please post output:
lspci | grep -i network
Then the first numbers at left, in this format: xx:xx.x (ex. 0c:00.0, 0f:00.0, etc) use them and type:
lspci -vvs xx:xx.x at the end you can see what driver the kernel is using (the -vv is a doble "v" to be very verbose)
Post it.



