[SOLUTION] Loosing WiFi connection on Ubuntu

Hi Guys, Would like to share how I solved my problem with loosing wifi connection on latest Ubuntu and RT3290 Ralink wifi card built into my ASUS laptop. After suffering for 2 days and multiple google searches, I found out that there is a power saving feature in Network-Manager, which is turned on by default. So, one of the posts I found suggested to switch off this power saving feature and this helped me. Now wifi is stable and I can continue learning TOP.
Two commands I used:
sudo sed -i ‘s/wifi.powersave = 3/wifi.powersave = 2/’ /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf
systemctl restart network-manager.service

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thank you so much, I had the same issue