Can burn CD-R/DVD-R but not CD-RW/DVD-RW

view full story

http://www.linuxquestions.org – I have a DVD burner in an external USB enclosure. It works fine for reading CDs and DVDs, and for burning DVD-R and CD-R discs, but I can't get it to write to any CD-RW discs, and rarely DVD-RW. (The DVD-RW has worked maybe 3 or 4 times out of dozens of attempts, and only using K3B) I have also had the same problem burning CD-RWs in a CD burner in a different USB enclosure. Brasero almost always displays 'No disc available' if a rewriteable disc is in the drive - sometimes after a couple of minutes it will display the correct volume label, but if I try to write to it, either blanking it or (HowTos)