My dvd drive is not reading dvds read cds

left click start in the lower left hand of the screen
left click run
type regedit
left click OK
Now the registry editor will come up
double left click on HKEY_LOCAL_MACHINE
double left click on SYSTEM
double left click on CurrentControlSet
double left click on Control
double left click on Class
double left click on {4D36E965-E325-11CE-BFC1-08002BE10318}
look on the right side of the window for upper filters
right click on upper filters
left click delete
windows will then ask you to confirm deletion
click yes
look on the right side of the window for lower filters
if you do not see lower filters, you may be out of luck on this one.
right click on lower filters
left click on delete
windows will then ask to confirm deletion
click yes
Close all the windows that are open
restart the computer

i dont have upper or lower filters on right side window what i do.......?

Bro its a very known error you have just one option clean lens of your dvd rom if it dosent work than you cant do nothing.