Hey Fulmercurio, I did some digging around and may have found what was causing it. Apparantly in Windows 8, anything that requires GPU processing would not be rendered (ex: closed laptop lid or no monitor). It's possible that this may have carried over into Windows 10.
Try disabling graphics hardware acceleration. Since this feature was added to Firefox, it has gradually improved, but there still are a few glitches.
Oct 28, 2016 Teamviewer Blank Screen Problem Solution. I have encountered this problem and I wanted to share this solution to all Teamviewer Users. Below is how to deal with Teamviewer Blank Screen Problem: The Problem. I have this remote computer that’s running 24/7 under Windows XP. Want to develop an application on MAC, in which for security reason I want to block the following actions 1. If a user shares screen using any screen sharing application like TeamViewer, any desk, etc, at another end, the application should not be visible. It should be shown as a blank patch.
You will need to restart Firefox for this to take effect so save all work first (e.g., mail you are composing, online documents you're editing, etc.).
Then perform these steps:
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Turn Mac screen sharing on or off. You can use screen sharing to access your Mac while you’re away, solve a problem on someone else’s Mac, or collaborate with others on a project such as a website or presentation. How do I share my computer screen with TeamViewer? Locate and download TeamViewer (Mac). Zoom: TeamViewer for Mac Download link in HSU Software Downloads Webpage.
If the problem is resolved, you should check for updates for your graphics driver by following the steps mentioned in these Knowledge base articles:
Thank you.
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