Damp wiping would not be used in our services
Air dust off, swabs, and the correct non static wipes, and we would remove the keys to clean under this stops keys sticking - and the amount of food ect ect you will find under some office computers you will think what a dirty bunch of office munchers!!!
You will find, food, skin,tissue fibres...... and the germs well!!!
You can buy a good kit for computer /laptop cleaning