I've never had any problems with this drive until a couple weeks ago. Now, before I burn anything i have to restart my computer first. If i don't restart first it will burn for a little bit, about 10 to 40% then the drive starts spinning really fast and loud. It will just do that until i do a hard restart. I've wasted about 40 disc due to this problem. I've only ever used sony discs. any suggestions?