Non-system disk .Press any key to reboot. What to do?

Question

linux

After trying to install manjaro with ubuntu, the message came out non-system disk .Press any key to reboot. Yes, yes, I read the forums and followed the instructions, but it didn’t help.
Help please and do not scold for stupidity. I have a laptop

Answer 1

the screw fell off
, you can see only the flash drive ,
run sudo gparted , there in graphical mode it will be easier for you to see / understand xy from xy