Question about Computers & Internet
The F9 key is locked and will not function on my desktop keyboard. I need F9 to do calculations on spreadsheets and tables.
If its only f9 key, sounds like your keyboard is bad. If you have another computer you can test it on, do it. If it works there, its somewhere in the computer. If not, buy a new one
Posted on Jan 11, 2013
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Posted on Jan 02, 2017
Before you try steps #3 & #4 unplug USB receiver from computer, connect old kyboard then re-power your system. Once power is backup plug-in USB receiver and your mouse should be working. If you have a password-sign-in using old keyboard. Once I signed-in a logitech dialogue box opened asking me to encrypt logitech kyboard. Follow directions on screen and I was up and running in 2 minutes without having to un-load or re-load any software.
Posted on Jun 19, 2009
Your "Num Lock" is on.
Look for the num lock key (it's similar to the "caps lock" key in function)
If the "num lock" is blue, you may have to hold a blue "fn" key when you press num lock
There's is probably a light at the top of the keyboard that'll tell you when num lock is on.
Posted on Sep 20, 2009
If key-combinations do nothing to remedy your Fn-problem, try this:
Posted on Nov 10, 2010
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