Normally, Mac not starting is the problem users face when they use incorrect power cable or adapter for the MacBook. Test the outlet with other electrical lamp or phone charger to see if it is working. Securely plug the working power cable into a working electrical outlet.If you don't see the signs of power, you will have to ensure that it is receiving power. Look out for the Caps Lock key, backlit keyboard, or sleep indicator light which means that Mac is turning on.Press the Power button on Mac and listen to the fan, startup chime, hard disk running, etc.If the Mac turns on but the problem is with a startup, then consider following the steps below to check the power: If the charger is old and damaged, then buy a new power cable and then charge your Mac. Sometimes dust and debris also disrupt the connection. Make sure that the charging point is plugged in properly. So, if Mac isn't starting up when it is on battery power, plug in the charger. The most plausible reason would be that battery drained from your system and as a result, Mac laptop won't turn on. Just follow them in the same order and one of them will work out for you. Take a look at the solution and try them to see which one fixes Mac without any hassle. Even if you can't figure out the exact reasons, trying out the common solutions won't harm Mac. It is basically the hardware issues that lead to MacBook pro not starting issue. Broken hard disk permissions are conflicting with user accounts.The corrupted cache of critical system files.Incompatible login items related to application interrupting the Mac boot process.Broken application affecting the system startup.
There isn't enough battery left on the Mac.If MacBook won't start or boot, the main reasons might be:
MACBOOK PRO POWER CORD BLINKING GREEN HOW TO
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