Hi @sanso,
Did you notice any error notification on primary machine?
Do you maybe have splashtop WiredX dispay software on your primary machine?
For further analysis, could you please send us the following info:
Primary Machine
– operating system (Windows 8.1/10)?
– graphics adapter (AMD/Intel/Nvidia)
– network connection type (wired/wireless/USB tethering/WiFi Direct)
Secondary Machine
– Viewer type (Android/iOS/Windows/HTML5)
– network connection type (wired/wireless/USB tethering/WiFi Direct)
Please also run dxdiag.exe on your primary machine, click „Save All Information“, then attach the output file (dxdiag.txt) on your next reply.