Paint sticks to a variety of surfaces including plastics, wood, and even your touchscreen computer when painting an object too close to the device. The overspray or small droplets of paint dry quickly on an LCD or other type of touchscreen display. You want to remove the paint overspray using a substance that won't scratch or leave a residue coating on the screen. Once the overspray is gone, you need to wipe your touchscreen computer with a nonabrasive cloth to remove any fingerprints from the display.
Turn off and unplug your touchscreen computer.
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Apply 3 tbsp. of isopropyl alcohol (99 percent) to a nonabrasive cloth or rag. Wear latex gloves to keep your hands clean and dry. Isopropyl alcohol is found at drug, hardware, and home improvement stores.
Wipe the touchscreen and your computer's casing gently with the alcohol-soaked cloth. For stubborn overspray, reapply isopropyl alcohol and continue wiping the touchscreen/casing until the overspray is gone.
Mix 1/2 cup of mild dishwashing soap and 2 cups of warm water in a pot.
Dip the nonabrasive cloth in the soap mixture. Wring out excess. Wipe your touchscreen computer with the mixture-soaked cloth.
Rinse the cloth with warm water from the sink. Wring out the excess liquid and wipe the touchscreen clean with the damp cloth.
Dry your touchscreen computer with a clean, nonabrasive cloth, rag, or chamois.