Panic cpu2 caller error Mac restart loop

Image attached. I have tried holding down shift and it still does not enter safe mode. What can I do here?

MacBook Pro 13″, 10.12

Posted on Jul 10, 2020 9:55 PM

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Sharhari

Level 5

6,293 points

Posted on Jul 11, 2020 1:38 AM

If your Mac restarted because of a problem - Apple Support

Also Perform Apple Diagnostics Test to check if you have any hardware issue:

How to use Apple Diagnostics on your Mac - Apple Support

Hope it helps.

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Top-ranking reply

Sharhari

Level 5

6,293 points

Jul 11, 2020 1:38 AM in response to Sharu1008

If your Mac restarted because of a problem - Apple Support

Also Perform Apple Diagnostics Test to check if you have any hardware issue:

How to use Apple Diagnostics on your Mac - Apple Support

Hope it helps.

HWTech

Level 9

68,708 points

Jul 11, 2020 4:50 PM in response to Sharu1008

Looks like you may have a failing hard drive. Or bad hard drive SATA cable which is very common on the MBPro 13" (mid-2012) model.

Try booting into Recovery Mode (Command + R) and Internet Recovery Mode (Command + Option + R) and run Disk Utility First Aid in case it is just a corrupt file system.

I hope you have a recent backup.

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Panic cpu2 caller error Mac restart loop