Check for disk errors:
If your MacBook still won’t start up, it’s possible that there are disk errors preventing it from starting up. You can use Disk Utility to check for and repair any disk errors. To do this, follow these steps:
- Boot your MacBook into Recovery Mode by holding down Command+R during startup.
- Select Disk Utility from the list of available utilities.
- Select your startup disk from the list of volumes, and then click on First Aid to run a disk check.
If none of these steps resolve the issue, it’s possible that there may be a hardware issue with your MacBook. In that case, you may need to take it to a professional repair shop for further diagnosis and repair. So, it’s time to contact MakCity®