Hi there, I'm using hyperion now for many years with different hardware but only with internal grabber. Now I want to expand the setup: I have bought a HDMI Splitter and a USB HDMI Grabber so now my chain is: Ordoid C2 (Coreelec),PS3,PC --->AV Reciever --> HDMI splitter -->TV and USB HDMI grabber on RPi1 with WS2801 Splitter, Odroid C2, RPi1 and WS2801 are all using the same power supply Without the USB Grabber connected every thing is working fine: Nice Picture on the TV, CEC from the TV Remote through the reciever to Coreelec But If I connect the USB grabber the Troble begins: Sometimes CEC is only working down to the reciever, not to the Odroid The grabber is not able to capture a picture. The RPi1 runs a Dietpi and I installed hyperion via the installscript. Config was done via hypercon. At Bootup the rainbow-effect shows up. Output from lsusb for the grabber is Fushicai USBTV007 Video Grabber [EasyCAP] I have tried with different sources and also tried the USB grabber on my laptop, no difference. Sadly I've got no second display, to test if simply the splitter is not working. If I connect the Grabber directly with the Odroid, nothing changes. How could I debug the grabber further?