Such machines appear in the shop all the time. The funny thing (at least to the tech) is how many folk say it's not overheating. And then we clean the vents and heatsinks, and maybe replace heatsink compound, a power supply or board or find some corrupt OS.
The constant so far is it's rarely the same thing except that folk don't keep the vents and such clean.
Got a really strange problem here, with my Mac Pro.
My Mac Pro suddenly shuts down, and starts up again automatically. No warning, no freezing - just a shut down noise and black screen. After 3-4 seconds, it starts up again.
Can someone help me with that?
All the best,
2010 Mac Pro 2.GHz Quad-Core Intel Xeon
RAM: 16GB Kingston RAM
2x1000GB HDs (one from apple, and another Western Digital)