I load a DVD into it, then it says "Loading.." for a couple of minutes, and then it says "Bad Disc" when the disc has no scratches or smudges on it. It happens with all of my DVDS. I have only used it once, and it worked fine, and then the next day it started with this problem and has been like it ever since...
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You probably have a dirty reading head.
Try cleaning it with a DVD cleaner disc. (you can get them from wal-mart)
If that doesn't want to co-operate after trying to use it three or so times open the drive, remove the disc and shoot some canned air in the slot where the disc holder is in a sweeping motion.
Then try the cleaner disc again.
If it still won't work after that you can either buy another one or take it to someone that understands how to take things apart and have them clean it manually. (gentle singular motion with a cotton swab)
If that doesn't work have them adjust the resistance pots on the laser head a little lower (this would amp the laser up a little)
I should mention that if they aren't sure what to do and they lower the resistance TOO much then your laser will indeed burn out quicker.
that is the laser lens , it is dirty,
you will have to cleaned use a q tips with wood alcool
dont aply to much pressure on it while wiping it
its should works if it not
that is the laser it self replaced the laser assembly
hope that will help
there are two solutions to that,
firstly open the dvd and check that the disc in side is turning round. if not check the servo control on the card. if it is turning then check the second solution.
secondly, check the senser bulb if its caming on when the disc is turning. this also can be replaced.
thanks finding from fixya.
your dvd head (lens) is bad
(1) it needs to be cleaned by a special fluid puted in the cleaning disc or
(2)it needs to be adjusted because it lit vey low illumination (light) during detecting the details of the disc. and this need a qualified technician ot adjust the variable resistor port attached in the lens assembly unit.