Menu bar is not visible, but it is button mode full-screen. How can I fix it?

While I'm in Firefox, it seems that I am mode full screen, as my menu bar is missing in the application, but when I looked at how to troubleshoot, it told me to click the mode button full screen (with diagonal arrows) but is not visible anywhere in my browser. If not, how can I exit full screen mode? Thank you!

You get the menu bar if you close this window of Firefox?

On Mac, you can't hide the menu bar as in Windows and Linux, and because the operating system control the menu bar then it may not be a Firefox problem.

You can try:

You can also try to remove the Firefox plist file.

See how the .plist files becomes corrupt and troubleshooting results

Come on in "library > Preferences" and remove the plist for Firefox (org.mozilla.firefox.plist).

Tags: Firefox

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