Clean your MacBook safely in three steps: shut it down and unplug it, wipe the exterior with a slightly damp microfiber cloth, and use compressed air for the keyboard and vents

A MacBook collects dust, fingerprints, and debris that can slow down cooling and make the keyboard sticky. The key to cleaning without damage is using the right materials—microfiber cloth, distilled water, and compressed air—and keeping moisture away from openings. Most people damage their MacBooks by spraying liquid directly on the screen or keyboard, or by using paper towels that scratch the display.

This guide walks you through cleaning the screen, keyboard, trackpad, and exterior in the order that protects your machine. The whole process takes about 15 minutes and requires no special tools beyond what you can find at a drugstore.

Key Takeaways

  • Always shut down your MacBook completely and unplug all cables before you start cleaning, because moisture near powered components can cause short circuits.
  • Use only a microfiber cloth slightly dampened with distilled water on the screen—never spray liquid directly, and never use tap water or cleaning solutions.
  • Compressed air clears dust from the keyboard and vents without forcing moisture into the machine, and should be used in short bursts while holding the can upright.
  • The trackpad and aluminum exterior can handle a slightly damper cloth than the screen, but still wring out excess water before wiping.
  • Let your MacBook air-dry for at least 5 minutes after cleaning before you power it back on.

Shut down and prepare your MacBook

Power off your MacBook completely—do not just close the lid or put it to sleep. Click the Apple menu in the top left, select Shut Down, and wait for the screen to go black. Unplug the power adapter, USB cables, and any external displays. This step is critical because cleaning a powered machine risks sending moisture into circuits.

Let the MacBook sit for 2 to 3 minutes after shutdown so internal components cool down. A warm machine can cause water droplets to evaporate unevenly and leave mineral deposits on the screen. While you wait, gather your cleaning materials: a microfiber cloth (the kind that comes with glasses or sunglasses works well), distilled water in a small cup, and a can of compressed air.

Clean the screen without streaks or damage

The MacBook screen is the most delicate part and the easiest to damage. Do not use paper towels, tissues, or regular cloth—these scratch the coating. Do not spray any liquid directly onto the screen, and do not use window cleaner, rubbing alcohol, or vinegar solutions.

Dampen one corner of your microfiber cloth with distilled water—it should feel slightly damp, not wet. Wipe the screen gently in circular motions, starting at the top and working down. If streaks remain, use a dry corner of the cloth to buff them away. The whole screen should take about 2 minutes. If your cloth becomes too wet, wring it out over the sink and let it dry slightly before continuing.

Clear dust from the keyboard and vents with compressed air

Dust trapped under the keys reduces responsiveness and can clog cooling vents. Compressed air dislodges debris without forcing moisture into the machine. Hold the can upright (tilting it can release liquid propellant), and use short 1-second bursts. Angle the nozzle at the space between keys and along the edges of the keyboard.

Pay special attention to the gaps around the trackpad, the sides of the machine, and the vents on the bottom and back. Do not hold the nozzle in one spot for more than a second—the cold air can condense moisture inside. If you see debris still stuck between keys, use a toothpick or wooden skewer to gently lift it, then follow with another burst of compressed air. Never poke at the screen or trackpad surface itself.

Wipe the trackpad and aluminum exterior

The trackpad and aluminum case can handle slightly more moisture than the screen, but still require a damp cloth rather than a wet one. Wring out your microfiber cloth so it feels damp but does not drip. Wipe the trackpad in circular motions, then move to the aluminum lid, palm rest, and bottom case.

Pay attention to the edges where dust collects—the seam between the screen and keyboard, the hinge area, and the underside near the vents. If fingerprints remain stubborn, let the damp cloth sit on them for 5 seconds to soften the oils, then wipe again. Avoid the charging port, headphone jack, and any other openings—do not let water drip into these areas.

Dry your MacBook before powering on

Leave your MacBook open (screen raised to about 45 degrees) in a dry room for at least 5 minutes. This allows any moisture on the exterior to evaporate and prevents water from seeping into openings when you power on. If you used more water than intended, wait 10 to 15 minutes instead.

After the drying time, close the lid gently and wait another 2 minutes. Then plug in the power adapter and press the power button. The machine should start normally. If you see any unusual behavior—flickering, unresponsive keys, or a stuck trackpad—shut down when ready and wait another 30 minutes before trying again.

Common mistakes that damage MacBooks

The most common error is spraying liquid directly onto the screen or keyboard. Even a small spray bottle can force water into the machine and cause corrosion. Another frequent mistake is using tap water instead of distilled water—minerals in tap water leave white streaks and can corrode internal components over time.

People also often clean a powered machine or close the lid when ready after cleaning, trapping moisture inside. Using paper towels or tissues on the screen scratches the coating and makes it harder to see. Finally, many users hold compressed air upside down or at an angle, which releases liquid propellant that can damage the keyboard and trackpad. Always hold the can upright and use short bursts.

When to seek professional cleaning

If your keyboard has sticky keys that do not respond to compressed air, or if liquid spilled directly into the machine, do not attempt to clean it yourself. Take your MacBook to an Apple Store or authorized repair shop. If the screen has visible cracks, internal dust that you cannot reach, or if your MacBook is still under warranty, professional cleaning is the safer choice.

If your machine is very old or has never been cleaned, dust buildup inside the case can reduce cooling performance. A professional can open the case safely and clean the fans and heatsinks. This is worth considering if your MacBook runs hot or the fans are loud during normal use.

Frequently Asked Questions

Can I use isopropyl alcohol to clean the screen?

Apple does not recommend isopropyl alcohol on MacBook screens because it can damage the coating. Distilled water is safer and works just as well for fingerprints and dust. If you have stubborn stains, dampen the cloth with distilled water and let it sit on the spot for a few seconds before wiping.

What if water got inside my MacBook?

Power off when ready and unplug all cables. Do not try to turn it back on. Let it sit in a dry room for at least 24 hours—some people place it in a sealed container with uncooked rice or silica gel packets to absorb moisture. If it does not power on after drying, or if you see corrosion around ports, take it to an Apple Store for professional assessment.

How often should I clean my MacBook?

Clean the screen and keyboard every 2 to 4 weeks if you use your MacBook daily. A quick wipe with a dry microfiber cloth between deep cleanings removes fingerprints and dust. If you work in a dusty environment or eat near your machine, clean more often to prevent debris from building up in the keyboard.

Is it safe to use a keyboard cover?

Keyboard covers trap heat and moisture, which can damage the keyboard over time. They also reduce typing comfort and can interfere with the trackpad. Regular cleaning with compressed air is more effective and safer than using a cover.

Can I clean the ports and charging cable?

Yes, but carefully. Use a dry microfiber cloth or a soft brush to wipe the outside of ports. For the charging cable, wipe it with a dry cloth to remove dust and oils. Never use water on ports or cables, and never insert anything into the ports themselves.