Hl-dt-st Dvdram Guc0n Driver ✓
If the drive appears in Device Manager with a yellow triangle (!) or error code (like Code 19, Code 31, or Code 39), it is usually due to corrupted registry entries from uninstalling burning software (like Nero, Roxio, or iTunes).
Look for "DVD/CD-ROM drives." If you see the with a yellow exclamation mark, right-click it and select Uninstall device . hl-dt-st dvdram guc0n driver