To remedy this issue, please install our Virtual Display Driver on the machine you setup Splashtop Streamer. The machine that shows on your Splashtop computer list. Links to articles, below.
For Splashtop Streamer v3.5.8.0 and lower: https://support-splashtopbusiness.splashtop.com/hc/en-us/articles/212724063-Display-Issues-or-Black-screen-when-I-establish-a-remote-session-to-a-headless-Windows-PC-
For Splashtop Streamer v3.6.0.0 and higher: https://support-splashtopbusiness.splashtop.com/hc/en-us/articles/16913613811355-Virtual-display
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