HELP HELP No name (External) in legacy boot

i first says boot mismatch then this ano name (External)i have tryed hideaxuliray which is already false and it also says nrvem reset

Plz Help i am a noob

https://preview.redd.it/hvsa61mgyu3e1.jpg?width=898&format=pjpg&auto=webp&s=a1127c7225af74b857fca6b51bb048973ab88b8e