My ps3 isnt reading games

Hello my name is andybigdawg and i have the 180gb ps3 and i had my ps on for a day and a half and now it wont read any games it reads dvds and music cds last night i was playin black ops and it froze on me witch is normal for 2 maps but istarted it back up and it wouldn't even pop up at all and then i tryed ufc10 and it worked well today nothing is working what do i do ? if anyone can help me i would deeply appreciate it i have a 2 month old son so my ps get me through the late night......also everything else seems to be workin but if you can help please look me up on ps network and message me