I have just installed an Emprex 16X DVD-ROM internal drive on my Compaq Presario PC. It has an originally installed DVD-RW working as Master. The new DVD-ROM was configured as Slave. The BIOS sees both drives okay. In Windows though, there are three DVD drives shown: DVD-RW Drive - E:, and two DVD-Drives - D: and J:. The RW drive still works fine. The DVD-ROM opens on its own, doesn't read disks and can't stay closed any longer than a second or two. The system view doesn't show any problematic devices or conflicts. DVD/CD-ROM Drives include:
-DVD-16X DVD-ROM BDV316G (newly added drive)
-Generic DVD-ROM SCSI CdRom Device (no idea what this is)
-LITE-ON DVDRW SOHW-16335 (DVD-RW drive)

What can be wrong with my PC? I don't think it's a driver issue, but perhaps you may know what the problem is.

Thanks in advance.