You have a Thunderbolt chip failure! Did you not go to Apple to have them service this? [https://www.apple.com/ie/support/macbookpro-videoissues/|MacBook Pro Repair Extension Program for Video Issues].
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You have a Thunderbolt chip failure! Did you not go to Apple to have them service this? [https://www.apple.com/ie/support/macbookpro-videoissues/|MacBook Pro Repair Extension Program for Video Issues]. This chips logic pushes the video signal to either the internal display or via the Thunderbolt (DisplayPort) connection.
Here’s the chip in question in Green:
[image|1534665]
At this point if they won’t service it you’ll need to replace the logic board [guide|23399] In the guide you’ll find the possible logic boards your system supports.
You have a Thunderbolt chip failure! Did you not go to Apple to have them service this? [https://www.apple.com/ie/support/macbookpro-videoissues/|MacBook Pro Repair Extension Program for Video Issues].
Here’s the chip in question in Green:
[image|1534665]
At this point if they won’t service it you’ll need to replace the logic board [guide|23399] In the guide you’ll find the possible logic boards your system supports.