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Dvd rom problems

Let me try this again i have a dvd rom that stopped playing dvds but is still reading cds can someone give me a logical explaination

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OK well you see the CD/ DVD's has TWO lasers, one for CD & another for DVD, Now they get burnt out, see if there are any scratches etc, on the disc, then the laser control will ramp up the current to try to "read" the faulty part of the disc, now, this increased current, over time will ablate the laser diode or quadrant detector. This, then, will become faulty, either one, or the other OR both. This is a real common problem happens all the time.. How many of us have "Pristine DVD's?"

Posted on Feb 03, 2010

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