ez flash omega, white screen from dirty contacts

so for the past few days ive been dealing with a white screen on my ez flash omega (non DE) and just wanted to document my quest to fix it.

just wanted to post here what i tried and what ultimately worked.

i got mine a few months ago from a ebay seller. so i have no idea as to how old it is.

installed mods: a retro six shell and USB C battery cover, Funny playing IPS screen, helder's game tech Flex amp, helder's game tech power cleaner and helder's game tech power switch replacement, CUI...

ez flash omega, white screen from dirty contacts