Disconnect the battery after power failure.

Turn off the power supply and remove the external power cord, and remove the internal battery and all external equipment connection wires.

Vacuum cleaner cleaning

Use a small vacuum cleaner to suck dust from the gap between the connector and the keyboard.

Dry cloth wiping

Wet the shell surface slightly with a dry cloth, and then gently wipe the shell surface. Please be sure not to drop any detergent into the machine to avoid short circuit burns.

Wait for it to dry.

Wait until the laptop is completely dry before turning on the power.