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60Hz 4K on Mavericks with GTX 760? [UPDATE: 10.9.3 works [UPDATED UPDATE: maybe]]

4K UltraHD Retina NVIDIA GTX 760 60Hz 60 FPS

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#141
mgldan

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Anyone have any luck getting 4K at 60 Hz with OS X 10.10.2? I had it working using this:

 

- Dell UP2414Q

- Macmini6,2
- Mac OS X 10.10.1
- NVIDIA Web Driver 343.01.02f01

- MSI GTX 760 2 GB
- Clover r3113

- FakeSMC 6.11.1318

 

I upgraded to OS X 10.10.2 (using combo updater) and NVIDIA Web Driver 343.02.02f01 (since the old driver version will not load under OS X 10.10.2), but basically I had no success.



#142
rawmassen

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Anyone have any luck getting 4K at 60 Hz with OS X 10.10.2? I had it working using this:

 

- Dell UP2414Q

- Macmini6,2
- Mac OS X 10.10.1
- NVIDIA Web Driver 343.01.02f01

- MSI GTX 760 2 GB
- Clover r3113

- FakeSMC 6.11.1318

 

I upgraded to OS X 10.10.2 (using combo updater) and NVIDIA Web Driver 343.02.02f01 (since the old driver version will not load under OS X 10.10.2), but basically I had no success.

 

A lot of people are struggling with 4K and 10.10.2. My friend spent hours trying to get his 970 to work with no success.

Perhaps revert back to 10.10.1 (if you cloned it, that is!), and wait for newer drivers.



#143
mgldan

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Yeah, I used SuperDuper to go back to 10.10.1 and 343.01.02f01. I tried a couple things to get 343.01.02f01 to load under OS X 10.10.2--plist editing and using Pacifist to install mixtures of the old and new web drivers--but I was also unsuccessful.



#144
soulz

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scary... keep us posted :)



#145
Amethyst

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Do you guys think the next kext version can repair our 4K 60Hz?



#146
Rampage Dev

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Have you tried the old patch for adding Support?



#147
Amethyst

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Yes i have patch apcp.kext to enable 4k 60hz on my real mac pro but nothing works.



#148
boli

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Just tested: a Dell P2715Q does not offer its native Ultra HD resolution on a 27" iMac14,2 (fall 2013, GeForce GTX 775M) running OS X 10.10.2, but only 2560x1440. I know this iMac can run other Ultra HD displays at 30 Hz, but for now, not even this works.

 

Updates:

  • The newest NVidia web drivers did not help.
  • The display did run at full resolution and 60 Hz on a 5K iMac15,1 (fall 2014, AMD Radeon R9 M290X) running OS X 10.10.1!


#149
mgldan

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Yeah, this is basically the most frustrating thing ever. For me, only a handful of definitions even result in a signal on the UP2424Q: Macmini6,2; iMac14,1; and iMac14,2. Macmini6,2 is the only one that gives 60 Hz, and the other two give 30 Hz. What's even worse is that the newer definitions, Macmini7,1 and iMac15,1, don't even turn the monitor on. There's no signal at all. I don't get why that is, since real Macs with those definitions do support 4K at 60 Hz on this monitor, at least according to Apple. And of course I still can't upgrade to OS X 10.10.2 without losing the 60 Hz.

 

I wouldn't mind using Macmini6,2, but sometimes when I start to watch a Flash or QuickTime video, it forces the Safari tab to reload. You can just restart the video and it will play the second (or third) time, but it is super annoying.

 

I wish there were a way to figure out what about Macmini6,2 enables the 4K @ 60 Hz in the first place, so that maybe a separate kext or something could be written. But it's just beyond my expertise.

 

I guess all I can do is wait until OS X 10.10.3.



#150
mgldan

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Actually, I spoke too soon--MacBookPro11,2 (but not 11,1) will also give 4K at 60 Hz, with everything else the same as in post #141. Same issues with graphics crashes as in my last post though.



#151
Amethyst

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I can confirm, 10.10.2 with latest web driver kill 60Hz 4k even on my real mac pro5,1 with GTX680 and up2414q.



#152
MoOrRe

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Here is a new boot-arg nv_spanmodepolicy=1

Details



#153
Rampage Dev

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Here is a new boot-arg nv_spanmodepolicy=1

Details

 

What does it do? 







Also tagged with one or more of these keywords: 4K, UltraHD, Retina, NVIDIA, GTX 760, 60Hz, 60 FPS

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