Some of my CD players won't play disks burned in my Acer 6206A CDRW. Disk brand doesn't seem to matter - CDs burned in other drives work OK. The players that don't work are new ones - a Rockford/Fosgate car player, a Sony ES cay player, and a Panasonic discman. Older players play my discs fine. Acer tech support doesn't have a clue.