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1. Make sure the optical computer mouse you buy runs on your computer's operating system. Most new computer systems handle almost any type of computer mouse. However, some older computer
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1. Look for a mouse that has a higher DPI (dots per inch) ratio if the user will be performing high intensity or rapid mouse work. Higher DPIs result in quicker, more responsive movement
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1. Turn the computer off and unplug the mouse from the computer. This is a safety measure. 2. Turn the optical mouse upside down and inspect the optical lens. If the lens has dirt
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