[G4] Re: MDD no start, grey screen, no bong

[Harry Freeman]

Greetings ( + )!( + )

Sounds to me like you need a new Power Supply or a new processor.
As that's about all that is left.
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On Apr 26, 2007, at 11:19 AM, Technophobic_Tom at comcast.net wrote:

> On Wed, 25 Apr 2007 10:36:18 -0700
>
>> The power button is more than just a switch there is some brains 
>> built into it (actually a circuit board with a switch and various
>> components on it). If there is a problem with it your machine will
>> not boot.
>
> Right, that's why I suggested it as a possible cause. My thinking is 
> that if it's a simple switch, i.e., spst, then the fact that anything 
> along the lines of a startup happens means the switch is working. That 
> obviously says nothing about the associated circuitry on the board to 
> which the button is attached. However, if the switch is dpdt then one 
> contact could initiate part of the startup sequence but if the other 
> contact wasn't "making", the whole procedure might fail.
>
> Can I pull the FPB cable and use a older Apple USB keyboard with power 
> key?
>
>> Also you may want to try removing each RAM stick and
>> booting with just one you could have a bad stick.
>
> Tried each stick separately, in different sockets, and all 
> combinations thereof. Nothing. Also tried to boot without any memory 
> to see if an error is detected. The POST must not have gotten even 
> that far as there was no signal/beep.
> _______________________________________________


Cheers, /\*_*/\

Harry (*^_^*)
* If pro is the opposite of con, then what is the opposite of progress? 
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