Missing boot grub theme

[Omurtak]

thank you, did i have to download file or just have to edit the grub file again, sorry for the stupid question but i don’t know how exactly to do this
for example i download dark theme but i dont know how to setup after that

https://github.com/VandalByte/darkmatter-grub2-theme

[olividir]

Never mind, I like the solution below.

Summary

So weird. I have been trying to use a different photo, so I copied the photo as such

sudo cp Downloads/sci-fi.png /boot/grub/themes/EndeavourOS/sci-fi.png

Then I went to grub

sudo nano /etc/default/grub

And I literally just have to change the name of the file from EOS.png to sci-fi.png

GRUB_BACKGROUND="/boot/grub/themes/EndeavourOS/sci-fi.png

Rebuild with

sudo grub-mkconfig -o /boot/grub/grub.cfg

And when I reboot I get black background, not the photo.

I have tried moving the photo to a different location:

/usr/share/endeavouros/sci-fi.png

but nothing works. I rebuild grub after every change. I have even tried grub-customizer which shows the image, but whenever I boot in, I only get black screen (the text color change has taken effect).

The only thing I have noticed is that the image is quite small in size, but it should be in HD quality.

I am however missing all of these files in there, which might be the reason

@anon50380917

the output shows this:

backgrounds           EndeavourOS-icon.png  EndeavourOS-logo.png  endeavouros.svg  splash.png
endeavouros-icon.png  endeavouros-logo.png  endeavouros.png       scripts

splash.png must be included in it!

[joekamprad]

no guaranty on the theme itself you want to use… but it includes install script that do the setup for you:

Vandal / Dark Matter GRUB Theme · GitLab

you need to run this and regenerate grub.cfg as far as I can see:

git clone --depth 1 https://gitlab.com/VandalByte/darkmatter-grub-theme.git && cd darkmatter-grub-theme
sudo python3 darkmatter-theme.py --install

issue is only that the script will not solve if you have may set background in /etc/default/grub