big problem with a asus a7n8x deluxe and a cd writer msi



I've got a big problem with the writer. It don't work on my mother board and on the other yes. I've tried to upgrade the system nothing change.
SO for the french people here the post of what i tried
SO can you help me please the writer is model cw 4001 and i've upgraded the firmware to 120d.
thank you for your help