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Open Screen Resolution by clicking the Start button
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Click the drop-down list next to Resolution, move the slider to the resolution to Recommended, and then click Apply.
Hi and Welcome to Just Answers, My name is Denise.
I see you have set your display several times and they are not responding can you give this a try and let me know if it helps. In windows 7 there is also a way to enlarge your screen resolution for people who are having trouble seeing the screen. Try this and see if it fixes the problem ok. Go to start, control panel, ease of access, and choose under the ease of access center, optimize visual display. It should be the third choice down on the list "make things on screen larger" choose the blue-change the size of text and icons. when you choose this the control panel and personalization screen comes up but this time you can choose: Set custom text size (DPI) open this use the scroll down to change it to 150% hit ok and close. Hit apply on the easy access screen and give it a try.This should lock the settings to the correct print on the screen.