My laptop has a 4K monitor, while my external display is only 1920x1080. When I'm connected to the external monitor and I open Chrome it looks Ok. However, when I switch off the external monitor and try to work using internal one(4K) chrome icons look super small. My Chrome version is 56.0.2924.87, which based on the articles I found, should be able to auto-rescale and all that. What's wrong with it? Why is it so hard? Scaling is always such a complicated task on Ubuntu, when it works out of the box with zero effort on other OS.