Answer Best answer as chosen by user lcristia
Do you have Aero working?
Windows 7 Aero makes headers, side edges and bottom edge translucent, so that the Desktop background image shows through. When a window is maximised, the side edges don't show this transparency, but the top and bottom still do.
Is this what you are seeing? If so, open Display Properties, (right click any empty part of the Desktop, select Properties), then at the bottom select "Windows Color".
On the next page you will see "Enable transparency". Disable that if you wish. Or, adjust the slider to to make the borders more or less transparent as you prefer.
Does that help?
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