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iMac will not boot up

I restarted my iMac and it won’t boot up. It keeps showing the apple icon alternating with the “do not enter” symbol. I’ve disconnected, reconnected, and tried restarting many times with same result. Please help!

Posted on Aug 31, 2019 8:08 AM

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Posted on Aug 31, 2019 8:29 AM

Please follow the troubleshooting steps in About the screens your Mac displays as it starts up - Apple Support

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iMac will not boot up

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