WiFi Link 5100 AGN Wireless MINI PCI-E Card USE FOR INTEL 5100 AGN 512AN_MMW 802.11a/b/g/n 2.4GHz and 5.0GHz 300 Mbps Wifi Link 5100AGN 512AN_MMW 300Mbps Mini PCI Express Card Only use for Half MINI PCI-E interface, Do not use for NGFF interface Do Not USE for IBM/ LENOVO / ThinkPad & HP laptops,Do not use for AMD CPU Do not use for Desktop Computer Pci-e x1. If use WIN8, WIN8.1, WIN10 when could not search the wifi signal, please use the adhesive plaster to stick the twentieth finger of the wifi card to obtain the wifi signal. ( Please see the product display)