questions re kubuntu 15.10 on "high"-resolution laptop.

[robert]

Hi there,

I just installed  kubuntu 15.10 on my dell xps15 wich has a 
"retina"-like 4-k display.

Now I have two questions:
1. I can not log into the net, and I do not find any way to configure 
the network (both wireles and wired). Where do I find this settings?
     I found how to set a internet proy, but not how to set the ip address..
2. How can I scale UI?
     I found "scale display" in the system setting. But this only sales 
the content of opened windows, but not the UI.. How do I scale the UI 
elements?

thanks
Robert

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