Official comment
Likely an issue with the drivers, but I'll ask you to please file an inquiry ticket here and our rekordbox support team will be able to gather some additional information to assist you in resolving this issue.
I have a problem with Rekordbox video. How do I get the 2nd display to full screen? I currently have a valid video license for the add on and the video check box enabled in the software, I mean the .mp4 video plays fine on my laptop in Rekordbox, but when I try to move the pop up preview video off of the master to the 2nd display, I get a grey screen and it freezes and never goes to full screen. I am running an MSI laptop with an Intel Core i7-8750H @ 2.20GHz, 16.0 GB of RAM, 64-bit Operating system, x64 based processor. I followed a recommendation to update the Intel Drivers via the Support Assistant but this hasn't resolved the issue. Can you please provide me a way to get the video to full screen.
Likely an issue with the drivers, but I'll ask you to please file an inquiry ticket here and our rekordbox support team will be able to gather some additional information to assist you in resolving this issue.
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