Simple Screen Recorder program records only a blank black screen on Ubuntu Linux.
The problem is solved with the following steps.
- Close all programs.
- Log out.
- Start a fresh login procedure. Click on the user name.
- Before entering the password, find the gear icon in the bottom right corner of the screen. Clicking this icon gives two options, Ubuntu and Ubuntu on Wayland. Select the first option, Ubuntu.
- Enter the password to complete the login procedure.