Re: Dead PowerMac G4 Digital Audio Model

2009-02-26 Thread Bruce Johnson


On Feb 26, 2009, at 1:53 PM, BillBoggs wrote:

>
> Worked flawlessly for many years. Now, without any warning, it just
> stopped. Won't power up at all, no sign of life whatsoever. Any
> suggestions where to start?

Is it plugged in? Is it plugged all the way in? Did a cat step on the  
power strip it's plugged into?

(Don't laugh, I'm not being patronizing, each and every one of these  
is something that's happened to me ;-)

Some Macs, and I don't know if the DA is one, will act like this when  
the mobo battery gets too low.

-- 
Bruce Johnson
University of Arizona
College of Pharmacy
Information Technology Group

Institutions do not have opinions, merely customs



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Re: Dead PowerMac G4 Digital Audio Model

2009-02-26 Thread nestamicky



BillBoggs wrote:
> Worked flawlessly for many years. Now, without any warning, it just
> stopped. Won't power up at all, no sign of life whatsoever. Any
> suggestions where to start?
> Thanks!
> Bill
>   
I will start with checking the power supply. Got a multi-meter?
> >
>   

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Re: Dead PowerMac G4 Digital Audio Model

2009-02-26 Thread insightinmind


Maybe a Circuit Breaker is off in your home's electrical box?

Maybe a power strip needs resetting? replacement? Try another one, in  
another wall outlet?

>
> Some Macs, and I don't know if the DA is one, will act like this when
> the mobo battery gets too low.
>

Here's instruction on how to replace the psu ... not that that is the  
problem, just might be of interest:
http://support.apple.com/kb/TA26054
>

Bill Connelly
artsite: http://mysite.verizon.net/moonstoneartstudio
myspace: http://www.myspace.com/moonstoneartstudio



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Re: Dead PowerMac G4 Digital Audio Model

2009-02-26 Thread insightinmind

Another "Don't try this at home" Apple Support Article, which might  
be of interest:
http://support.apple.com/kb/TS2257?viewlocale=en_US

I like Bruce's "Suspect the Cat" suggestion. Mine turned off/back on  
my modem the other day, and frequently stops my sleep apnea CPAP  
machine ... when he's hungry or needs to visit the cat box on the  
side porch ...

Good thing he also walks on me to finish waking me up ...

Bill Connelly
artsite: http://mysite.verizon.net/moonstoneartstudio
myspace: http://www.myspace.com/moonstoneartstudio



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Re: Dead PowerMac G4 Digital Audio Model

2009-02-26 Thread gifutiger

Greetings ( + )!( + )

The easiest way to check an A/C power source is to plug a lamp into
the place where the mac is plugged. Not the same power strip but the
same socket.

Best regards,

Harry
San Jose,
ø?ºº?ø,¸¸,ø?ºº?ø,¸¸,ø?ºº?ø,¸¸,ø?º?ø


On Feb 26, 2:07 pm, insightinmind  wrote:
> Maybe a Circuit Breaker is off in your home's electrical box?
>
> Maybe a power strip needs resetting? replacement? Try another one, in  
> another wall outlet?
>
>
>
> > Some Macs, and I don't know if the DA is one, will act like this when
> > the mobo battery gets too low.
>
> Here's instruction on how to replace the psu ... not that that is the  
> problem, just might be of interest:http://support.apple.com/kb/TA26054
>
>
>
> Bill Connelly
> artsite:http://mysite.verizon.net/moonstoneartstudio
> myspace:http://www.myspace.com/moonstoneartstudio
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Re: Dead PowerMac G4 Digital Audio Model

2009-02-26 Thread Len Gerstel


On Feb 26, 2009, at 3:53 PM, BillBoggs wrote:

>
> Worked flawlessly for many years. Now, without any warning, it just
> stopped. Won't power up at all, no sign of life whatsoever. Any
> suggestions where to start?
> Thanks!
> Bill

My first though here is a dead pram battery. If you can't get an  
official exact match, a 1/2 AA will barely fit and work fine.

Len


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Re: Dead PowerMac G4 Digital Audio Model

2009-02-26 Thread mythmaker18

I'd try the following hardware tests in this order (from least costly
to most costly):

1. PRAM Battery
2. Power Supply
3. Processor

As others have said, double-check all your connections/power plugs.
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Re: Dead PowerMac G4 Digital Audio Model

2009-02-26 Thread Cyrus

Another thing to check is the voltage specifier on the powersupply,
(little red switch next to where the cord goes in) it might have
gotten set to 230 instead of 115. And then just try the usual,
different outlet/power cord. If none of that, I would guess it's the
power supply.


-Cyrus


On Feb 26, 1:53 pm, BillBoggs  wrote:
> Worked flawlessly for many years. Now, without any warning, it just
> stopped. Won't power up at all, no sign of life whatsoever. Any
> suggestions where to start?
> Thanks!
> Bill
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Re: Dead PowerMac G4 Digital Audio Model

2009-02-26 Thread jonas ulrich
try hitting the reset button on the mother board. also clean ram and
processor slots.-Jonas

On Thu, Feb 26, 2009 at 2:37 PM, Cyrus  wrote:

>
> Another thing to check is the voltage specifier on the powersupply,
> (little red switch next to where the cord goes in) it might have
> gotten set to 230 instead of 115. And then just try the usual,
> different outlet/power cord. If none of that, I would guess it's the
> power supply.
>
>
>-Cyrus
>
>
> On Feb 26, 1:53 pm, BillBoggs  wrote:
> > Worked flawlessly for many years. Now, without any warning, it just
> > stopped. Won't power up at all, no sign of life whatsoever. Any
> > suggestions where to start?
> > Thanks!
> > Bill
> >
>

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