no startup chime (or strange sound) means hardware failure......ram cards, power supply, pram battery does not stop the mac, you just have the wrong time, & some settings are on default.....
you may unplug & replug the ram cards, power supply, harddisk
James
On 13/08/2010, at 0:56, Philippe Chaperon wrote:


Good evening All,

My G5 PPC 1.8 dual will not start properly. There are no start up
chime, the screen remains black and the small start 'on' light, on the
tower and on the flat screen, flashes 3 times with a break and 3 times
again ad infinitum.

I have tried restarting it many times, with Command+ Option+P+R also
with the same problem.

Has someone got a solution that can help, or is this possibly a
hardware failure? The RAM battery has not shown the usual sign of
weakening, but I have not changed it yet.

Any advice will be much appreciated.

Kind regards,

--
J Philippe Chaperon
Perth, Australie Occidentale


SAD Technic
Video Productions, Electronic repairs
U3 / 6 Chalkley Pl
Bayswater WA 6053
+618 9370 5307,+618 6262 5707, 0414 421 132
http://www.iinet.net.au/~saddas
skype: barleeway
over 40 years in electronics





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