A: No. This is a laser degradation issue. The Blu-ray laser (wavelength 405nm) has burned out. Replace the drive.

The driver works, but the drive refuses to play DVDs. Matshita drives have a limited number of region changes (usually 5). Once locked, the drive appears dead.

: Search your laptop's specific support page (e.g., Sony Support or ASUS Support ) for "Optical Drive" or "Firmware" updates.

Restart your computer; Windows will automatically reinstall the generic driver upon reboot. :