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I recently have started dual booting my work laptop with Kubuntu 21.10 and Windows 11 and for some reason the WiFi signal when running Kubuntu is extremely poor and near unusable. I am experiencing around 0.2MBps compared to about 20MBps from my phone and when running Windows in the same room.

I have a Dell Vostro 15 7510 laptop and my WiFi chip is the Tiger Lake PCH CNVi WiFi. I am running Kubuntu 21.10 with Kernal 5.13.0-46-generic.

I have tried some suggestions I have found, such as changing my MTU settings to 1492 (it was at 1500 by default). I also disabled the power saving settings and secure boot. These solutions were outlined both here and here.

I'm a bit stumped as to what I should try next. Any help would be greatly appreciated.

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Thanks for the recommendation to upgrade to 22.04. I just ran the update and this managed to fix everything. Glad this worked out! Thanks again