ACER EXTENSA 5420 5520 AMD Motherboard MB.TKT01.002   powers on but shows noting on the screen. Selling AS IS     Comes with no warranty   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.    Exact item pictured --