On Sep 20, 2005, at 12:55 PM, MaxTek wrote:
Hi Listers,
My iMac DV 400mhz (loaded with OS9 and Panther, but using 9 daily)
is now
having problems. When I turn it on using the front panel power
button it
boots but no video. I can hear the drive and fans etc. To get video
I have
to hold in the power button until it turns off and than hit it
again and
than it boots "with" video.
Since I knew my clock battery was dead I thought the video problem
was from
that. But today I put in a new battery (yes I tested it first) and
on the
first boot I didn't get video agian. I had to hold down the button and
restart to get video.
Back in late 2000 the P.A.V. board was changed under Applecare.
Could it be
this again or some other issue?
Have you tried resetting the logic board (i.e., pushing the cuda
button for 20 seconds or so), then doing a PRAM reset (hold down
Control, Command/Apple, P and R keys, and do it at least through 3
startup chimes) while booting? If this doesn't work with AC power
plugged in and the PRAM battery in place, try it again with the AC
power unplugged and with the PRAM battery removed. Your symptom
sounds like corruption caused by the dying PRAM battery, rather than
a bad P.A.V. set of boards. Or it could be a switch going bad, but
I'm betting on the PRAM/logic board reset.
-- Jim
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