Comment 1 for bug 299914

What environment are you running this in? What versions? Do you happen to know if there are any other applications that are using the F12 shortcut? There is a README in the packaging that states the following concerning F12:

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Once the application is started, simply press F12 (by default) to open
the console.

However, on mac's, F12 is assigned to "right click"

To solve this problem - use the following instructions:

Run Yakuake.

In a terminal, run the command

killall -9 yakuake

This is so that the default configuration files are created (only needed if you have never ran yakuake before)

Next, edit the following file

~/.kde/share/config/yakuakerc

which should look something like this

        [Options]
        background=true
        focus=false
        height=30
        location=80
        screen=1
        steps=20
        tabs=true
        width=50

Add the following to the file:

        [Global Shortcuts]
        AccessKey=F11

And save the file.

Now, restart yakuake, and you should be able to use the F11 key to access yakuake!
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Thanks!