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VNC Server must be restarted after manually editing the Registry. CaptureMethod can also be specified using the Registry under HKLM\Software\RealVNC\vncserver by creating a String value named CaptureMethod and with a value of 1.This can also be changed in VNC Server's Options, Expert section using the CaptureMethod parameter and setting a value of 1.To access VNC Server's Options, either right click the VNC Server icon in the notification area or launch VNC Server from the Start Menu and click the 3 lines (hamburger) menu in the top right of the VNC Server window. Disable DirectX tracking in VNC Server's Options, Troubleshooting section.If HDR is enabled for a particular monitor, try disabling HDR support in Windows display settings.If VNC Server is running on a laptop, do not completely close the laptop lid.Change your Power settings on the VNC Server computer to never turn off the monitors/displays and that Windows is not set to a "Battery Saver" power mode.Please find below a list of workarounds that you can use to mitigate this issue: In the above situations, Windows does not correctly report graphical updates to be captured by VNC Server using DirectX. The issue is most commonly seen when connecting to a computer with no monitors attached (headless), or a monitor using HDMI/DisplayPort is connected but powered off.
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the Start Menu is smaller than expected.In some circumstances, your remote computer running Windows will not display correctly in VNC Viewer.
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