Got a new Mac Pro so the OS is Leopard, I had F-keys assigned to open menus etc., and they are no longer working, e.g., I had F 10 assigned to Image Size, now it turns the mute on and off.
What system are you coming from? Checkout System Preferences in the Apple menu, click on Keyboard & Mouse then Keyboard Shortcuts to see if that’s what you might be looking for. Good luck.
At change of system your old assigned keyboard shortcuts will not travel with your user onwards to your new system automatically. First of all you have to turn off the system default shortcuts for the Fkeys. You do that in System Preferences. Keyboard and Mouse, Keyboard. See text at the tickbox and check if you have it on or off. Assigning other functions to the f-keys you use the Keyboard Shortcuts area. What LarryGR mentions above is only for Photoshop.
No doubt it’s the new aluminum keyboard (which I love), that’s tripping you up. There are a couple of ways to address it.
Go into the Keyboard preferences and place a check for the
Use all F1, F2, etc. keys as standard function keys (i.e., the "old way")
You can then assign different keys for system level control in Keyboard shortcuts tab.
Alternatively, you can leave it unchecked – in PS, press and hold the fn key (next to the home key), before using your standard F key shortcuts. The fn key is basically a temporary "toggle" to switch the focus between system and application. So, pressing fn before hitting F10 will not mute the system sound, but carry out whatever PS shortcut you have assigned.
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