black screen on dell u2711 with MBPR late 2012
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 Oct 17 2016, 05:32 PM
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Senior Member
6,496 posts Joined: Jan 2003 From: Kota Damansara   
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Try blow clean your thunderbolt ports. Sometime they get dusty and the connection become wonky.
Lastly, ensure you are using original Apple MiniDisplay adapter or at lease a known trusted brand one. |
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