The WiFi on my laptop (Lenovo ThinkPad T410) won't wake up properly when I bring the computer out of suspend. The Networks widget claims that there is a connection but shows no data going in or out. The "ip a" command shows that wlp3s0 has acquired an IP address, or at least remembers the old one. Below is a list of things that sometimes fix the issue:
However, the only sure way to regain WiFi is to reboot the machine.
The WiFi has been kind of flaky ever since I installed 16.04 some months ago, but it has gotten somewhat worse after updates. I have all the latest updates installed. On 14.04 I didn't have any WiFi issues on this same machine.
- disconnecting and reconnecting to the WiFi network
- disabling and re-enabling WiFi using the Networks widget
- restarting networking from the command line "sudo systemctl restart NetworkManager"
- suspending and waking the computer again
However, the only sure way to regain WiFi is to reboot the machine.
The WiFi has been kind of flaky ever since I installed 16.04 some months ago, but it has gotten somewhat worse after updates. I have all the latest updates installed. On 14.04 I didn't have any WiFi issues on this same machine.
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