- Update your graphics drivers: Make sure your graphics drivers are up to date. Updating your graphics drivers can help to resolve display issues and bring back the missing top bar.
- Adjust your display settings: You could try adjusting your display settings to see if it makes a difference. For example, you could try changing the resolution or scaling settings.
- Reset your desktop environment: Try resetting your desktop environment to its default settings. You can do this by running the following command in the terminal:
- If none of the above steps work, try reinstalling MATLAB with the default settings again.