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Instructions for resetting the PMU NOt PRAM in Powerbooks when Apple Firmware update goes wrong: Zapping the PRAM will not bring back your Bluetooth. You have to reset the PMU.(Power Management Unit) Mac OS X PowerBook G4 (12-inch), PowerBook G4 (12-inch DVI), PowerBook G4 (15-inch FW 800), PowerBook G4 (17-inch) and PowerBook G4 (17-inch 1.33GHz) 1. If the computer is on, turn it off. 2. Reset the power manager by simultaneously pressing and then releasing Shift-Control-Option-power on the keyboard. Do not press the fn (Function) key while using this combination of keystrokes. 3. Wait 5 seconds. 4. Press the power button to restart the computer.

Using page recorder to make a "reset" for your smartboard lessons

If you're like me and having awful trouble in Firefox these days, my friend Luke suggested that I reset everything in Firefox - here is the information on how to do that.