Dvd drive not reads dvd

Try this way :
If your drive reads cd's, but not dvd's That indicates that the hardware works fine. You will need to edit the registry in order to fix this problem.
1) click the start menu
2) click on "run"
3) type "regedit" and click ok
4) go to string key "HKEY_LOCAL_MACHINE\SYSTEM
\CurrentControlSet\Control\Class\{4D36E965-
E325-11CE-BFC1-08002BE10318}
5) delete "upper filters" and "lower filters in the right
side window.
6) right click my computer in the start menu.
7) click properties
8) go to the hardware tab
9) click device manager
10) expand the dvd/cdrom drives
11) right click the dvd rom and click uninstall
12) restart computer
after restarting, windows should automatically install
a clean ROM drive and it should read DVDs just fine if
you have the correct DVD decoders