asking about your produdct
One thing you should do is to check the drive and make sure it truly LS enabled.
This is FAQ 67 in the Knowledge Base:http://www.lightscribe.com/support/kb_searchResults.aspx?question=drive&topicid=
HP has screwed one Forum User for almost 6 months to straighten out the problem caused by a mis-indentified drive in their Parts Database. They could have installed this drive in your system. The drive didn't have an LS Sensor, but had the LS "swoosh" on the front of the drive.