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Clevo P370SM3 / Sager NP9380 working but Nvidia GTX 780m Problems

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    InsanelyMac Protégé

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A Haswell laptop with Thunderbolt

After some months of trying finally got the OS installed.

Using RehabMan's Haswell/Mavericks solution it installed perfectly.
Haswell early reboot, Mavericks, locked MSRs, and HP Envy 15-J063CL (i7-4700MQ)

I installed Maverick but with the lack of nvidia support I downgraded to mountain lion 10.8.5.
Things that I need to have it finish:
1. video card Nvidia GTX 780m

Internal network: working
Wifi: not working but ordered the correct card.
Sound: Working

Multi-touch track pad: Working with VoodooPS2Controller.kext, v1.8.9, Built 2013-12-05
Bluetooth: Working
Thunderbolt: recognizes the apple thunderbolt to firewire 800 adapter and a hard disk.

After installation It booted without graphics acceleration.
No flags worked, I try a combination of GraphicsEnabler=No, PCIRootUID=1, PCIRootUID=0, npci=0x2000 or npci=0x3000

After trying i decided to install the latest nvidia drivers for 10.8.5, using using GraphicsEnabler=No and the kernel flag set to nvda_drv=1. After that I had the black screen of death. I connected an external hdmi monitor to check and suddenly it worked. I had full graphic support on the internal and external monitor. The problem is that everytime I reboot I have to connect the external monitor to get the video back from the black screen.  I can disconnect the external monitor and the internal continues to work just fine.   But its a laptop I'm not going to have an extra monitor everytime I need to reboot.

Any Ideas?


4th Generation Intel® Core™ i7-4800MQ Processor (2.70GHz), 6MB L3 Cache (Haswell)
Intel® HM87 Express Chipset
17.3” 3D (120Hz) Full HD (1920x1080) Display
NVIDIA® GeForce™ GTX 780M GPU with 4GB GDDR5 VRAM, HDMI 1.4a
Two 750GB HD 7200 One for Windows 7 one for MacOS
7.1 High Definition audio interface with Sound Blaster X-FI® MB 3
Integrated Synaptic touchpad with multi-gesture and scrolling function
1 Thunderbolt Port
USB 3.0 Ports
eSATA Port (USB 2.0 Combo)
1 Headphone Jack
1 Microphone Jack
1 S/PDIF output Jack
1 Line-in Jack
1 RJ-45 LAN (10/100/1000Mbps)
9-in-1 Card Reader (MMC/RSMMC/MS/MS Pro/MS Duo/SD/Mini-SD/SDHC/SDXC)
Intel® Dual Band Wireless-AC 7620 AC wireless LAN + Bluetooth Combo




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if this card  NVIDIA® GeForce™ GTX 780M GPUis Optimus Tecnology NVDA, not have support in Mac OS X,  work only  integrate graphics from your CPU



    InsanelyMac Sage

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I see you are using 120Hz screen this mean no Optimus and your internal screen is connected to eDP port, this is why your Nvidia is working with full acceleration,  the issue about only working with external monitor connected is related to NVCAP (port detection) and is the same issue the ASUS ROG laptops has, check this thread http://www.insanelym...ed-lcd-display/


Maybe if you unified efforts can make this to work. I´m currently under investigation how to inject NVCAP to kepler cards.


Good Luck

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