61 votes
Accepted

Use NVidia GPU from VirtualBox?

I realize a few years have passed but wanted to answer since this post shows up pretty high when you google for "virtualbox 3d multiple GPU". In the time that has passed, things have gotten a lot ...
Thomas Carlisle's user avatar
59 votes

GPU struggles only in the primary PCIe slot. Is this a motherboard issue?

If the GPU is using legacy interrupts for some reason, it may be suffering from high latency while the CPU is busy handling other interrupt handlers for that IRQ. Your motherboard's user manual ...
Romen's user avatar
  • 1,273
30 votes
Accepted

Philips Brilliance monitor periodically shifts screen by 2 pixels and cuts off screen borders

Based on nothing more than an educated guess - & not remembering the actual technical term of it initially - this would appear to be a hardware feature of the screen itself... Pixel Orbiting. A ...
Tetsujin's user avatar
  • 49.5k
21 votes

Split monitor into virtual monitors

I use DisplayFusion and while the screen splitting functionality works well, it can't overcome applications (games, browser videos that you make "full screen", etc) that tell Windows they want to go ...
Mobocracy's user avatar
  • 319
14 votes

how to disable "intel display power saving technology"

Method 1 : Disable Adaptive brightness in the Registry start regedit Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Intel\Display\igfxcui\profiles\Media\Brighten Movie Double-click on ProcAmpBrightness, set ...
harrymc's user avatar
  • 478k
13 votes

PC with 32 screen matrix freaks

I've been there and done that. Even with the same hardware :-) Never got it to work beyond 2 cards or 16 screens (4 screens per card and 4 cards also doesn't work properly) in Windows. Worked fine ...
Tonny's user avatar
  • 31.3k
12 votes
Accepted

How can I know about compute capability and sm of my Graphics card?

You should just use your compute capability from the page you linked to. For example, if your compute capability is 6.1 us sm_61 and compute_61. SM stands for "streaming multiprocessor". The ...
Lukas Biewald's user avatar
10 votes
Accepted

Chrome HTML5 videos in fullscreen are black when Intel graphics are enabled OR hardware acceleration is enabled

There's a chrome bug for this here: http://crbug.com/622167 Try upgrading to Chrome 52, via the beta channel (or wait for a few weeks for it to be released to stable). I had what sounds like the ...
Styglian's user avatar
  • 116
10 votes
Accepted

X server on NVIDIA card with no screen

I don't know if this is 'the best way', but it's how I do it. Use nvidia-settings GUI to make a edid file for a screen Then in the terminal of your choice paste or write: sudo nvidia-xconfig -a --...
anders's user avatar
  • 441
9 votes
Accepted

NVIDIA Driver Install Fails

Use Display Driver Uninstaller (DDU) Display Driver Uninstaller (DDU) is a tool precisely for situations like this - where there are existing drivers that have not or cannot be cleanly removed which ...
I Am A Bot's user avatar
9 votes

Chrome HTML5 videos in fullscreen are black when Intel graphics are enabled OR hardware acceleration is enabled

Quick fix: Startup chrome with this flag: --disable-direct-composition Pop into the shortcut for running chrome and append that flag to the target like the image below: Source [email protected](...
PathToLife's user avatar
  • 1,146
8 votes

Can't disable dynamic contrast ratio (or auto brightness) on new gaming PC

what worked for me was to disable "Diplay power saving technology" from Intel HD Graphics control panel. you can access it from Power settings of the Intel HD Graphics control panel.
jahanzaib's user avatar
7 votes

Split monitor into virtual monitors

Ive seen and had few needs like this and I know exactly what your after. I had the same problem and even more so with "Program" type ones to make the multi-monitor. I ended up using a multi monitor ...
Majestic12's user avatar
7 votes

How to configure proxy settings in GeForce Experience?

No. Not even now. Every time I need to install something from Nvidia at work that requires network connectivity, I need to switch my dev rig from my work line to a different ISP entirely to avoid ...
kayleeFrye_onDeck's user avatar
7 votes
Accepted

GPU cores vs. CPU cores

A CPU is a much more general purpose machine than a GPU. We might talk about using a GPU as a "general purpose" GPU, but they have different strengths. CPU cores are capable of a wide variety of ...
Mokubai's user avatar
  • 92.6k
7 votes
Accepted

How to get X to ignore my primary GPU?

So after a lot of digging I found that the answer lies here, in the descriptions of the options available for xorg's "OutputClass" section: Option "PrimaryGPU" "boolean" ...
rothloup's user avatar
  • 221
6 votes

Disable Alt + Arrow display flip keyboard shortcut

Press Ctrl + Alt + F12 Click on "Options and Support" You can now either disable the hotkeys or change the keys.
olleh's user avatar
  • 161
6 votes
Accepted

Did my graphics card (GPU) burn out?

With a bit of reasoning and the help of some users in the comment section of my question I quickly came to the conclusion that my ghraphics card just died of old age. Installed in March 2011, it ...
Marco Bonelli's user avatar
6 votes

What does "This port is for data transfer only" mean in relation to USB-C graphics output?

Based on the statement, "This port is for data transfer only." I highly suspect that the USB-C port is not using USB Alternate Modes. USB Alternate Mode is what is used to carry DisplayPort or ...
Keltari's user avatar
  • 73.2k
6 votes
Accepted

What are the values iside hevc_nvenc presets?

Run ffmpeg -h encoder=hevc_nvenc to get the list of presets. The choices are -preset <int> E..V..... Set the encoding preset (from 0 to 11) (default medium) default ...
Gyan's user avatar
  • 36.1k
6 votes

GPU struggles only in the primary PCIe slot. Is this a motherboard issue?

There should be no issues running your GPU in the second slot. That said, it's important to note that running any GPU in that means it only receives 8 PCIe lanes of bandwidth, instead of the full 16 ...
Ian Kemp's user avatar
  • 1,046
5 votes

How to run Google Chrome with NVIDIA card (Optimus)?

For recent versions Chrome (80 or so), head to chrome://flags/#use-angle and select OpenGL instead (the default option reads Default and varies by versions, where for Chrome 80 it's ANGLE), then you ...
iBug's user avatar
  • 11k
5 votes

Split monitor into virtual monitors

You can split a physical monitor into multiple displays by using dummy hdmi / dp adapters (https://www.amazon.com/gp/product/B07FB8GJ1Z). Once the virtual adapters are plugged in, you can open OBS and ...
AntonB's user avatar
  • 171
5 votes
Accepted

How to determine number of GPU cores being utilized for a process?

On GPUs, 100% utilization means that all cores are basically executing instructions. It is running at peak performance when all of those instructions are fused-multiply-add operations: a = a + b * c, ...
Bram's user avatar
  • 66
5 votes

How to backup Nvidia Control Panel preferences?

Nvidia Inspector can export and import Nvidia profile settings. Start "profile inspector" by clicking the icon on the right side, on the middle: Select "export user defined profiles" (import option ...
user198350's user avatar
  • 4,019
5 votes
Accepted

Disable Nvidia Control Panel from checking for updates

Nvidia creates a number of scheduled tasks. You can disable the task named NvDriverUpdateCheckDaily_{GUID} to disable the update checks. To do so: Run taskschd.msc to launch the scheduled task MMC ...
HelpingHand's user avatar
  • 2,408
5 votes
Accepted

What is the relationship between the graphics card driver and OpenGL on Linux?

I'm going to start with a brief API definition and move down from there just to make sure all the bases are covered. There's also a TL;DR below. APIs Overview In the first place, OpenGL describes an ...
baelx's user avatar
  • 2,986
5 votes

FFMPEG 4k HDR to 1080p SDR Hardware Tonemap Conversion ( OpenCL)

I managed to find a good compromise in quality and speed; with satisfactory results which for me were : FHD SDR tonemapped output. For anyone else; this is the command I've decided to use going ...
Alex's user avatar
  • 81
5 votes
Accepted

Do I need to install cuda separately after installing the NVIDIA display driver?

Result in advance: Cuda needs to be installed in addition to the display driver unless you use conda with cudatoolkit or pip with cudatoolkit. Tensorflow and Pytorch need the CUDA system install if ...
questionto42's user avatar
  • 2,257
5 votes
Accepted

How to install sound driver on Ubuntu 20.04?

Apparently for at least kernel version 5.15.0-88 in Ubuntu Focal (20.04), kernel modules are shipped in two packages, namely linux-modules-5.15.0-88-generic and linux-modules-extra-5.15.0-88-generic. ...
Tom Yan's user avatar
  • 9,623

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