DVD writer not working properly

[himanshu007]

i am having a LG dvd writer it is not reading the dvds.....and is reading/writing cds very well....!!on a whole it is functioning exactly like a cd writer...!!!! so please tell me what the problem.....??? and how to solve it....???

 

[Broni]

DVD RW drives have 4 lasers:
- CD read
- CD write
- DVD read
- DVD write
One, or both DVD lasers may be out.