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I bought an MSI B550M PRO VDH WIFI motherboard and I installed an Ubuntu 22.04 distribution on it. Everything works fine, except WIFI which has a very slow speed. I have tried to this answer, but it didn't work for me.

Output of dmesg | grep iwl

[    6.978615] iwlwifi 0000:29:00.0: enabling device (0000 -> 0002)
[    6.979005] iwlwifi 0000:29:00.0: Direct firmware load for iwlwifi-3168-29.ucode failed with error -2
[    6.979436] iwlwifi 0000:29:00.0: Direct firmware load for iwlwifi-3168-28.ucode failed with error -2
[    6.983328] iwlwifi 0000:29:00.0: loaded firmware version 27.541033.0 3168-27.ucode op_mode iwlmvm
[    7.097725] iwlwifi 0000:29:00.0: Detected Intel(R) Dual Band Wireless AC 3168, REV=0x220
[    7.115641] iwlwifi 0000:29:00.0: base HW address: 7c:50:79:2e:c3:0e
[    7.145564] ieee80211 phy0: Selected rate control algorithm 'iwl-mvm-rs'
[    7.147387] iwlwifi 0000:29:00.0 wlp41s0: renamed from wlan0

I would like to know if this issue has a solution or not. And if it hasn't, does a USB Wi-Fi adapter is a good idea to use instead of the built-in Wi-Fi.

Oussama He
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  • Please check my trouleshooting steps here: https://askubuntu.com/questions/1353705/ubuntu-20-04-wifi-keeps-dropping/1353723#1353723 – chili555 Aug 04 '22 at 20:03
  • @chili555 we have different issue, I have connection, but it is very slow. It doesn't reach the speed that I have in other devices. – Oussama He Aug 05 '22 at 07:45
  • Many of the techniques also help with speed, especially seperating the 2.4 gHz and 5 gHz segments as well as fixed channel and WPA2 and never TKIP. – chili555 Aug 05 '22 at 13:29
  • @chili555 Now it is worst than before. Before it did not drop, now it keeps dropping and has a very very poor wifi speed. – Oussama He Aug 06 '22 at 08:26
  • What did you change? May we see, in an edit: nmcli device wifi list Please redact the MAC addresses with xxxx. – chili555 Aug 06 '22 at 12:54

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