Getting Started 2-15Routine CleaningClean or dust your system as follows:Never use harsh solutions, household cleaners, or spraycleaners that contain caustic materials on the NEC Versa computer.These cleaners are usually high in alkalinity which is measured in pH. Using thesecleaners can cause the plastic surface to crack or discolor.! LCD screen — Carefully wipe the LCD screen with a soft cloth or a screen wipedesigned for that purpose. Special screen wipes are available through your localcomputer dealer.! System case — NECC recommends that you carefully wipe the case with a slightlydamp, almost dry cloth.