![GPU rendering causing artifacts, aka darker areas (R9 270x - Blender 2.7a) - Technical Support - Blender Artists Community GPU rendering causing artifacts, aka darker areas (R9 270x - Blender 2.7a) - Technical Support - Blender Artists Community](https://blenderartists.org/uploads/default/original/4X/2/c/c/2ccaf509580d135d31a028e68e1e992bdd453f4c.png)
GPU rendering causing artifacts, aka darker areas (R9 270x - Blender 2.7a) - Technical Support - Blender Artists Community
![If GPU Compute is greyed out in the settings, You are NOT using your GPU. Choose one of these from system settings other than "None". : r/blender If GPU Compute is greyed out in the settings, You are NOT using your GPU. Choose one of these from system settings other than "None". : r/blender](https://i.redd.it/nti59513j8d61.png)
If GPU Compute is greyed out in the settings, You are NOT using your GPU. Choose one of these from system settings other than "None". : r/blender
![Render Device menu grayed out with CUDA selected under "Cycles Compute Device" - Lighting and Rendering - Blender Artists Community Render Device menu grayed out with CUDA selected under "Cycles Compute Device" - Lighting and Rendering - Blender Artists Community](https://blenderartists.org/uploads/default/original/4X/7/f/9/7f912b0cf9eafef6e32b6bb5b3b1525751a46b7f.jpg)
Render Device menu grayed out with CUDA selected under "Cycles Compute Device" - Lighting and Rendering - Blender Artists Community
![How to turn on gpu rendering? It shows gpu compute but whenever i actually render the image, it shows my cpu power as 100% but my gpu on idle : r/blenderhelp How to turn on gpu rendering? It shows gpu compute but whenever i actually render the image, it shows my cpu power as 100% but my gpu on idle : r/blenderhelp](https://preview.redd.it/3oe18knmfvc81.jpg?auto=webp&s=29a6d12dfca51d1d17ead36e17595b282f362566)