Mac Book is not starting after crash
My Mac Book Pro 15", 2018 has crashed and not starting up again. Does anyone know what could be an issue?
MacBook Pro with Touch Bar
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Try an SMC reset:
How to reset the System Management Controller (SMC) on your Mac - Apple Support
Try starting up in Safe Mode:
Use safe mode to isolate issues with your Mac - Apple Support
If neither of those work boot into Recovery and Reinstall Mac OS.
About macOS Recovery - Apple Support
Try Single User Mode (hold command-s keys)
At the prompt, enter this command:
/sbin/fsck -fy
Press the Return key.
This will check your directory and report that it was OK or repaired. Then enter this command to startup normally:
reboot
Run Apple Diagnostics
Press and hold the d key on startup:
https://support.apple.com/en-us/HT202731
If none of those work make a Genius Bar appointment for a free diagnostic: