2011 MBP and ACD 24" Flickering

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I tried to google, but all I could find were videos showing the problem.

I have my 2011 15" MBP hooked up to a 24" Apple Cinema Display and it won't stop flickering.

Anyone know any cures to the problem?

-bentharbour
 

chscag

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2017 27" iMac, 10.5" iPad Pro, iPhone 8, iPhone 11, iPhone 12 Mini, Numerous iPods, Monterey
Sounds like either the cable or connector is bad or possibly loose.
 
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Yeah, apparently a lot of folks are having the same issue. There are tons of comments on the problem (not just the 2011-> 24" ACD) but a bunch of combinations of the ACD and Mac's.

I stopped using the mag safe charger from the ACD and went to powering from the MBP's magsafe...it seemed to get rid of the problem (knock on wood) but it defeats a main purpose of the ACD, doesn't it? ha

-bentharbour
 
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Does the flickering occur in mirror mode as well?

I have not tried it in Mirror mode. I do not use that mode at all and the problem is not constant, it comes and goes periodically.
I have read a ton about it and it seems like it happens with a lot of the new MBP's and non-thunderbolt displays.

I guess many users are waiting on a legit firmware upgrade to fix it.
 

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