lsneedels Author

Level 1

5 points

Verticle Red Line on Screen

My new MacBook Air just developed a thin vertical red line on the right of the screen. What causes this and how do I fix it?

MacBook Air 13″, macOS 12.5

Posted on Sep 12, 2022 11:56 AM

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Top-ranking reply

Level 10

153,460 points

Posted on Sep 12, 2022 02:08 PM

Take a screenshot and open it in Preview. If the display anomaly does not appear in that screenshot, then arrange for service here: Get Support.

Take a screenshot on your Mac - Apple Support

Preview User Guide for Mac - Apple Support

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2 replies

Top-ranking reply

Level 10

153,460 points

Sep 12, 2022 02:08 PM in response to lsneedels

Take a screenshot and open it in Preview. If the display anomaly does not appear in that screenshot, then arrange for service here: Get Support.

Take a screenshot on your Mac - Apple Support

Preview User Guide for Mac - Apple Support

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Level 9

66,674 points

Sep 13, 2022 04:55 PM in response to lsneedels

When following @John Galt's suggestion, make sure to move the picture to the side a bit so the picture and the line don't perfectly overlap on screen. You can also try viewing the screenshot on another device or display.

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Verticle Red Line on Screen

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