My desktop computer operation system window xp cannot access internet after I format it. When I right click My computer and Hardware, Device manager, the ethernet controller show a yellow question mark...Normally I can use internet after I format it. So I download Realtek Gbe & FE Ethernet PCI NIC Driver and install but it shows "please shutdown and plug realtek pci card" So what I need to do to solve this problem. Sorry for my poor English...