OptiX not detecting my GPU (RTX 2070) #84925
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Reference: blender/blender#84925
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System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: GeForce RTX 2070/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 461.09
CPU: I9-10850K
Motherboard: Z490 AORUS ELITE AC
Blender Version
Broken: version: 2.91.2, branch: master, commit date: 2021-01-19 16:15, hash:
5be9ef4177Worked: (newest version of Blender that worked as expected)
Short description of error
OptiX not detecting my GPU
Exact steps for others to reproduce the error
Added subscriber: @Indoraptor
Added subscriber: @rjg
Changed status from 'Needs Triage' to: 'Needs User Info'
I can't reproduce the issue on my system.
Can you please check the following:
Please open Blender's installation directory and double click on the
blender_debug_gpu.cmd. This will start Blender in debug mode and create log files. Try to enable the GPU in the OptiX tab again. Once it doesn't list the GPU, close Blender. The Windows Explorer should open and show you up to two files, a debug log and the system information. Add them to your bug report by clicking on the upload button as shown in the screenshot below or via drag and drop.Thanks for the fast reply!
OpenCL error: CL_PLATFORM_NOT_FOUND_KHR in device_opencl_get_num_platforms_safe(&num_platforms) (C:\b\buildbot-worker-windows\windows_291\blender.git\intern\cycles\device\device_opencl.cpp:144)
Switching to fully guarded memory allocator.
Blender 2.91.2
Build: 2021-01-19 16:25:50 Windows Release
argv- [x] = D:\Steam\steamapps\common\Blender\blender
argv- [x] = --debug
argv- [x] = --debug-gpu
argv- [x] = --python-expr
argv- [x] = import bpy; bpy.ops.wm.sysinfo(filepath=r'C:\Users\Zsombor\AppData\Local\Temp\blender\debug_logs\blender_system_info.txt')
Read prefs: C:\Users\Zsombor\AppData\Roaming\Blender Foundation\Blender\2.91\config\userpref.blend
read file
found bundled python: D:\Steam\steamapps\common\Blender\2.91\python
Saved session recovery to 'C:\Users\Zsombor\AppData\Local\Temp\quit.blend'
Blender quit
Press any key to exit . . .
I would suggest you uninstall and reinstall your graphics driver.
Should i install the Studio or the Game ready driver?
Both should work equally well.
I reinstalled and still nothing
Added subscriber: @YAFU
The user has an intel iGPU. I'm not sure how to get information in Windows about which graphics driver is being used and if that might be related to the problem.
In principle you make sure that the monitor/display cable is connected to the nvidia card and not to the motherboard.
I reinstalled my OP System and now it works!
Changed status from 'Needs User Info' to: 'Archived'