G4 Clock Resetting Problem

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Jeffrey J Weimer - 27 Mar 2007 00:22 GMT

I have a G4 1GHz machine. When I turn it off and then back on, it will
not reboot. I must open the case and push the small reset button next to
the clock battery. Also, the clock looses its settings.

I have replaced the clock battery and zapped the PRAM. This did not fix
the problem.

What else could be wrong? Can I fix it myself?

TIA

--
JJW

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PeterG. - 29 Mar 2007 12:45 GMT

> I have a G4 1GHz machine. When I turn it off and then back on, it will
> not reboot. I must open the case and push the small reset button next to
[quoted text clipped - 4 lines]
>
> What else could be wrong? Can I fix it myself?

I have a neighours Imac G3 Bondi Blue with the same symptoms. I have
regrettably come to the conclusion that it _may_ be the PSU (power supply
unit)

I have a G4 and would imagine that if it is the power supply you should be
able to replace it depending on cost/ value ratio.

Signature

PeterG.
'cause easy's getting harder every day.

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Jeffrey J Weimer - 29 Mar 2007 20:56 GMT

> > I have a G4 1GHz machine. When I turn it off and then back on, it will
> > not reboot. I must open the case and push the small reset button next to
> > the clock battery. Also, the clock looses its settings.

...

> I have a neighours Imac G3 Bondi Blue with the same symptoms. I have
> regrettably come to the conclusion that it _may_ be the PSU (power supply
> unit)
>
> I have a G4 and would imagine that if it is the power supply you should be
> able to replace it depending on cost/ value ratio.

Thanks. I'll check out this option. Certainly, the cheapest option is to
stop turning off the computer and/or just to live with the need to reset
when I do.

Any other thoughts along this line would be appreciated.

--
JJW

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PeterG. - 31 Mar 2007 09:09 GMT

>>> I have a G4 1GHz machine. When I turn it off and then back on, it will
>>> not reboot. I must open the case and push the small reset button next to
[quoted text clipped - 15 lines]
> --
> JJW

Have you replaced the PRAM battery. Sorry I missed the clock problem but the
PRAM battery losing its charge is usually one sign of the clock going back to
1956(?)

Signature

PeterG.
'cause easy's getting harder every day.

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Mac Forum / General / Hardware / March 2007

G4 Clock Resetting Problem