fan & drive spin, light on - everything stops
Computer was in sleep mode and when we tried to wake it, the fan spun as if the unit was overheating. Forced shutdown (unplug).
No I've tried many times to restart. The fan & drive start to spin. The light comes on. Then the unit stops. This happens in less than 10 seconds. The screen never turns on. It never gets to the step of booting up and looking for startup.
I'm guessing it is the logic board or the power supply.
Any help? How can I find and isolate the problem?
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