Tuesday, January 10, 2017

Fix wifi problem in ubuntu 16.04

This is when wifi is randomly lost, sometimes after suspend. Source HERE.

To see your wifi card model do:

sudo lshw -class network

I get:

-network             
       description: Wireless interface
       product: RT5390 Wireless 802.11n 1T/1R PCIe

In this case open or create /etc/pm/config.d/config and add SUSPEND_MODULES="rt5390"


Then, in terminal:


echo "options rt5390 fwlps=N" | sudo tee /etc/modprobe.d/rt5390.conf


Reboot.

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