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LCD monitors are flat-panel screens with a fragile matte finish that ripples if you press on it. Most laptops also have LCD monitors. Try using a dry anti-static or soft, lint-free cloth, such as microfiber. Never use paper towels, tissues or other wood-based products because they can leave scratches and tiny bits of fiber behind.
Wipe the screen from top to bottom without applying pressure. You want to push the dirt off, not just smear it around.
If the screen is still dirty, check your owner's manual to see what the manufacturer recommends for a liquid cleaner.
For a gentle wet cleaning, slightly dampen another clean cloth with distilled water. Regular tap water can leave a mineral residue that builds up and can damage your screen.
If that doesn't do the trick, try dampening a fresh cloth with either a weak solution of distilled water and white vinegar, or a weak solution of isopropyl alcohol and distilled water.
Immediately dry the screen with another clean cloth. - Plasma screens are more often found on TVs than computers, but if your computer has one, follow the LCD procedure, but use a cleaning fluid specially made for gas or plasma monitors. Never use alcohol.
- Cathode ray tubes use glass screens and are more common on older computers. You can use a weak window cleaner, but spray it on a clean cloth and not directly on the screen. Wipe as you would an LCD monitor.
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Never clean any screen with an abrasive or ammonia-based liquid because it can turn the screen brittle or even crack it.
Don't forget to clear dust from the air vents on top. Use a computer vacuum or hand-held vacuum. Clogged vents can cause your screen to overheat.
Use fresh cloths for each cleaning so old dust doesn't cause scratches. Disposable anti-static cloths are inexpensive, and you can buy them pre-moistened specially for screen cleaning.
Never apply liquid directly to a screen because it can damage the surface or drip and ruin the electronics.
