I have this problem , my laptop doesn't wake up from sleep . Usually Ubuntu was handling this very well but I did a clean install of 16.04 today(I had windows 10 on it before) and I am stuck with this problem. The os is updated and all that. I have a amd graphic card in my laptop if it can help you.
1 Answer
I had the same issue with my Dell with ATI grapics. I installed the 4.4.8 kernel release and fixed sleep and flaky wifi issues.
To check if you have older kernel:
uname -a
Steps to install 4.4.8 kernel: http://linuxdaddy.com/blog/install-kernel-4-4-on-ubuntu/
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To be honest, I will go back to 15.10 since the graphics are glitching and consuming too much battery. Youtube causes 100% CPU usage for firefox. May 23, 2016 at 9:43