Same old problem: Mac Pro 4,1 -> 5,1 won't turn on (sometimes) and random shutdowns

[Guest Sartolo]

Hi everyone,

I've been lurking the forum for a while and now I'm looking for a solution to a problem that seems nobody on the internet has ever solved without replacing the motherboard, which I'd want to avoid as this Mac is a 0 budget project for me. I've recovered it 2 years ago literally from a dumpster and it wouldn't be worth it spending 80€+ on something I couldn't rely on anyway.

 

So, it's again the notorious MP 4,1 -> 5,1 problem: went good for months, then all of a sudden it...

 

Read more

 

Source: MacRumors