Have you owned this 2009 Mac Pro since new.or did you purchase it used & don't really know much about its history before that?Īlso.if you don't mind.where did you purchase the replacement power supply from? But sometimes worth a try if you know you can return it if it doesn't work properly. Even used Mac Pro power supplies can fetch $75-$125 on eBay (with no guarantee they will be much better than what you have). Usually replacement Mac Pro power supplies (brand new) can be pretty darn pricey (couple hundred $$$ at least). Have you owned this 2009 Mac Pro since new.or did you purchase it used & don't really know much about its history?Īlso.if you don't mind.can you share where you purchased the replacement power supply from? If this is true.then this would greatly reduce the possibility of a worn out power button. I'm assuming if you're like me that you would usually put your Mac Pro to sleep when you're done with it for the day.and then you tap your keyboard or mouse to wake it up. If you've already stripped things down to minimum hardware configuration.then maybe the old power supply has gotten so weak it doesn't have enough "juice" to start it up.
As well built as Mac Pro's are.I guess all the hours & hours & hours of operation eventually take their toll on the power supply. I would say the #1 problem I run into with older Mac Pro's (2006 thru 2012 models).is worn out power supplies. I tend to mess around with older Apple computers when I can pick one up off Craig's List inexpensively. If it's a "weak" power supply.this is where stripping the Mac Pro down to as minimum a hardware configuration as possible will be a great place to start. Since there is a very high likelihood the power supply is getting weak (if it was totally bad many times you will hear a loud POP.and smell lots of nasty smelling "electrical" smoke from the power supply). I've searched the internet.and there is some info out there.but it's not easy to find.Įnd of the day from my experience.when this sort of issue pops up.it usually is the power supply (unless the Mac Pro power button is faulty). To complicate things further.Mac Pro's from 2006 thru 2012 used various different power supplies.which then reduces the info available for any single Mac Pro power supply model.
#REMOVING A MAC PRO POWER SUPPLY WINDOWS#
Since Mac Pro power supplies are not super common (relative to the overall computing world as a whole).and since the average Mac Pro user is not the sort of user that "tinker's" with the innards of their computers (like a lot of Windows users do).there's not a whole lot of info on the internet regarding testing Mac Pro power supplies. This will allow the Mac Pro to demand as little power as possible from the power supply.and possibly get the Mac Pro working again (if the power supply is the issue).Īs far as testing the power supply. * Only run one internal storage device (HD or SSD). What I mean is.run the Mac Pro with the simplest configuration possible: When I run into a Mac Pro with a suspected power supply issue (and possibly in this case with a 2009 Mac Pro that I'm assuming previously always worked fine).one of the first things I do is strip the Mac Pro down to as little hardware as possible. Click to expand.I tend to mess around with older Apple computers when I can pick one up off Craig's List inexpensively.
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