LG GSA-H21L DVD Read Problem

[qanda]This thread is about the LG GSA-H21N. Click here to see full specs[/qanda]hi ,my lg gsa-h21l dvd/cd writer doesn’t recognize any dvd (empty and/or full of any kind).i try to update the original software from hp but it doesn’t work,i can only read and burn cd’s.
my pc is a hp desktop win xp proff. sp3 installed,conf. is amd athlon 64x2 dual core3800+ 2.00 ghz 2 gb ram and up to date.
just a few months ago i installed nero and i guess than the problem started.
any advice will be highly appreciated…

Try to boot from a bootable dvd.

If it fails, the dvd part is dead.