Rep: 31
5
4
Is there any way to test the power supply and the dc to dc board? I really don´t know wich one es bad, or even if the logic board could be damage. This mac is completly dead :(
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Rep: 685,3 mil
3,4 mil
1,1 mil
2,6 mil
Unscrew the three screws on the bottom of the frame and remove the back. Look at the 25 capacitors on the motherboard. Examine the cans for corrosion and/or bulging. Look at the 4 LED lights at the middle of the motherboard and see if any are on. Just to the left and down just a bit you will see a reset button or two hit them. You may see a reset button on the power supply, hit it. Examine where the cords enter the power supply from the motherboard and look for a burned or darkened area. Let me know what you find so we can proceed. Thanks for coming to iFixit.
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Thanks, I have to take the logic board out to see the capacitors, and is to late here now, im in spain :) both, the dcbord and the power supply are yellowish, as result of overheating I supose, the aluminium paper below is with brown big spots, but the chips and the capacitors are not blow not fried, so... I dont know if the yellow cast is just heating or real damage. That is why I want to test them before buying the part. Thanks again (and sorry if my english is not as good as I want to) XDD
Hi, The logic board were ok, I bought a power supply, and now is working. Thanks for your help ;)
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