

MacBook (13-inch, Late 2009) and MacBook (13-inch, Mid 2010): The bottom case of these computers uses a soft non-slip material. Dampen a soft, lint-free cloth with water only, then use it to clean the Touch Bar and Touch ID. Shut down your Mac and unplug the power adapter. MacBook Pro models from 2016 and later with Touch Bar and Touch ID: Clean the Touch Bar and Touch ID (power button) on these computers the same way you would clean the display. Dampen a soft, lint-free cloth with water only, then use it to clean the computer's screen. To clean the screen on your MacBook, MacBook Pro or MacBook Air, first shut down the computer and unplug the power adapter. Don't use aerosol sprays, solvents, abrasives or cleaners containing hydrogen peroxide that might damage the finish. Do not spray liquid directly on the computer. Then use a damp, soft, lint-free cloth to clean the computer's exterior. When cleaning the outside of your MacBook, MacBook Pro or MacBook Air, first shut down your computer and unplug the power adapter. Learn how to clean your Mac notebook computer. The "Notebook computers" section of this link has some good information about How to clean your Apple products: We see from your photo that you have some debris stuck in your Mac computer's speakers.
