check your DMA and make sure they're not in PIO, OFF or Not Available. Use the guide to "uninstall" and bring back DMA. Best of luck!!
thanks ..dude... uninstalled the driver....im able to write the dvds fast now... again there is a problem...every time while restarting the pc..it showing...that it had found a new hardware....and looking for driver...im having another problem.. im able to copy data from harddisk to portable harddisk..but not able to transfer the data from.. portable harddisk to haddisk...........its taking a very long time....... help me dude.....