How to share black screen in Zoom meeting App

If you see a black screen during a screen sharing meeting, this may be due to the graphic card (eg Nvidia card) switching automatically.

How to fix 

  1. Open the Nvidia Control Panel in the Windows Control Panel .
  2. Click Manage 3D Settings
  3. Click [ Program settings ] under [ Use the following 3D settings ].
  4. Selection of customize program [under] Zoom Bin [from] directory Cpthost.exe to add a].
  5. Click Add .
  6. Find Cpthost.exe from the Zoom bin directory .
    (Located at C: > Users> YOURUSERNAME> AppData> Roaming> Zoom> bin)
  7. Click Add Selected Program .
  8. Select integrated graphic
  9. Click Apply
  10. Try Screen Sharing again with Zoom.