Cleaning your LCD regularly will help you see the display asier.

Steps:

1. Get or make a cleaning solution:
   • Make a non abrasive cleaning solution. Dilute isopropyl alcohol (not rubbing alcohol, as it may contain oil) into a solution of no greater than 50% alcohol and 50% with distilled water / deionised water. Purified / bottled water works well too.
   • Alternatively, buy a cleaning solution that does not contain bleach, ammonia, or vinegar.
2. Power-off and unplug your writer.
3. Spray the cleaning solution onto a soft cloth, such as an old T-shirt, lint-free microfiber cloth, or other very soft cloth. A large cloth is best, since it will help to reduce the risk of leaving streaks across the screen from finger pressure..
4. Starting from the top, wipe the screen in one direction until you have cleaned the entire screen. Apply light, but distributed pressure. Repeat if necessary.
5. Allow to air dry.