LG GSA-4163B Problem

Hi all, i have a problem, i bought an HP DVD+RW4X and my lg gsa4163b wont even read the dvd, ive updated the firmware to A105 version, and still have the problem, any idea on how to fix this problem??
Thanx

By the way, i dont have alcohol installed…
And also the DVD+rw has already data in it…