Gma-4080n Will Not Burn!



Hi. I have a brand new gma-4080n dvd writer for my laptop but it wont burn dvd’s. It will read and burn cd’s ok and also read all types of dvd disks that i throw at it but will not burn any type of dvd!
I have tried nero and alcohol to burn iso’s and data disks but they dont seem to be able to see the disks that are currently in the drive?
Any ideas guy’s???