Polycom RealPresence Collaboration Server (RMX) 1500/2000/4000 Administrator’s Guide
4-28 Polycom, Inc.
3Click Yes to run the diagnostics.
The DirectX Diagnostic Tool dialog box opens.
4Click the Display tab.
To be able to display the video preview window, the DirectDraw Acceleration and
Direct3D Acceleration options must be Enabled.
If the video card installed in the PC does not support DirectDraw Acceleration, a black
window may be viewed in the Video Preview window.
5Click the Exit button.