Turn off your LCD screen to clean it. If you discover a stain while using the monitor, wait until you finish and turn it off. After a few minutes, you can proceed to clean.
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We can remove the dust that has accumulated on our LCD screen with a soft duster. Do not use dry clothes because you could scratch it or leave it even more lint.
In case the LCD screen has fingerprint marks, very normal if these are within reach of our hands, then we will need to clean it with a little alcohol. Dampen a cloth and gently wipe only the affected area.
Dust from LCD screens can also be removed with a cloth dampened in distilled water. Just wet the cloth, do not immerse it in distilled water as this could cause the screen to malfunction from prolonged contact with liquid.
If the LCD screen has grease stains or heavier dirt marks, it is best to clean it with a damp white vinegar cloth. Follow the above recommendations to avoid inconveniences.
Other chemicals should not be used. It's important to keep in mind that these screens are extremely delicate, thus any contact with substances like acetone, ethyl alcohol, ammonia, or others could result in permanent damage.
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Liquids should not be applied directly on the screen. Always lightly dampen a cloth and wipe with it, keeping it away from the screen edges to prevent liquid from getting into the screen.
Do not apply pressure. Whenever cleaning an LCD screen, do it gently because applying force can leave marks on the image.