Will not play blue ray or dvd

My ps3 does not read blue ray or dvd but plays games. when i play dvd the screen goes off but the machine is still on and when i play blue rays it does not read the disc. the machine is new and it did play dvd and blue ray. not sure what happened. please help...

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That is actually a poor conclusion. There are three different lasers, one for blu-ray, one DVD and one for CD games all in one holder inside. It certainly CAN be the laser. The description id the DVD/Blu-ray part is having focus problems. Contact Sony for a service center that can install a new drive (It needs to be calibrated on install)

Ps2 Games are not for the ps3.but the older ps3's will play them. With D.V.D.s this maybe a dust issues or the brand of dvd that your burning to.
PS3 has less Ram then the Xbox360 but the PS3 has faster Ram. PC Are The Way to go cheap, fast and easy to fix.

This is blue ray lens failure. this opticalAssembly has two separate reading lenses. there is one designated for Cd audio and CD_ROM reading and, the other is blue ray compatible. the blue ray lens in inoperable at this point. you will need to replace this lens assembly.