So I have a friend and he has a shit ton of ps2 games, although some of them don't work, well we decided to test the games on my ps2 and it turns out they work just fine, we have already cleaned his lens inside of it to have it still not work, what could be the problem with my friends ps2?

maybe your friend's games discs are too scrached,but you can try cleaning the lens with alcohol 70° at least,and using a hair dry to vaporise alcohol on the lens quicly,maybe there a dust on it

So I have a friend and he has a shit ton of ps2 games, although some of them don't work, well we decided to test the games on my ps2 and it turns out they work just fine, we have already cleaned his lens inside of it to have it still not work, what could be the problem with my friends ps2? https://192168ll.onl/ https://xender.vip/ https://testmyspeed.onl/

my issue got solved!!

what a ps2's model your friend have?