my mac starts up but then goes black after the apple appears
my mac starts up but then goes black after the apple appears
iMac, iOS 12.0.1
my mac starts up but then goes black after the apple appears
iMac, iOS 12.0.1
Try an SMC reset:
https://support.apple.com/en-us/HT201295
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)
https://support.apple.com/en-us/HT201573
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
If none of those work make a Genius Bar appointment for a free diagnostic:
Try an SMC reset:
https://support.apple.com/en-us/HT201295
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)
https://support.apple.com/en-us/HT201573
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
If none of those work make a Genius Bar appointment for a free diagnostic:
Try resetting the SMC How to reset the System Management Controller (SMC) on your Mac - Apple Support
And try booting into safe mode Use safe mode to isolate issues with your Mac - Apple Support
my mac starts up but then goes black after the apple appears