Just the one optical drive. Yes, the option to use the burner is greyed out, unable to be clicked on.
The drive reads/writes fine in other applications (succesfully copied the output file from previous exercise to DVD using Easy CD/DVD creator).
It is only today that I have had this problem!!! After first encountering it, I updated dvdfab gold to ver 184.108.40.206 (previously running ver 220.127.116.11) in the hope of a fix, but to no avail.
I have tried two different DVDs as source to see if this made any difference, but no....