DVD burning problem

[Croombe F. Pensom]

I have been requested for more system details which follow :
I am running Fedora 10 on an Asus system using a Pentium E5200 dual
core. My CD/DVD is an LG Super Multi GSA-H55.
When I try to burn a DVD using K3b, I get a request to insert a blank
DVD into the drive : I do so but I still get that message and the
ability to continue is grayed out.
The curious thing about all this is the fact that I've used this drive
before now and successfully burnt DVDs (but maybe under an earlier
Fedora, I can't remember now!).
CroombeFP
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