Date: Fri, 22 Jul 2005 01:41:05 -0600
From: Mike Kauspedas <[EMAIL PROTECTED]>
on 7/23/05 1:12 AM, Dallas at [EMAIL PROTECTED] wrote:
I was using my B&W for a while, shut it down, came back an hour later
and it wouldn't start. The fan comes on, HD spins up, front LED is
green, but no start up tone. I reset the logic board/CUDA but to no
avail. I noticed that when it was working, there was a green LED
right beside the CPU, but it doesn't light anymore - only flashes at
power on. I pulled the battery overnight, yet it still will not boot.
Any ideas?
Thanks,
Dallas
Do you have another video card you can try? Sorry for the obvious. Maybe
RAM, if you've got multiple ticks you can always try one at a time. Who
knows. It could also be a component in one of the PCI lots if u have any, or
possibly something external.
If it isn't chiming, something is loose or dead. Assuming you
haven't fixed it with any of the easy things, reset your goal to just
getting it to chime. A Mac that isn't chiming is either very sick or
has a bad or disconnected speaker. :-)
Disconnect all your internal and external disk drive and peripheral
cables. Pull any PCI cards. Reseat the CPU. Pull all the RAM except
one stick and reseat that. Try booting. If you don't get a chime,
try the RAM in a different slot. If no joy, try a different CPU
card if you've got one. Try a different RAM module.
The B&W is the first machine with flashable firmware, yes? If not,
make sure that the ROM module is properly seated. The Beige doesn't
light its little green light when the ROM is bad or improperly seated.
Once you get to a chiming machine, you can add things back in and
reconnect things until you have a working machine, or until it fails
again. The point at which it fails should lead you to the culprit.
Oh, and the problem could be your power supply. If you have a
compatible power supply available, try swapping them. Also, make
sure that the PS to Logic board cable(s) is connected properly. I
once had a machine that wouldn't boot if I installed any CPU later
than a PPC604 (the 604e wouldn't work). It turned out that the 3.3V
power supply to the motherboard was loose and the later CPUs needed
the 3.3V but the earlier ones were happy with just the 5V.
Jeff Walther
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