You can charge your Mac laptop for a while and then press the Power button to see whether it can boot normally. If you are using a laptop, you need to make sure that the battery is charged. You can just unplug and then re-plug the cable and adapter to have a try.īesides, you can also perform a power cycle by pressing and holding the Power button for about 10 seconds and then releasing it. If the power outlet is OK, you can check whether your MacBook is plugged incorrectly. You can connect another device like a lamp to the power outlet to see whether it can work. The first thing you need to check is the power outlet. Then, you need to check the power connection issue. If you can’t hear the sound and see the lights, it means that your Mac has no power. Press the Power button for your Mac computer and then listen to the sound it makes including the sound from the fan, the hard drive, and other startup sounds.Īt the same time, you need to watch the lights from a backlit keyboard, caps lock key, and sleep indicator light.

Listen to the Sound and Watch the Indicator Light Or perhaps you don’t power on the device properly.

For example, you are using a wrong or damaged cable or adapter. Restore Your Mac from Time Machine BackupĪt times, iMac/MacBook Air/MacBook Pro won’t turn on happens due to some simple reasons.

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