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Network issue. Wifi drops minutes after login. (DNS timeout)
Hello, everyone.
The wifi connection drops let's say 1-2 minutes after login. The net icon in the tray doesn't change mode from connected to disconnected, so you don't know exactly when it happens. More, it happens with ANY wifi connection (not only the one in my house). I took a look to the event viewer, it talks about a "DNS Client events": No DNS server answered (Timeout in name's resolution). Usually, after reconnection, the wifi is stable, but it drops again if I connect from sleep mode.
Everything began after update to a new build (1903, I guess; I'm using 20H2 at the moment, same problem)
It didn't happen with build 1511.
I have a Lenovo ideapad Yoga, with a Realtek RTL8723AU Wireless adapter.
I tried, without success, all the following:
- whole network reset
- adapter uninstall and reinstall with drivers taken from Lenovo
- reinstall Windows
- others that I don't remember
Actually I'm giving up with that because I really can't find any solution, so any suggestion is very appreciated.
I also thought about this workaround: is it possible, at Windows start, to launch a batch file that automatically, after 1 minute, disconnect and reconnect the network adapter? If yes, can someone help?