If your Rok Box's monitor output has issues, such as glitches, disconnects/reconnects, or other issues, there are a few things to try.
Please try these troubleshooting options:
1. Run Windows Update. Instructions here: https://support.microsoft.com/en-us/windows/get-the-latest-windows-update
2. Run Windows System File Checker, instructions here: How to troubleshoot corrupted Windows System files
3. Reinstall your graphics card drivers by downloading the latest driver pack for your GPU, which may be found here:
If the issue persists, it may be necessary to remove and re-seat your graphics card.
You may find instructions on how to do so here:
https://obpcal.freshdesk.com/support/solutions/articles/69000801174-how-to-install-your-rok-box-gpu
If your issues persist, please open a support ticket.