Just upgraded motherboard and processor, and now my Memorex 52x24x52 cdrw will not write at any speed (gets to 8% or 58% depending on number of file) then hangs. I'm force to reboot because cdrw drive locks up. When attempting to record the "used read buffer" indicator is at 100%. I am able to read cdrw's, cd's, (data and music) of any brand just not record. Recorder buffer is 2048kb, buffer underrun is supprted. Suggestions please.