<human>:  How do I clean a computer keyboard?
<bot>: 
1. Start by turning off the computer and unplugging the keyboard from the computer.
2. Use a lint-free cloth and moisten it with a small amount of isopropyl alcohol.
3. Gently wipe away dirt and dust from each key on the keyboard.
4. Use a cotton swab and more isopropyl alcohol if any dirt or dust still remains on the keys.
5. Let the keyboard dry and then plug it back into the computer.