When i insert a dvd into the player it is not reading the dvd and no disc is coming up on display screen

If this problem occurs only at this dvd it's a disk problem. If it occurs on various disks try using a dvd cleaner set, a wet one for better results. Follow the instructions on the set. The main idea is to put one drip of the included liquid at the set (usually isopropyl alchohol) at a specific place (like small brush) on the disk surface and play this disk. That way the "brush" will clean up the laser lens and after that the cd/dvd player will be able to read the disks. BE CAREFULL not to put too much liquid on the "brush".

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