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Blagy Author

Level 1

5 points

Thin vertical line on iMac 2019 21.5 inch

I have a thin vertical line appear on my iMac display screen. Any ideas ?

iMac 21.5″, macOS 12.1

Posted on Jun 27, 2022 1:51 PM

Top-ranking reply

rkaufmann87

Level 10

143,898 points

Posted on Jun 27, 2022 2:08 PM

Please shut it down and then reset the NVRAM, then test. Next, if that does not work please restart in Safe Mode and then restart normally. If neither works please take the computer to your local Apple Authorized Service Provider to be professionally diagnosed.

Please click for instructions:

How to reset NVRAM on your Mac

Safe Mode

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Thin vertical line on iMac 2019 21.5 inch

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