I haven’t used my iMac for several months. Now it will not even show power

Question

I haven’t used my iMac for several months. Now it will not even show power

It does not turn on at all. There is power and it is plugged in, and I have held the button for 15 seconds then tried to turn in. Nothing is happening.

iMac 27″, OS X 10.10

Posted on Nov 18, 2021 12:32 PM

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Answer 1

Top-ranking reply

D.I. Johnson

Level 7

32,699 points

Nov 18, 2021 12:41 PM in response to Laurieleisure

You may have to do each of these several times because sometimes that's what it takes to stick.

Reset the NVRAM

How to Reset NVRAM / PRAM on your Mac - Apple Support

Reset the SMC

How to Reset the SMC of your Mac - Apple Support

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Answer 2

Old Toad

Level 10

215,346 points

Nov 18, 2021 2:07 PM in response to Laurieleisure

Disconnect the power cord from the back for about 15 seconds, reconnect and try booting up.

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Answer 3

rkaufmann87

Level 10

148,452 points

Nov 18, 2021 2:14 PM in response to Laurieleisure

Please follow the troubleshooting Apple suggests in If your Mac won't turn on or start up. If none work, the next step is to make an appointment at your local Apple Authorized Service Provider and take it in for service.

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I haven’t used my iMac for several months. Now it will not even show power

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