If you shine a bright light through the back of the Apple logo on the lid, do you see your system running? This would indicate LCD/cable or cable connection. Hold these keys and the power button for 10 seconds.ģ If you have a MacBook Pro with Touch ID, the Touch ID button is also the power button.ĥ Press the power button again to turn on your Mac. Hold the keys down until the computer restarts and you hear the startup sound for the second time.Ģ After your Mac shuts down, press Shift-Control-Option on the left side of the built-in keyboard, then press the power button at the same time. Press and hold the Command-Option-P-R keys.ĥ. Dust, dirt, crumbs, fingerprintsit all adds up over time until one day you realize your computer no longer has the shine and. You will need to hold these keys down simultaneously in step 4.ģ. This wikiHow will teach you the best way to clean your MacBook Air. How to clean your Macbook (cleaning the Mac fan and battery area) Watch later. Locate the following keys on the keyboard: Command, Option, P, and R. How to clean your Macbook (cleaning the Mac fan and battery area) - YouTube.
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