I followed the instructions at this post:
My wireless/WiFi connection does not work. What information is needed to diagnose the issue?My wireless/WiFi connection does not work. What information is needed to diagnose the issue?
and posted a specific question about intermittent (but consistent) slowness running Ubuntu on a Lenovo Yoga 2 Ideapad:
Why are wireless networks that work for other people super slow on my Lenovo Yoga?Why are wireless networks that work for other people super slow on my Lenovo Yoga?
Which now has a vote to close because it is too broad. I'm stumped. I encouraged someone to buy a Lenovo and install Ubuntu on it, which she did, and now she has the worlds crappiest internet connection and I want to help her make it work. I'm used to using Ask Ubuntu to help me make things work. What is the right way to ask for help troubleshooting a wireless problem in Ubuntu?