On occasion when a Mac user shares their screen, viewers are only able to see a gray screen or only the desktop. This issue occurs when the Screen Recording privilege is not provided to the specific software/programme. This issue can be seen when using the following programmes:
Teamviewer
Webex
To resolve the issue and allow users to view your shared screen follow the steps below:
Click the Apple icon located at the upper-left of the screen and menu that is displayed click System Preferences.
This will display the System Preferences window. From here, select Security & Privacy.
Locate the Screen Recording option from the list provided on the left. Select it and you should see Cisco WebEx Training Center listed on the right.
When enabled you will see the message below. Make sure that you click Later.
Close the settings and resume your session.
RECOMMENDED: To avoid ant other potential issues while using Webex on a Mac, it is recommended that you repeat the above process and enable Cisco WebEx Training Center under Microphone and Accessibility.
The above procedure can be followed to allow a user to share their screen via Teamviewer.
GV - 05/20