When you press the Power button or Touch ID button on your MacBook, if you don’t see any images, video, or visuals of any sort on your display, if you don’t hear a startup chime, and if you don’t hear any fan or spinning drive noise, then your MacBook is not turning on.įirst, You need to ensure that the power outlet is ok.The latest version of Intel Power Gadget (3.6.1) is causing frequent kernel panics in macOS Catalina (10.15.1), causing the system to freeze and then shut down. You can plug a lamp into the power outlet.
This simple step lets you know whether the power outlet is working or not. The MacBook charger comes with a removable AC power cord. Insert the plug into the wall outlet firmly.
Don’t forget to check the power cord on the charger side. Make sure you insert the power cord into the charger firmly as well. Look out for any fraying or tears in the cable. The USB-C adaptor uses a removable cable. Insert the cable firmly into the adaptor. Get a known-good adaptor from your friends or collages to test if your MacBook will turn on or not. You need to ensure your MacBook receives power from either the MagSafe or USB-C charger.
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Check if the power cable is undamaged and securely plugged into your Mac and a working electrical outlet.
Test it with a lamp or a mobile phone charger if you’re unsure about the outlet. Use the correct power adapter for your MacBook model to charge the MacBook for about 5 minutes. If possible, try using the original power adapter with your Mac.
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If the flat battery causes your MacBook Air or MacBook Pro not to turn on, most Macs will power on automatically if you connect a working charger. However, some models of MacBooks require a minimum battery power before the Mac can turn on. Let your charger top up the battery above the minimum level. If you can see a green or orange light on the MagSafe connector, it means both your charger and the SMC in your MacBook are working now. The SMC has successfully communicated with your charger and then turned on the light. You may try another charger if you don’t have a light on the connector.Īfter 5 minutes, press the power button to see if your MacBook can turn on. If your Mac still won’t turn on, or if you don’t have a light on the MagSafe connector, go on to the next step. You may think that your Mac won’t turn on when you see nothing on the screen. But that is not always the case! Your Mac may be ON already only the screen is not working. Therefore, it is vital to double-check any signs of power, including sounds and lights, to avoid a misdiagnosis.ĭo you hear a startup chime? If you do, your MacBook is already on. Wait 1 or 2 minutes to check if there is any display on the screen, even a quick flashlight. If you don’t see anything on the screen, your Mac most likely has a screen problem. This is not good news as the screen is one of the most expensive components next to the Apple logic board. Pick up the MacBook place the vent holes (between the two screen hinges) near your ear. Do you hear any noise from the fan, mechanical hard drive or super drive? Do you feel any air coming from the vent holes? If you hear the noise or feel the air movement, your Mac is on, and your Mac has a logic board problem. Your Mac has already started to turn on but somehow got stuck somewhere. If you don’t see anything on the screen, shine a flashlight through the Apple logo on the back of your screen. If you can see a dim image, press the screen “brightness up" button on the keyboard a few times to increase the screen brightness.
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