Sony DVP-NS50P DVD Player "blu ray saying disc" Questions

When I place the disc in the Blu-ray it says "reading disc" then it say "No disc inserted" try a dvd cleaner/if not open it if you can see the lazer give it a wipe with cotton/might be dust

Blu-Ray BPD-S1 Blu-Ray player suddenly says "no disc". I have insertsd discs that have previously worked and on the advice of Kevin 000 (one of your techs) I bought a lens cleaner to no avail, it ...

...blu ray discs only dvd Are you playing original blu ray disc? Is your player capable of reading multi-format. Read your manual for troubleshooting. If that won't help. Try to play original blu ray or ...

...blu-ray and it just says cant load disc please check disc. disc is brand new , i checked it anyway and its fine, i updated my firmware and it still does it :( blu-rays never work right looks like im ...

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...blu ray disk will not load It keeps When I try to put start a disc in my Sony SB-301 Blu-ray, I get a message that says no disc. I have reset it and unplugged it and nothing changes. I have tried ...

...Ray says "no disc" all types blue ray or other. I tried turning it on an off several times, unplugging several times. Tried may types of DVD's. clean lens with cotton..extra care not to touch with ...

when I put blu ray dics in player it says check disc on everyone I put in but plays ordinary dvds?. It also says errors when blu rays are inserted. Sounds like its not a blue ray player. any more info

...Blu-Ray player now rejects valid discs as "invalid" I had been using this Sony Blu-Ray player uneventfully for a year or two, when it suddenly started rejecting playable Blu-ray discs, including ones ...