I have a HP G7-2325-dx laptop running on Xubuntu 16.04LTS. Wifi is a Ralink RT3290.
My problem is that my wifi drops on its own and a window pops up asking for my wifi password which is already entered and starred out. I press enter and it reconnects. It doesn't seem to happen for any particular reason, just when I'm browsing the web or doing unrelated/offline stuff.
Here's some wifi output: