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Firefox no longer opens in full screen on my Macbook Air. How do I correct this?

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Firefox no longer opens in full screen on my Macbook Air. How do I correct this?

It used to and now longer does. Similarly all new tabs.

Firefox no longer opens in full screen on my Macbook Air. How do I correct this? It used to and now longer does. Similarly all new tabs.

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You open Firefox and then press F11. Firefox will be in full screen mode. You do not close it, and you just power off. Next time, Firefox will stay in full screen mode.

Thank you for that. Unfortunately it did not work for me. The best I got was to use command+control+f which opened the page in Full screen and for following windows, but only as long as the computer was running.

Ok. I am not familiar with iThings. Do you have other applications that will be full screen always?

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