Poor WiFi performanc​e of Yoga 2 11?

I have just purchased a Yoga 2 11 and find that connectivity is poor (zero to two bars) and unreliable (occasionally reverting to a yellow exclamation point)  in my favorite thinking chair. I get reasonable performance at the same location from other machines including a T420, a Nexus 7, and an IPad. After reviewing some community forum fixes for the presumably Yoga 2 Pro, I have checked to ensure that I have the most recent driver; that I have turned off bluetooth; that I am not using protected sharing; that windows is not managing the wifi Plus I have installed on the order of 33 windows updates (a pretty large number considering this is right out of the box on the first day of availability!). Am I missing anything or is this a problem related to something unfixable like the antenna design? Other potentially connected diagnostic information is that some sites e.g. zillo do not load quickly behave very smoothly, even in locations with more than one "bar" of wifi connectivity. Thank in advance for any input.

I see the same poor wifi connection when comparing to my old laptop and to my Galaxy S4.  I updated the driver but it did not help (think it was the same one).  I have a week left for no hassle returns and if this cannot get resolved I think this unit has to go back.
anonymousscreen wrote:
I have just purchased a Yoga 2 11 and find that connectivity is poor (zero to two bars) and unreliable (occasionally reverting to a yellow exclamation point)  in my favorite thinking chair. I get reasonable performance at the same location from other machines including a T420, a Nexus 7, and an IPad. After reviewing some community forum fixes for the presumably Yoga 2 Pro, I have checked to ensure that I have the most recent driver; that I have turned off bluetooth; that I am not using protected sharing; that windows is not managing the wifi Plus I have installed on the order of 33 windows updates (a pretty large number considering this is right out of the box on the first day of availability!). Am I missing anything or is this a problem related to something unfixable like the antenna design? Other potentially connected diagnostic information is that some sites e.g. zillo do not load quickly behave very smoothly, even in locations with more than one "bar" of wifi connectivity. Thank in advance for any input.

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