Touch screen monitors are both input and output devices as they receive and display information from one peripheral device -- the monitor screen without the use of a mouse or keyboard. They are used in a variety of different applications such as point of sale (POS), cash registers and ATM machines. Touch screen monitors are very sensitive so proper cleaning and maintenance is of utmost importance to maximize their performance and prolong their life.
Turn off the computer and touch screen. This will enable you to see everything that needs to be cleaned. Some touch screen applications have a cleaning mode which turns off the screen for the specific purpose of cleaning. However, the monitor's brightness can make you miss some areas.
Wet a soft, lint-free or microfiber cloth with distilled water. Wring out as much water as you can. Make sure the cloth is damp but not wet. Wipe the screen in a gentle motion to remove dust, oil or fingerprint smudges off.
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Use a screen cleaner kit that includes antistatic wipes. You can buy this at various electronic or online stores. Spray a little solution on a wipe then rub it gently across the screen.
Finish cleaning the touch screen with a dry lint-free cloth to wipe any excess moisture, then turn it back on.