Hi guys my ethernet port stopped working and I was wondering if it's possible to replace the LAN card on this laptop.I couldn't find the model it's using or any information whatsoever.Would greatly appreciate any help. 

Hi guys I am an owner of a g551JW with a 960m and i7 4750hq.My issue is that after countless driver reinstall and 2 clean windows my Direct 3D Acceleration (which can be seen in Dxdiag) disappears.For example when I install the nvidia driver and the...