Caps Lock, Num Lock "freeze"

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http://forums.fedoraforum.org – I'm using the Microsoft Natural Ergonomic 4000 keyboard with Fedora 18. Whenever I press the Caps Lock key or the Num Lock key, Fedora stops receiving input from either the keyboard or my mouse. It does not appear that Fedora is actually frozen, since the cursor continues to blink in certain programs. However the mouse point will not move, mouse buttons do nothing, and none of the keys on my keyboard produce any kind of result after the "freeze." Interface will not resume receiving input until after I do a hard reboot with my machine's power button. (HowTos)