As already in the title, Elgato has no picture on the pc while ps4 runs normally, sound runs on the Elgato software.
In Ps4 system I have already disabled the protection and tested all USB 3.0 ports.
graphic Nvidia gt 710
Processor AMD FX (tm) -8120 Eight-Core Processor 3.10GHz
I was able to fix the error myself, I found out that it is on my USB port and this needs a new driver.
https://decatec.de/home-server/verbindungsprobleme-bei-usb-3-0-festplatten-hintergruende-und-loesungsansaetze/