LCD screens are not like TV or the older pc screens that typically came with your pc. LCD screens are sensitive to cleaning products, and require special care to avoid burning out the pixels.
If you don’t know any better, and without thinking, you might think Windex or plain tap water will do. However, Windex contains ammonia, and tap water contains dissolved salts and minerals. You will most likely just wind up with smears.
There are LCD cleaning kits out there, but they’re expensive. Distilled water is safe to remove dust, but does not do a good job to remove greasy stuff, like fingerprints. As we would have a tendency to apply pressure to the screen for the hard to remove smudges, this too can fry pixels.
There are 2 home remedies that are good to use. Some people recommend 72% isopropyl alcohol or vinegar. Vinegar is probably the best of the two. Mix a 50-50 solution of either with distilled water. If your using alcohol, make sure its 72 percent, as other strengths can cause damage.
The cloth you use is important. Do not use paper towels, as they are made of wood and tiny wood particles can scratch the sensitive screen. It is best to apply your mixture to a soft, preferably microfiber, cloth.
Make sure you have adequate ventilation before starting. Don’t spray directly on the screen, as the liquid could run down between the screen and frame, and come in contact with wires that can lead to an electrical shortage. Moisten, don’t soak the cloth with the mixture. Gently wipe the screen and wipe dry with another microfiber cloth. It is not recommended to reuse the cloths, due to the potential for scratches.
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