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How do I get my screen to open to full size? It just started to open in 1/2 (left) screen.

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Mozilla opens in 1/2 screen. I'm used to full screen. How do I get it back

This happened

Every time Firefox opened

== Today

Mozilla opens in 1/2 screen. I'm used to full screen. How do I get it back == This happened == Every time Firefox opened == Today

All Replies (3)

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how do i get the screen to show all not just in the middle like full screen and there are blank from both sides...i want to know how to adjust the screen to wide so no blank spots ..thanks

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textplease hekp me get my full screen back

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my screen is not full screen. how do i fix it?