I am currently trying to connect my MBP to an old cinema display. I have a DVI adapter and this has worked before, but since a recently ML upgrade the display kind of pulses on and off showing how its meant to.
Heres a video of what i'm seeing
Anyone know any solutions to this?
That is definitely a weird issue! Lets see if the steps in the following resource provide any resolution:
Apple computers: Troubleshooting issues with video on internal or external displays
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