My brand new netbook is acting weird what can i do about this?

[luckyfish]

I just buy netbook (http://www.laptopspark.com) from amazon and only have had it for 3 days. It's should be new netbook (http://www.laptopspark.com). It works fine but while on the internet the screen zoom level keeps changing on its own. At first i thought it would adjust based on the site but If im on a site for a long time reading an article it zooms in and out every other minute. its starting to get really annoying. anyone know if there is something i can do to fix the netbook (http://www.laptopspark.com) before i have to call amazon? im just really avoiding having to send it back. Not sure if this matters but its an EB 2010 model with windows 7

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Laptopspark.com

Dell Inspiron 10 10.1" Netbook (http://www.laptopspark.com/products/Dell-Inspiron-10-101-Netbook-laptop-22.html)
Dell Latitude 2110 10.1" Netbook (http://www.laptopspark.com/products/Dell-Latitude-2110-101-Netbook-laptop-21.html)
Dell Mini 1012 10.1" Netbook (http://www.laptopspark.com/products/Dell-Mini-1012-101-Netbook-laptop-13.html)
DELL Inspiron Duo 10.1" Netbook (http://www.laptopspark.com/products/DELL-Inspiron-Duo-101-Netbook-laptop-15.html)
DELL Inspiron Mini 1018 10.1" Netbook (http://www.laptopspark.com/products/DELL-Inspiron-Mini-1018-101-Netbook-laptop-18.html)

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