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Set entire monitor/TV to use Nvidia GPU?

post #1 of 2
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Hello! I have an ASUS N550JV-DB72T laptop, with a Nvidia Geforce 750M GPU, and just picked up a Samsung 43" 4k TV (UN43KU6300) for use as a monitor. I've spent tonight trying to get everything hooked up, but I'm running into an issue that's causing it to only display at 30 Hz. Theoretically, I can run a displayport -> HDMI active converter and have this laptop output a 4k 60Hz output, so that's what I'm doing. I'm using the Club3D active adapter into a high speed HDMI cable which can do 18 Gbps.

It's displaying the resolution fine, however I'm running into a problem I didn't foresee: It's always using the integrated Intel HD 4600 GPU for the TV, which I feel like has got to be the bottleneck.

I've tried:

  • Changing the global setting for "Preferred graphics processor" to Nvidia one in the Nvidia Control Panel + rebooting after doing so
  • Updating Nvidia and Intel display adapter drivers in Device Manager
  • Checking in the BIOS to see if I can disable the Intel processor
    • There were no relevant options whatsoever. The only graphics option was some option about graphics memory, which didn't sound like what I'm looking for at all.
  • Looking for options to disable Intel GPU in the Intel Graphics Control Panel.
  • And a bunch of other random things.

Almost every search result that comes up has to do with just setting a specific program to run on the GPU. I've done this before and it's easily done in the Nvidia Control Panel per executable file. This is not what I need. I need to have the entire monitor signal that's going through my mini displayport use the Nvidia GPU, so that the TV can display at 4k 60 Hz. Does anyone have any suggestions for how to specify that a monitor use a specific GPU? Thanks a lot!
post #2 of 2
Nvidia Optimus might be responsible for the lack of control over the GPU's. (It's designed to balance the discrete and integrated graphics for optimum power savings whilst still providing *just* enough gpu power).
I think it's built into the Windows 7 that came with the laptop, so you could install an OEM Windows 7 to avoid having Optimus on the system.
Ol'Faithful
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Ol'Faithful
(11 items)
 
  
CPUMotherboardGraphicsRAM
Intel Xeon x5660 P6X58D-E XFX AMD Radeon R9 280X Corsair Vengeance 24 GB Triple Chanel 6x4GB 
Optical DriveCoolingOSMonitor
Lite-On DVD-RW Noctua DH-14 CPU Cooler Windows 7 Pro x64 Samsung 24" LED 1080p 5ms DVI (S23A300B) 
PowerMouseAudio
Thermaltake Toughpower 750W Gold Corsair M95 Onboard :S 
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