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I was experimenting with display cables a little bit and I encountered a strange phenomenon: My board has one DVI port and one HDMI port. The displays both have HDMI. When I connect one display via HDMI and the other one with a HDMI-DVI-adaptor everything works perfectly. If I connect them...

Hey, awesome! Adding the IGPlattformID=0A160000 did it for me! System boots up fine with two monitors, tanks a lot! I tested a few things and one time I connected the HD-TV while the system was runnig, it froze. But that's not as annoying as the grey screen, so a clear progress for me!

No clue... Does anybody successfully run Intel HD4xxx graphics with dual monitor in Mavericks? If yes, which bootloader/kexts/settings do you use?

Ok, now there's two of us. Do you also have the problem with the HD 4600 or also with your Geforce Card? I tried graphicsenabler and igpenabler => no difference

I have two monitors connected to my Intel HD Graphics 4600: One pc-monitor with HDMI-cable and one HD-TV with DVI-HDMI-cable. When booting with both monitors connected I often get only a grey screen with the apple logo (when the desktop should normally show up) - the only a hard-reset helps...

Hey, thanks, seems that worked :)

I often have the issue when trying to shutdown, my system does the following: It does the shutdown procedure, the power led turns off but after two seconds or so it starts to boot again. So the shutdown actually leads to a restart. I don't know what exactly influences this but I have the feeling...

Unfortunately I only have the internal GFX. So I'll have to live with it until someone creates a real fix....

Same problem here on a Haswell/Mavericks system. System freezes (completely - only a hard-reset helps then) when trying to watch movie trailers on iTunes. Any solution yet?

Ok, same problem here. iTunes crashes (and the whole system with it) when trying to start Movie Trailers. Any solution yet?

Solved the issue! Although nobody seems to be interested, here's the solution: As soon as I disable "Legacy USB Support" in BIOS everything works perfectly. All the USB3 drives are runnig with "SuperSpeed" right from the start. P.S.: This also solved the "EBIOS Read Error..." problem (error...

I still didn't solve the problem but I realized some strange behavior. First of all: If your drive shows up under "USB 3.0 SuperSpeed Bus" under "USB" in the system report it runs with full USB3 speeds - if it shows up under "USB 3.0 HighSpeed Bus" it only runs with USB2 speeds. After playing...

nobody?

I just successfully installed Mavericks using Unibeast/Mulitibeast. I jus bought a WD MyBook 4TB external hard drive but I only get speeds up to 40MB/S. In tests on the web this drive reaches speeds up to 130MB/S. I set XHCI to Smart in BIOS which doesn't make a difference. I also tried this...

That's strage, maybe the hardware-layout of your card is different to the ones that are sold with real macs. Mine is a "XFX Geforce 8800 GT Alpha Dog Edition" and it works perfectly... Another chance for you would be to try this bootloader: http://www.insanelymac.com/forum/index. ... pic=216726...

Did you rebuild caches an repaired permissions after installing the kexts? I installed the kexts and bundles using kext helper b7. But if you already replaced the kexts you can just run Kext Utility and that should fix it.

Gigabyte GA-EP35-DS4 Rev. 2.1, Bios "f6", extracted with Ubuntu live cd

I followed these instructions exactly. Is there anything I have to do with the stick before I start following the instructions in the guide? http://tonymacx86.blogspot.com/2011/02/ ... ng_16.html

The files are too big to upload (about 170 MB). You need to replace the following files with the ones from 10.6.4: In System/Library/Frameworks: OpenGL.framework OpenCL.framework In System/Library/Extensions: GeForceGLDriver.bundle GeForce7xxxGLDriver.kext NVDANV50Hal.kext NVDAResman.kext...

Is nobody here having the same issue or some advices?