DVD-RW drive burns music CDs and DVDs, but not...

Question

I've had this problem with two different DVD-RW drives. If I try to burn a data CD, I get, "There is no disk in the drive." My computer recognizes the drive as a DVD-RW drive. I have Windows XP. The computer came with a Toshiba SD-R5002 drive and I installed a Pioneer DVR-115D. Removing the high and low filters in the registry didn't help.

Any ideas?