Windows 11 Wifi USB dongle capped at 140 or 70

  • Thread starter Thread starter AmazonAleksa
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AmazonAleksa

I have a Wifi USB dongle TP-LINK AC1300 (Archer T3U) which gives me on 5 Ghz 867 Mbps and on 2.4 400 Mbps. My router exposes both 5 Ghz and 2.4 Ghz. I was away for 4 weeks and when I returned home, Windows 11 wanted to update so I did but then suddenly the Wifi dongle wasn't able to find the 5 Ghz one, only the 2.4 Ghz showed up. Also it lowered its speed to either 140 or even 70 Mbps. I didn't touch anything because as said: I was away. The drivers are up to date of the Wifi dongle (latest being in 2019)

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