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brux212 Author

Level 1

4 points

iMac won’t power on

I started my iMac and as it was booting it shut off and there is no power.

iMac 21.5", macOS 10.13

Posted on Jun 4, 2019 6:50 PM

Top-ranking reply

rkaufmann87

Level 10

144,090 points

Posted on Jun 4, 2019 6:58 PM

Please try the troubleshooting in What to do if your computer won't turn on . However if there is no power at all and no video then this sounds like a failed power supply. Please take the computer to your local Apple Store or independent Apple Authorized Service Provider to be diagnosed and repaired.

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iMac won’t power on

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