AMD MotherBoard For Acer Aspire 5050 31ZR3MB0030           It powers on but shows no video on the screen or external monitor.     Comes with NO warranty  =--- please look at the picture carefully and make sure this is the part you need.     We do our best to describe items as accurately as possible, but mistakes happen. If you receive this item and feel it's not as described, please contact use first to resolve. We are customer friendly and your satisfaction is our priority.