This means the capture card has an HDMI input port, and a HDMI output port. Make Sure the Source is Plugged into the HDMI In Port on the Capture CardĮlgato capture cards have HDMI pass-through. Connect the source or console directly to a monitor or TV to verify a video image is appearing. Make sure the source you are trying to capture is turned on and outputting a signal. These steps can also be used if the video signal is not appearing as expected. This guide will walk you through steps to take if your capture card has a source plugged in but it not detecting the signal correctly and is displaying No Signal or there is no video on the pass-through TV or monitor.