Improve your question - see https://askubuntu.com/help/how-to-ask. There are more questions than answers at the moment. For example - what preceded this state? Did it work before and suddenly stopped working, or did you change something?
– ethczJun 03 '22 at 11:15
In addition to ethcz's comment run this report (not fix, yet): Please copy & paste the pastebin link to the Bootinfo summary report ( do not post report), do not run the auto fix till reviewed.Lets see details, use ppa version with your USB installer (2nd option) or any working install, not Boot-Repair ISO
https://help.ubuntu.com/community/Boot-Repair &
https://sourceforge.net/p/boot-repair/home/Home/
– oldfredJun 03 '22 at 13:47
https://sourceforge.net/p/boot-repair/home/Home/ – oldfred Jun 03 '22 at 13:47