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I've just upgraded to Windows 10 on my portable with Windows 8.1.
After that my WIFI connection stopped working. It seems like none of my adapters get an IP-address. It works fine with a cable.
C:\Users\jgauffin>ipconfig
Windows IP Configuration
Ethernet adapter vEthernet (Broadcom 4313GN 802.11b g n 1x1 Wi-Fi Adapter Virtual Switch):
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Ethernet adapter vEthernet (Internal Ethernet Port Windows Phone Emulator Internal Switch):
Connection-specific DNS Suffix . :
Link-local IPv6 Address . . . . . : fe80::b5d4:ebd2:5e33:d519%15
Autoconfiguration IPv4 Address. . : 169.254.213.25
Subnet Mask . . . . . . . . . . . : 255.255.0.0
Default Gateway . . . . . . . . . :
Ethernet adapter vEthernet (Broadcom 4313GN 802.11b g n 1x1 Wi-Fi Adapter Virtual Switch):
Connection-specific DNS Suffix . :
Link-local IPv6 Address . . . . . : fe80::d84b:c446:53e0:3171%9
Autoconfiguration IPv4 Address. . : 169.254.49.113
Subnet Mask . . . . . . . . . . . : 255.255.0.0
Default Gateway . . . . . . . . . :
Ethernet adapter Bluetooth Network Connection:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Ethernet adapter vEthernet (Realtek PCIe GBE Family Controller Virtual Switch):
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Tunnel adapter isatap.{BC651D0A-9D50-47F4-998D-4C75680C02BA}:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Tunnel adapter isatap.{2CE88CB0-0162-4372-96F3-E15F7359963A}:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Tunnel adapter isatap.{FEDAD4C5-EA1E-4CBB-A918-7A9EC3492D01}:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
I've made windows to forget it under the network settings and then connected again to see of that helped. It didn't.
I got a lot of virtual adapters, did they get screwed up during the upgrade? Would it help to remove those? If so, how?
1Reinstall wifi adapter drivers? or you can try to format and do a clean installation of windows 10 your PC will remain activated. – Chris.C – 2015-08-12T21:34:56.977
Which channel are you using? My laptop stopped to connect after the upgrade to channel 13. http://superuser.com/questions/982401/dell-n7110-unable-to-connect-to-ap-after-win10-upgrade/982483#982483
– András – 2015-10-05T15:41:55.413Reinstall the wifi drivers and reboot helped. @Chris.C: Add an answer. – jgauffin – 2015-10-05T19:18:43.027