GFX Troubleshooting: Difference between revisions

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Add troubleshooting for low fps and stuttering
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If you have a recent Intel GPU you can simply switch to Vulkan in the graphic settings inside the client.
If you have a recent Intel GPU you can simply switch to Vulkan in the graphic settings inside the client.
Else type <code>gfx_gl_major 2;gfx_gl_minor 0; gfx_backend opengl</code> in the F1 console of the client and restart.
Else type <code>gfx_gl_major 2;gfx_gl_minor 0; gfx_backend opengl</code> in the F1 console of the client and restart.
== Low FPS, stuttering or similar problems == <!--T:21-->
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These problems can be caused by many things, most commonly stuttering is caused by a bad driver or overheating of some component.
Here is a guide that can help eliminate these kind of problems:
* Update all drivers, and the operating system to latest version. On Windows go in the Windows safe mode and uninstall the graphics driver using [https://www.guru3d.com/files-details/display-driver-uninstaller-download.html DDU] (not open source, please replace it with a similar tool) or similar tools. This can fix more problems than you could guess
* For Windows: restart Windows using the "Restart" button (not shutdown). This will clear some caches
* Clean your computers coolers. Remove any kind of dust with some air pressure (better don't use a vacuum cleaner because of electric charges). Watch if temperatures of the hardware components are below their proclaimed threshold.
* Make sure the hardware (e.g. the graphics card) is properly plugged in.
* Try to lower the refresh rate in the client (cl_refresh_rate, gfx_refresh_rate).
* For Windows: set Windows to high performance mode
* Close all other software (e.g. Discord, Mouse/Keyboard tools)
* Unplug all USB devices you don't need (USB sticks, controllers etc.)
* Try a different renderer in the DDNet client. settings -> graphics -> renderer