i've been successful burning DVD-Rs using Finder before but i tried burning an audio cd just now using itunes and this message came out: "The attempt to burn a disc failed. The device failed to calibrate the laser power level for this media." What does this mean? I tried it for about 5 times but the same message comes out. I just assumed that i bought a cheap cd-r that's why it won't work but i tried burning the same cd using my sister's macbook and it worked (audio cd using itunes). May sira ba itunes ko? I'm using a powerbook g4 by the way.