Wow! Hadn't seen this effect on the 5K displays yet.
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Do you have access to an external display which you can plug in via Thunderbolt/mDP port on the system. Does it look clean? If it does then you have a bad display assembly and/or the displays data cable. If the image is the same then the logic boards GPU logic has an issue.
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Do you have access to an external display which you can plug in via DVI port on the system. Does it look clean? If it does then you have a bad display assembly and/or the displays data cable. If the image is the same then the logic boards GPU logic has an issue.
Wow! Hadn't seen this effect on the 5K displays yet.
Do you have access to an external display which you can plug in via Thunderbolt/mDP port on the system. Does it look clean? If it does then you have a bad display assembly and/or the displays data cable. If the image is the same then the logic boards GPU logic has an issue.