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Level 1

4 points

My iMac 27" no longer finishes starting up. About 24 seconds after pushing Start button, machine quits, screen goes black.

Any ideas what the problem might be?

iMac 27", OS X 10.10

Posted on Nov 5, 2019 3:29 PM

Top-ranking reply

Level 10

144,108 points

Posted on Nov 5, 2019 3:53 PM

Please use the trouble shooting steps in If your Mac doesn't turn on or start up located by clicking https://support.apple.com/en-us/HT204267

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