my playstation won't read copied games and has a hard time reading non copied games.

[civuk]

Please i need help in fixing my ps. it use to work fine when i did the swap trick but for some odd reason, it just decided that it wouldn't read any of the copied games i have and the games that are not copied seem to load slower than usual and that it tends to skip a every few frames or so.
i need help
reply if you could
thanks