sorry for long delay ... but testing ....
I have reinstalled windows --> no result
cant burn my dvd (memorex dvd-r x8) with 8x speed (only 4x)
with CDVDInfo v1.24 --> i have this -->
My Memorex Dvd-R X8 (burning about +100 with pioneer a07 x8 speed)
New SONY Dvd+R X8 (recognized at 8x speed and burn now at 8x speed)
How can plextor px740 can recognize my memorex at 8x ?? (dvd-r)
(i have firmware v1.01)