We've contacted DisplayLink about the issue and are currently waiting for their answer. Switch the "Rendering Engine" to "Metal" or if that doesn't work either to "OpenGL" or "Core Graphics (Quartz)".Until either DisplayLink or Apple correct these issues, here's a workaround for getting RDP connections working properly when using DisplayLink hardware or in installations where no GPU acceleration is available: Since this mode uses hardware/GPU acceleration to render the remote screen, it's also impossible to use this mode when macOS is run inside a virtual machine or under certain circumstances when connected to a real Mac remotely using Apple Remote Desktop/Screen Sharing. If you're not sure whether or not your Adapter/Docking Station/Converter is using a chip by DisplayLink, you can check in the "System Information.app" by going to "USB", finding your device and looking for "Manufacturer: DisplayLink" in the details pane. More Information about DisplayLink issues on macOS.Known issues with DisplayLink on OS X 10.9, 10.10 and 10.11 (Mavericks, Yosemite and El Capitan).Known issues with DisplayLink on macOS 10.12 (Sierra).Specifically, USB adapters/video controllers by DisplayLink have several known issues: Scroll down and switch the "Rendering Engine" to "OpenGL" or "Core Graphics (Quartz)"Īlso, this way of rendering the remote screen is problematic when using certain USB adapters to connect external monitors.Navigate to "Connection Types - Remote Desktop".Moving the mouse will result in the area immediately under the pointer being redrawn correctly, and dragging a window (in the remote session) off. If you however want to continue using an older version, a simple workaround for this problem is to switch to another rendering engine. As an ongoing issue (for at least the past three major OS X versions), I find that when trying to remote to another machine using Screen Sharing, the remote screen gets painted completely black. If you're using an older version of Royal TSX or the FreeRDP plugin we recommend that you update to a newer version to fix the problem. It has already been fixed in the FreeRDP plugin version 3.4.1 and Royal TSX V4. This problem only applies to Royal TSX V3 and FreeRDP plugin versions before 3.4.1. The other direction connects, but the remote screen shows totally black except for the cursor. Screen Sharing from the iMac to the MacBookPro works as expected. Unfortunately, Apple introduced a bug in macOS Mojave 10.14.5 which may cause the session to show as a black screen. My MacBookPro and my iMac are both running Big Sur. This new engine improves performance while reducing power consumption so it's a big improvement. In Royal TSX 3.0 we added a new (layer-based) rendering engine to our RDP implementation. Solution home Royal TSX (for macOS) Knowledge Base Black or White Screen when using RDP
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