foo-zled Author

Level 1

4 points

My 2013 iMac 27" screen just pixelated on me and I'm unable to log in. Any suggestion on how I can determine the problem?

My 2013 iMac 27" screen just pixelated on me and I'm unable to restart after I shut her down. Any suggestion on how I can determine the problem?

iMac 27″, macOS 10.15

Posted on Jul 3, 2023 7:03 AM

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Top-ranking reply

Level 10

98,484 points

Posted on Jul 3, 2023 7:12 AM

Reset the SMC, as per > Reset the SMC of your Mac - Apple Support

Then if it does nothing, see > If your Mac doesn't turn on - Apple Support

If it turns on but does not startup, see > If your Mac doesn't start up all the way - Apple Support

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Top-ranking reply

Level 10

98,484 points

Jul 3, 2023 7:12 AM in response to foo-zled

Reset the SMC, as per > Reset the SMC of your Mac - Apple Support

Then if it does nothing, see > If your Mac doesn't turn on - Apple Support

If it turns on but does not startup, see > If your Mac doesn't start up all the way - Apple Support

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My 2013 iMac 27" screen just pixelated on me and I'm unable to log in. Any suggestion on how I can determine the problem?

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