my video is all messed up. some of the textures are all patchy and like a blank color...

also i keep hearing this sound, its like screechy crackly sound.

It was fine b4 but then i looked at the troubleshooting guide. i updated alot of stuff beause it kept freezing, and now thats fixed but now this is messed up -.-"

*looking at the sticky about the hint*

if it fixes it pls delete this post ill reply in a few minutes

ok it worked

but now i have a different problem -.-

"cant read memory" thing