Testing your PRAM battery is a no-brainer. 1) Turn off your computer 2) Unplug it from the wall and let it sit - from ten minutes to overnight. 3) Plug it back in, wait 2 minutes, and start it. 4) If your Mac has forgotten the date and time, the battery is no good. > > And how does the battery test for voltage? Did you press the Reset or > > CUDA button? > > > > I don't have the skill to do that, nor do I have a voltmeter. I was > thinking of taking it to work where someone might be able to test it.