Hello, one month ago I successfully installed Sequoia on my Late 2012 i7 iMac and it worked well with no issues until last week.
A blackout striked in the office and all the computer suddenly shutted down.
When I rebooted the Mac all the graphic became snappy and all the operation are slower.
What should I do? A PRAM/nvram/smc reset would help?
Are there other procedures to fix this problem?
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