I've recently been having problems with my year old Lite-on SOHW-812S DVD-RW...it is unable to play any of my DVDs and cannot burn onto rewritable DVDs, yet it can transfer data onto a CD-RW without a problem.
This is a relatively new problem, I haven't altered the hardware configuration from when things were working normally, I have the latest firmware and the drivers are generic Win XP ones. The DVDs I use are in excellent condition (ie. no scratches, fingerprints, etc) and I've tried cleaning the drive with a DVD lens cleaner disk.
I believe there are two lasers within the drive, one for CDs and one for DVDs...is this correct? Are there any diagnostic tools out there that I can use to determine if the laser is "broken"? The DVDs play normally in a standalone player as well, leading me to believe there is something wrong with the drive rather than software.