I have the foll. CD drive: HL-DT-ST DVDRAM GSA-T50L SCSI CdRom Device, on my laptop. I understand from googling that the manufacturer might be LG.
When I insert a read-only CD, the drive is able to recognize the CD and play the songs on it. However, when I insert a RW (rewritable) CD, the drive does not recognize such CDs, and so cannot play or burn any songs.
The laptop is an HP Pavilion dv-6. Around 6 months ago, a hardware guy had formatted my earlier OS (Windows Vista 32-bit) since it was acting up, and had loaded up Windows 7 32-bit. I tried using the CD drive only now, which is when I discovered the problem.
I have another laptop (a Toshiba, with Windows 7 originally loaded) which can recognize both types of CDs - read-only as well as RW, and play the songs on both types.
I have tried the various solution options put up by Microsoft on this link, but none of them have been able to solve the issue. http://answers.microsoft.com/en-us/windows/forum/windows_other-hardware/my-disc-drive-wont-read-discswhat-should-i-do/676c416a-e350-e011-8dfc-68b599b31bf5
Hope to get a solution in this forum.