Getting disk err/unable to read msg w/all disks. Disk put in right way..cleaned/no dirt or grease. Did what manual said to do. Not working. Should I take it apart to check anything inside?

this could be aproblem with the lens which is unable to read the disk. this could be caused by accumulation of dirt on the disk sensor. open up the cover of the dvd player to access the lense and clean gently with a lense cleaner(a liquid purposely meant for cleaning the lense) apply this liquid on a soft piece of cloth and clean. close back the cover and power the dvd player it should now be able to load the disk

hii there,

Please also let me know if u get any error msg too. If dont get any
error msg. Please try to clean compartment of ur CDJ. But you have to open ur CDJ than clean it. If it does not work again. Then ur
CDJ need adjustment or alignment.

thx,

djajay

Your best bet is to clean the lens with a commercial lens cleaner for DVD/CD. If that doesn't work the problem could get more expensive to repair, and since DVD players are cheaper to buy (some) than repair, you might want to consider that as an option.

Try using a DVD lens cleaner in your X-box, this will remove any dirt or dust on the lens. I also recommend trying a few games in case you may have a faulty disk.

Probably the laser unit is bad / defect.

HI.This will occur when the optical assembly becomes unstable. this ((Whole One Piece)), assembly incorporates the spin/load motor, optics housing /arm, tracking device and tracking rail. This is connected to the loading dock assembly. This 'NO Disc' or CD NOT PLAYABLE, code is the result of a failed or burned out lens. It is possible that you have a dirty lens cap. you can try using a cleaning disk in this case to confirm actual lens failure. if the cleaning doesn't restore normal reading capabilities, this will confirm my diagnosis.

You will need to have the optical assembly replaced in this case. once replaced, your unit will be able to read and track once more.


CLICK HERE TO ORDER YOUR NEW REPLACEMENT DRIVE(ROM)

"Unable to read the disc" / "Disc could not be read" / "Eject the Game Disc" Error Message.
If you are getting one of the above error messages:

• Ensure that you are properly loading a Game Disc.
  • If your console is placed vertically, the disc label will face to the right.
  • If your console is placed horizontally, the disc label will face upwards
  
  
  
• If you know you are inserting the Game Disc correctly, but are still have the same problem with only one game (or if you only have one game), try cleaning the Game Disc by following the disc cleaning procedures
• 
  If after reading the above information you are still unable to play a game disc, please call 1-800-255-3700 to discuss available options.

:)

The problem of reading, insert disk, is that the mechanism of the player ....the problem is not on the lens its in your player mechanism. I suggest you that, in the mechanism which the lens are moving if u see a roller that is the problem and its already in dirt and dust..u better clean that by using a lighter fluid and then take the old grease change it with new one with good quality..after that it will be okay.

PUT AN CLEANER DISK INSIDE(DISK WHICH CLEAN OPTICAL PATH INSIDE)-YOU CAN OBTAIN IT FROM NEAR RADIO SHACK.
PUT AN GOOD CD AND TEST.

Most likely the dvd is dirty, scratched, or chipped. Try cleaning the dvd disk with a soft cloth (chamois works best). Look at the surface of the disk and if it is scratched lightly, dust and dirt particles, fingerprints, etc will cause refractions from the laser light in the dvd player, which is then read as an error by the dvd player. Cleaning it with a soft cloth will sometimes help.

If that does not work, hold the disk up towards a light source and look for light coming through from the other side. If this happens, the disk is unreadable and unrepairable as the data source has been corrupted.