I have a Quanta SBW-161 CD-RW/DVD-ROM drive in an off-brand laptop that was given to me. Only problem is...the blasted thing will only write info onto writeable CDs, but it won't read. When I insert a disk, it can tell me that it's a CD or a DVD, but it shows no information for the disk. Please help, I lose alot of functionality without that drive, and a new one looks to be fairly expensive. Thank you.