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netgear 2 ban adapter 5 GHz broken-2.4 Ghz is fine after 1809 update
I have a Dell XPS 8500 desktop that after the 1809 update my WNDA 4100-N 900 wifi adapter has become useless on the 5 GHx side. 2.4 is still fine. Initially after the update the 5 side would connect but would fade out. I had no problems before the update. As I said 2.4 works fine and is still working fine. I have reinstalled the Netgear drivers, I have a TPLink AC 1900 router that I reset to factory then re-put my settings into it. Didn't help.
I then did something I now consider to be really stupid, I reset the computer. Reinstalled my programs, but it did not fix the problem. I could connect using the 5 GHz but it was super slow, sometimes could not even connect. Using InSSider Home I notice that there were quite a few people on my channel 36, so I switched to 40. Now it would not even connect. The 5 GHz side works fine on my phone, but on the computer, no way. I have no other way to check it. Thanks in advance for any help.