If your LCD monitor is not set to its "Native Resolution" the display will be blurry. Read your LCD monitor's user manual to select the best resolution for your screen. Check the cable connections.

How to calibrate resolution and scaling What you need to know: Your computer’s display resolution should always equal your monitor’s native resolution.

Incomplete blocking of light results in backlight bleeding. Do this to fix LCD Backlight Bleeding on PC monitor, before you take it to a technician.

Learn how to tweak your desktop or laptop display using free test patterns or the built-in utility in Windows or Mac OS X.