In this article we will show you how to fix a Cisco Webex Conference shared screen from waffling or flickering.

We have had many Webex conferences with people and a topic which arises a lot is the shared screen is flickering or waffling, we tried everything from disconnecting second screens to changing screen resolution but this still had no effect.

Well after trawling webex support site (this was very well hidden) we finally found the issue and more importantly the fix.

How to Fix the Webex Screen Flicker


Visual Distortions or a Waffle Screen During a Desktop Share on a Windows Vista or Windows 7 System
Common symptoms you may be experiencing:
Visual distortions or a waffle screen during a desktop share on a Windows Vista or Windows 7 system.
Attendees see yellow crosshatched patterns during an application share.
Attendees see visual distortions while desktop sharing on a Windows Vista system.
Screen has crosshatched patterns when sharing an application or desktop on Windows 7.
Screen flashes or flickers when sharing the desktop.
Follow the steps below to change from the default Windows desktop theme to Windows Basic:Windows Vista:

  1. Right-click the desktop, then select Personalize.
  2. Click Window color and appearance.
  3. Click Open classic appearance properties for more color options.
  4. For Color scheme, select Windows Vista Basic.
  5. Click OK to save your changes.

Windows 7:

  1. Right-click the desktop, then select Personalize.
  2. Under Basic and High Contrast Themes, select Windows 7 Basic.
  3. Close the Personalization window.

Hope this fixes anyone who found this annoying.


The Indigo Team.