I’m pretty new as well. Try looking at mounting your hard drives with /etc/fstab. You should try to mount them via UUID and put them in the /mnt folder. I’m using mint cinnamon your mileage might vary. https://wiki.debian.org/fstab

As for the integrated graphics, you might be able to disable them in BIOS.

As for the video drivers I had a lot of trouble as well and ended up having to uninstall a lot of drivers manually to get the right version to stick.

He’s always bragging about how he’s the greatest. Did you forget the episode where he built a giant statue shouting “Remember me!” ?

This is correct. Leave this shit out of work. I agree with OP but I don’t want to talk about religion or politics at work.