I've upgraded to the new operating system and now my MacBook Pro is in trouble.  Should I uninstall the new system and if so how?

I have upgraded to the new operating system, El Capitan 10.11.4, and now my MacBook Pro is in trouble.  Should I uninstall the new system and if so how?

Restore the backup that you did when you replaced the old system

Tags: Mac OS & System Software

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