created.
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I read Failed to open \EFI\ubuntu - Not found but it boots anyway 
.
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