Mysterious underscore blinking

Devanshi

Prominent
Jul 20, 2017
1
0
510
Well, I was trying to install AVR into my PC.. All was well untill the end.. Where it said I need to restart to finish. When I restarted it went to a processing screen.. And then whoosh.. I got this mysterious underscore blinking screen... Searching everywhere about this problem.. NEED HELP ASAP!