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I cannot type into Firefox.

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I cannot type into Firefox. It worked fine yesterday. I noticed that it upgraded to 23.0 earlier and then 25.0 later in the day. I run it once a day for a particular website. Curiously, I can cut and paste, so I typed this in another application and then pasted it into this box. It is rather annoying that I couldn't use a different browser to report the problem. Other applications and web browsers work just fine. Control-V does not work. I need to use the right click menu to do the copy and paste in Firefox. I tried running in Firefox Safe Mode and tried re-installing Firefox.

I cannot type into Firefox. It worked fine yesterday. I noticed that it upgraded to 23.0 earlier and then 25.0 later in the day. I run it once a day for a particular website. Curiously, I can cut and paste, so I typed this in another application and then pasted it into this box. It is rather annoying that I couldn't use a different browser to report the problem. Other applications and web browsers work just fine. Control-V does not work. I need to use the right click menu to do the copy and paste in Firefox. I tried running in Firefox Safe Mode and tried re-installing Firefox.

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Follow up. Very strange. I saw the Help/Keyboard Shortcuts menu and went to that page. I started trying some of them with no effect, until I accidentally pressed the "fn" key on my laptop keyboard. Suddenly, I could type again. This seems very odd, in that nothing else seemed to be affected. Still, it is good to have Firefox back.

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What worked for me was holding down F9 and while still holding it hold down the Windows key (I have a gaming computer that disables the left one so I don't hit it in game but I just hit the right one) and that worked!

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The holding down F9 and Windows key solution is also suggested in this thread: [/questions/947513]