Vga Error after delete Display in CRU

[nendou-chan't]

hey everyone, I was trying to get more hz in my monitor using a custom resolution but my monitor doesn't support more than 60hz, and I say ok let me clean all the config that I made and delete a display, when I restarted my PC trow a VGA error,
first I do is reset the graphic (remove the graphic and put again ) didn't work,
second I do is reset bios didn't work, and below there are others things that I do

rest cru config (with other graphic card)
updating bios (with other graphic card)
clean GPU
reset GPU driver with DDU
clear cmos
test my GPU in another machine (trow me the VGA error)
using another monitor (doesn't work)