the invention relates to a method for disinfecting display screen surfaces of electronic devices . mobile communication devices , especially those which a reused in the medical sector , have plastic surfaces , often in the form of display screen surfaces . these surfaces cannot be disinfected with conventional alcoholic disinfectants . the disinfectant used in this invention contains a mixture of ethanol , 1 - propanol and 2 - propanol , an antimicrobial , amphoteric surfactant and water . this disinfectant enables effective eradication of microorganisms such as fungi , bacteria and yeasts , and has the further advantage of being compatible with the materials of the surfaces .