Trying the same setup as above I have only ever seen a black screen in ithe preview mode although the monitor display is as expected. I used the OBS logs to check the previous capture card and there seemed to be a problem with data.getdevice failing so I returned that device and bought a similar device from another manaufacturer. However, after 2 or 3 test runs the system seemed to get confused and thereafter reconnecting the card resulted in the black screen being displayed instead of the expected copy of the monitor and all attempts since (restarting the app, rebooting, reconnectiong the different cables in different sequences and trying the USB connection into various USB ports and uninstalling and reinstalling OBS studio) result in still getting the black screen. Using a previous similar capture card, using their supplied configuration guidelines for OBS, I found that on initial connection I was able to display the captured HDMI feed on the OBS preview screen and was also able to record the screen on the PC/laptop. So I know the card is successfully forwarding the HDMI connection through to the target display device and also that the card is being seen by the PC/laptop and the expected driver is loading. I also see the extended screen output displayed exactly as if connected without the capture card inserted into the HDMI connection. Plugging the capture card USB into the PC/laptop and watching device manager I see the USB Video driver load under Camera's section. I connect the original HDMI cable from source system into the input port and use a second HDMI cable connected from output port into my display device (monitor) and the capture card USB port is connected to my laptop/PC USB port I have tried this on several laptops and a PC, all running Windows 10 21h2 and with OBS Studio 27.1.3 (64 bit) installed and quickly end up with a system that only shows a black screen in the preview mode when the source is configured as "Video Capture Device" and the device as "USB Video".Īs a simple test system I have used a second monitor connected, using HDMI, to my PC or laptop, and have connected the capture card in the HDMI feed to the monitor, as described above. Recently purchased an HDMI video capture USB card off Amazon intending to use it with OBS studio to allow me to record HDMI feeds from various devices on to my laptop/PC.
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