Clic dreapta pe computer\properties\device maneger\la DVD/CD-ROM drives clic dreapta pe Optiarc DVD...\properties\driver\clic disable apoi enable.Tot nu functioneaza clic pe update driver.
Uite cum arata in divice manager si in bios nu stiu ce sa ii fac... http://imageshack.us/photo/my-images/203/m2n9.jpg/