How to remove a computer display screen and on the dirt?

I would like to know how to remove a computer display screen and on the dirt?

City computer to buy a bottle of professional cleaners on the line , Or with fine cotton cloth to clean Zhanshui can! + Sponge with the cleaning agent solid vehicle kind of rubbing on the line to buy a computer where all the computer monitor sales of dirt with a wet cloth rub rub, so that after the point painted white toothpaste back and forth gently rubbing a rub, with the final clean Cloth to wipe it OK, screensavers, filling water into the basin.Detergent added with a soft cloth rub rub.OK the,,