My Mini turns on only if I reset the PMU (but fan spins at max)
Hello!
I wanted to update my old Mini A1283 with a working SSD from a dead laptop.
I also cleaned it and completely tore it down, including removing the heatsinks for changing the thermal paste.
If I start it up the light turns on, there's no chime and the fan slowly spins up to about half speed and then slows down. It doesn't respond to anything except from the power button. I tried everything (rebuilding it entirely, changing the RAMs, trying a single slot, resetting the SMC, changing the internal battery, even trying if it does the beep without the RAM). Nothing.
I read on internet that, if I press for 5 seconds the power button while I insert the power cable, release the button and press it again to turning it on, it resets the PMU or another thing inside the Mini. If I do that, my Mini starts with the fan at top speed. In MacOS SMCFanControl or Macs Fan Control shows neither fans nor temp sensors, but the Mac works fine and shut downs and restart as when it was new (except from the fan) until I remove the PSU. Then I have to reset the PMU again.
Is the logic board fried, or there's something else I can try?
Thanks in advance for the help.
Federico
P.S. I found some working logic boards like mine on Ebay for around 60 Euros including shipping....
Update (11/27/2017)
Sorry for the late answer, but I was on holiday...
Here's a photo of TG Pro:
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Your systems specs: Mac mini 2.26 GHz Core 2 Duo (Early 2009)
Your SSD's specs: Crucial m4 2.5" SSD
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