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ATI/AMD 5xxx 6xxx 7xxx Graphics Cards Framebuffer Personalities I can't select any resolution over 2560x1440 in 10.10 :|

I have this issue too. Did you ever find a solution to it? I have the same hardware as you as well.

ATI/AMD 5xxx 6xxx 7xxx Graphics Cards Framebuffer Personalities Hey there, just wanted to reply as I wasn't sure if you saw my post towards the bottom of my thread. It seems to be related to the pixel update frequency, I've not tested to find the precise border frequency as I wouldn't know what...

Turns out this issue is related to the pixel frequency that is set for the monitor. So I used SwitchResX to manually configure a resolution and played around with the settings. A pixel frequency that is around 400Hz to 500Hz will cause this issue to manifest. This is a little problematic as high...

ATI/AMD 5xxx 6xxx 7xxx Graphics Cards Framebuffer Personalities Hi RogueFive, I have the exact same issue as bolded part above. I have the Samsung U28D590 running OS X 10.9 with a Gigabyte R9 280X 3GB GPU. I'm not sure I have an option for 3584x2240@60Hz via DP. I made a post here with an...

Hi all, I've still had no joy with this. Is there anything else I can try?

Hi there, OK so found some time to check this out again. Looking in my Display settings, the resolution is 3200x1800 and the Refresh Rate is set to 60hz, and is greyed out. There are no other options present. Changing the resolution makes no difference, it is always present. Rotating the display...

Hey, thanks for your reply! Much appreciated. :) My monitor is the Samsung U28D590D Monitor which is UHD and runs at 60Hz via Display Port. I am using the Display Port on OS X and do have it running at 3840 x 2160 resolution. I will check out the refresh rate and report back. Thanks for the...

Hey all, no one have any idea on this at all? I'm a bit stuck. :(

Hi all, First of all a huge thanks to TonyMacx86 for the hard work and awesome community built around the tools here. It has been super helpful and I've managed to resolve all my install issues and anomalies with just a bit of searching and patience. Been really great, and as a result I have my...