Aug 24, 2015 I also had the problem that, after running Windows 10 upgrade, optical drive was not visible. First I checked the drivers and system said they were correct and up to date. I googled drivers for my particular drive HL-DT-ST DVDRAM GU10N SCSI and found a lot of sites that offered new drivers. HL-DT-ST DVDRAM GT30N SCSI CdRom Device Drivers Download. In our share libs contains the list..