If the ASUS S550CM series stains the screen and keyboard, do not use alcohol-based volatile cleaners. You can spray water on the screen with a special wiper and then wipe.

Suggestions:

　1. For daily maintenance, you can use a special cleaner for computer screens.

2. Try not to place anything on the computer screen. The weight of the screen should not exceed 1.5kg.

3. Cleaning the keyboard should not be underestimated! Excessive accumulation of dust will affect the heat dissipation of the chassis and increase the chance of crashing! You should usually use a special keyboard cleaning brush to clean the gaps in the keyboard. If it has accumulated for too long and has not been cleaned, you need to Have it disassembled by a professional repair center to remove a large amount of dust.