I I upgraded to v12 and remotely connected to my second computer. It worked fine but now the local display on that second computer is just black. The only way I can use the second computer is using TeamViewer, I can't use it locally because it seems TeamViewer has turned off the display. The screen remains black locally even when I exit teamviewer on the machine in question. It is like the TeamViewer service is shutting off the local display. When I boot this computer I see the windows logo for a bit then the screen goes black and the monitor acts as if it is not getting a signal (monitor light turns from blue to orange.) Yet I know the computer fully booted because I can still access it youing TeamViewer from another computer. I made sure the Show Black Screen is not checked. I never did you that feature.
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Also an important note on this issue. It started after TeamView stalled when trying to connect to the computer in question with a message about getting the display ready. I was unable to connect to the computer until I accessed it locally and did a hard reset because the display was black. Also now when I connect to it with TeamViewer it always resets the screen resolution to a low resolution even though I set the preferences to not adjust the screen resolution. Not sure it that is related in any way.
Since I have had no response on this issue I assume I am the only person that this has happened too? I got no response from TeamViewer support either. Currently, the only way I can access and use my second computer is through TeamViewer even though it is sitting right next to me because the display is gone locally. I suspect TeamViewer is preventing the local display from working but I am hesitant to uninstall TeamViewer as right now it is the only way I can access my computer.