Keeping your computer physically clean

Dust isn't just unattractive—it can potentially damage or even destroy parts of your computer. Cleaning your computer regularly will help you keep it working properly and avoid expensive repairs. 

Cleaning the keyboard

Dust, food, liquid, and other particles can get stuck underneath the keys on your keyboard, which can prevent it from working properly. The basic cleaning tips below can help keep your keyboard clean. 

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source: https://edu.gcfglobal.org/en/computerbasics/keeping-your-computer-clean/1/