Turn off the monitor and unplug it
Let the screen cool down
Use a dry microfiber cloth to remove dust
Wipe the screen gently in straight strokes
Dampen a microfiber cloth with distilled water if needed
Wipe again with the damp cloth, not the screen directly
Use a screen-safe cleaner only if necessary
Avoid spraying liquid onto the monitor
Avoid paper towels, tissues, and rough fabrics
Avoid ammonia, alcohol, and abrasive cleaners
Clean the bezel and stand with a slightly damp cloth
Dry the screen with a clean microfiber cloth
Reconnect and turn the monitor back on only when fully dry