Centrino Ultimate N-6300 slow to connect to Wi-Fi network

Wi-Fi connections from my laptop became unstable after I upgraded it to Ubuntu 19.04. To get them to work, I had to turn the Wi-Fi adapter on and off several times, which quickly became annoying. The following attempts to fix the problem were unsuccessful: disabling IPv6 disabling power-saving on the Wi-Fi adapter setting bt_coex_active=0 during […]

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