Slow and unstable WiFi

[Arrababiski]

You can try disabling wifi MAC randomization. Create /etc/NetworkManager/conf.d/disable-random-mac.conf and paste this code inside:

[device]
    wifi.scan-rand-mac-address=no

Then restart. In my computer MAC randomization active means a lot of disconnections.

If this does not work, try disabling powersave:

Wifi random disconnects after update

After not doing updates for a while (being too busy to risk any update issues) I did a huge system update a few days ago. That included jumping from kernel 5.15 to 6.3.5-2 and down to 6.2.16-2. (Turned out ZFS was not yet supported in 6.3.) After sorting out quite a few issues, I’m left with one issue I can’t figure out: After using the pc for a couple of hours, the WiFi connection starts dropping for a couple of seconds every few minutes. If I reboot, the wifi works perfectly for an hour or t…