On May 14, 2012, at 9:58 AM, Valter Prahlad wrote:
Today I took out the upgrade CPU, and I put back in the old,
original Apple
667 MHz CPU (I applied thermal grease, connected the CPU fan wire,
pressed
the PMU switch).
Problem is, the Mac doesn't boot anymore.
When I press the power button, it doesn't make any sound at all (no
boing,
no beep), and the screen stays black. Fans are running, the power
button is
lit, and that's it.
Any idea how to troubleshoot this?
Thanks in advance,
Valter
It sounds like it may be a bent pin on the old processor. I would
double check tham.
Len
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