Memorex's CD-r manufacturing plant is considered low-quality, believe it or not. Their media reflects this, although it comes in attractive packaging, not-cheapo price and widely distributed.
i also have problem with my cdrw drive but of somewhat different type
my cd drive is of LG company problem is that it is able to detect those types of cd which have white layerered reading surface & re-writable only and not able to read cd of any other type like moserbaer,sony etc i.e. cd s with normal surfaces my computer specifications:
os: window xp
ram: 512
processer: pentium 4
cd-rw drive of : LG