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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 --...
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 ...
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](...
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.
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 ...
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 ...
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 ...
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"
...
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.
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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, ...
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 ...
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 ...
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 ...
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 ...
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 ...
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. ...
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