My HL-DT-STDVD-RAM GSA-H20N is not erasing CD-RWs



My GSA-H20N is identifying CD RWs as ROMs, also my LITEON SOHR-5239V is having the same prob…what is wrong can u help me out folks? Plz. reply, a case of emergency!! :bow:
ALso i have noticed that my Record option in DVD and Cd drive properties have vanished! Is it connected to the upper mentioned prob.? I am uploading a pic,so u can understand.