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Tvlle Author

Level 1

8 points

Blank screen

2010 21” iMac screen is green with vertical green bars on startup, will not complete login. No on screen options available, what to do?

iMac 21.5", macOS 10.13

Posted on Apr 16, 2020 9:49 AM

Top-ranking reply

a brody

Level 10

83,949 points

Posted on Apr 16, 2020 10:00 AM

Target Disk Mode and link to another Mac. If you can't get the logo of target to appear on the screen, then the graphics chip or video cable is damaged. Not an easy fix for that Mac.

https://support.apple.com/guide/mac-help/transfer-files-mac-computers-target-disk-mode-mchlp1443/mac

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