DVD part of burner/player won\'t work (Lite-On SOHW-1633S)

[qanda]This thread is about the Lite-On SOHW-1633S. Click here to see full specs[/qanda]Unit will play cd’s but not DVD’s. Installed latest firmware, no help. While attempting to burn, unit cannot see media.

Sounds like a partially dead burner. DVD laser for it may have gone bad.