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> For a complete documentation index, see https://docs.nvidia.com/holoscan/sdk-user-guide/llms.txt.
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For better performance and to keep up with the high refresh rate of Holoscan applications, we recommend the use of a [G-SYNC display](https://www.nvidia.com/en-us/geforce/products/g-sync-monitors/specs/).

Holoscan has been tested with these two G-SYNC displays:

* [Asus ROG Swift PG279QM](https://rog.asus.com/us/monitors/27-to-31-5-inches/rog-swift-pg279qm-model/)
* [Asus ROG Swift 360 Hz PG259QNR](https://rog.asus.com/us/monitors/23-to-24-5-inches/rog-swift-360hz-pg259qnr-model/)

Follow these steps to ensure G-SYNC is enabled on your display:

1. Open the "NVIDIA Settings" Graphics application (`nvidia-settings` in Terminal).

2. Click on `X Server Display Configuration` then the `Advanced` button. This will
   show the `Allow G-SYNC on monitor not validated as G-SYNC compatible` option. Enable the option and click `Apply`:

   ![Enable G-SYNC for the current display](https://fdr-prod-docs-files-public.s3.us-east-1.amazonaws.com/nvidia-holoscan.docs.buildwithfern.com/3c60b5291f3ced559fe4eff5804b8a5a0fe421396aa50c82855cecf46b60fd77/v4.4/images/gsync_x_server_enable.png?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6KXJSKKNFOCF7G4B%2F20260911%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20260911T042555Z&X-Amz-Expires=604800&X-Amz-Signature=13bd8ff6f89f07bf5d9d45c4bd5a4f74daa225ee44f263d37329d64c634fbefc&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)

   Enable G-SYNC for the current display

3. To show the refresh rate and G-SYNC label on the display window, click on `OpenGL Settings` for the selected display. Now click `Allow G-SYNC/G-SYNC Compatible` and
   `Enable G-SYNC/G-SYNC Compatible Visual Indicator` options, then click `Quit`. This
   step is shown in the image below. The `G-SYNC` indicator is at the top right of the screen
   once the application is running.

   ![Enable Visual Indicator for the current display](https://fdr-prod-docs-files-public.s3.us-east-1.amazonaws.com/nvidia-holoscan.docs.buildwithfern.com/d8d3d6582d3c1b90a99ea96fb916723ded0b262cb448b497bcdefad5ced9b95d/v4.4/images/gsync_opengl_settings.png?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=AKIA6KXJSKKNFOCF7G4B%2F20260911%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20260911T042555Z&X-Amz-Expires=604800&X-Amz-Signature=1537548d0f2835e4ab7a56d2fbbcda18ba6f9f2dc6c01405c0ab534aafacec3c&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)

   Enable Visual Indicator for the current display