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Other Hardware and Peripherals Other Apple systems and peripherals discussions including the Apple Watch.

External display issues

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Member Since: Mar 26, 2012
Posts: 1
chrisfein is on a distinguished road

chrisfein is offline
I have a 27" iMac and have a 20" dell monitor, I have a thunderbolt to DVI cable installed.
I get an image on the dell but it's not clear I getting green lines throughout the display.
Is there a display setting I missed?
Any suggestions would be appreciated.
Thank you
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