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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Mac Notebooks > blinking Dell U2713hm with rMBP

blinking Dell U2713hm with rMBP
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Join Date: Nov 2005
Location: MA
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May 6, 2013, 04:30 PM
I have a 15" rMBP i7 with 16GB ram and a 27" Dell U2713hm hooked up via a display port cable (more precisely a display port to mini-display port cable). I am running 10.8.3.

My monitor regularly blinks off and then comes back on within 5 seconds between approx 0-5 times in the first 0-5 minutes that I use the computer.

I have called applecare support. They walked me through resetting a bunch of stuff and it didn't do anything. The best they can tell me is that it "might" be a power supply issue (whatever that means). To pursue it further I would have to bring both the monitor and the laptop into the apple store (which is a big pain because I live in the middle of the city).

What do people think about this issue? Would using a dual link DVI cable fix my problem? Is it a "known" general problem? Or is it "normal"? Or should I take my computer to the apple store? Thanks!
Join Date: Oct 2001
Location: San Jose, CA
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May 6, 2013, 04:48 PM
Have you tried swapping out the cable?

You should also try the DVI cable to verify whether the problem is the monitor or the cable. Do you have another monitor you can try just to confirm that the problem is not the MBP?

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