Easy to replace if you have the service manual you just have to take out the optical drive case first. Of course it it wouldn't have helped I would have been stuck with it, but probably been able to resell it. It cost me $244 I think for a new one with a DOA guarantee. I don't know where I saw one for $100 like I mentioned above, I couldn't find that vendor/deal again. If it had been the logic board, I wouldn't have been able to get it replaced anyway.Īfter about three months with a new power supply I haven't had one problem. Of course if it hadn't been the PS I would have been out more money overall, but unfortunately in my situation you have to take those kind of chances. I'm disabled and on a fixed income and have little money, so I took the chance of it being the power supply instead of taking it to a costly tech. I was getting by just letting it sleep, but then I started having an issue where the 'sleeping light' on the front would stop throbbing but the system wouldn't not come on or it might instantly freeze, so I had to take action. If it was a bad/cold solder joint as mentioned above, that would also be the case. I was also thinking along the line that some obscure part in the PS might have needed to warmed up just at the right amount at the right time. My theory is that the initial surge of being plugged in with the power with the power button being pressed at the right time is getting the power supply over some hump. There is something about catching the power supply at a good moment just after it getting power from the AC line and pressing the power button that does the trick. Simply resetting the SMC does not have the same effect. I can get the system to start up by unplugging it and plugging it in several times repeatedly and eventually pressing the power button will start the system. This system has hardly ever been used and is off most of the time.Īlso, if 'Kolvir' ever got his system fixed and how he did it.Īny of you please respond. I'm going to try 'tobyglyn's' suggestion first because it makes sense. Simply reseting the SMC does not have the same effect. I VERY SERIOUSLY do not think it is the processor board. The PWR SUPLY test LED is good at every step of the process with the exception of getting fans and power when I reinsert the processor board. system and when though every isolation step and never got anything definitive. I'm Apple Certified so I tore it down to min. Pressing the button again generally does nothing.
I went to turn it on this weekend and there is a small initial click followed shortly by a second and final slightly different sounding click and then nothing. My MP 2009 remains off most of the time since it is just a backup. I have two towers a MacPro Early 2008 (my production system) and a MacPro Early 2009 (my backup system). It does not store any personal data.I'm having the EXACT same problem Kolvir was having. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. The cookie is used to store the user consent for the cookies in the category "Performance". Home / Hardware Equipments / Apple MAC Pro A1289 2009 2010 2012 Power Supply 980 Watts Used. This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other. The cookies is used to store the user consent for the cookies in the category "Necessary". The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The cookie is used to store the user consent for the cookies in the category "Analytics". These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly.
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