Home Forums Windows Help Wifi doesn't have a valid IP configuration Forum Rules | Contact Forum Editor | Report a Post Wifi doesn't have a valid IP configuration Kinrossian 10:49 11 Jun 2017 Locked Suddenly my Windows10 laptop won't connect to internets although several other pc's connect fine. Diagnostics gives message as per title. Any ideas please? Govan1x 13:52 11 Jun 2017 Check that your wireless card is a Dual wireless card if not it will only be able to use the 2.40ghz connection on your router. If it worked ok before have you installed a new router lately. This thread is now locked and can not be replied to.