Looks like your drive model is quite old.  Try the link below.
http://www.opendrivers.com/driver/21...-download.html
 
Hope the new firmware can fix it.  Use Nero Info Tool to check on the drive's current firmware first.
http://www.nero.com/en/Info_Tool.html
Caution: update/flash firmware at your own risk.  Don't come looking for me if the drive doesn't work after you update.  
