Question / Help dual nvidia card win10 Failed to start


New Member
my system:
i7 6800k@4.0+16G ram +GTX 1080+ gt1030
I want to play game with 1080
and obs stream with 1030
I download the OBS at version 21.1.2
and I got a trouble:
in the setting obs :
if i choose the GPU0(gtx1080),obs works well.
if i choos the GPU1(gt 1030),obs can not start stream,and tell me there is a problem:
屏幕快照 2018-07-27 下午3.59.48.png

Failed to start the output, please check the log for details .....

so how can i solve this problem?
both two nvidia cards has been detected normally,


Active Member
Physically remove the GT 1030. The overall performance of your system will be better, since as long as it is plugged in, the pci-express bandwidth is divided between them and the 1080 isn't being operated at full speed. Even if you don't use the 1030 at all.