Question about LG DVD & Blu-Ray Players

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Wont play dvds, only cds, music and photos when dvd placed in tray, goes through reading process, then ejects tray with an on screen message, unknown disc! With all discs not a certain few. when a blank disc is placed in tray,, the menu wont allo me to finalize disc for recording as it has a highlightd menu available and it to is ejected,, please help,, frustrated

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  • maccafamily Jul 21, 2008

    Dvd has worked with no problems with any disc used, just recently just ejects when the dvd disc is inserted and a message comes up disc unknown, plays cd audio and photo discs fine,, thanks

  • Peter VanderStoep
    Peter VanderStoep May 11, 2010

    Did it ever work? Are the discs your trying originals> or possibly copies?

    Have the unit exchanged.


  • edontheroada
    edontheroada Mar 15, 2012

    i have the same problem - i have tried inserting a cleaning disc but the reader doesn't recognise it - comes up 'unknown disc'! - wondered if there was a way of resetting the laser on the machine .. like a restore factory settings - but can't find anything that will do it

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DVD & CD use different wavelengths for the read head. I suspect that the blue laser is out of alignment or otherwise in need of repair.

PhotoCD is a format.

Posted on Jul 22, 2008

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