Re: Problem

Well, silly me. My "known good" power supply wasn't.

Thanks for the suggestions gentlemen.

wayne


At 03:02 PM 11/29/2005 -0600, you wrote:
>On Tue, 2005-11-29 at 10:31 -0600, Wayne White wrote:
> > I'm having problems with a computer and thought that there might
> > be someone on the list that had some thoughts on a solution.
> >
> > Monday, last week, I got to work and my computer was off. I tried
> > to turn it on and nothing happened. I was able to determine that
> > the power cord had power at the plug to the power supply.
> >
> > When the power button on the computer was pressed, nothing
> > happened at all. No lights, no whirring, no beeps.
> >
> > The first thing that I tried was swapping out the power supply for
> > one I know to be good. Same result, nothing happens when power
> > button pushed.
> >
> > That made me think that the motherboard must have fried. So, I
> > swapped in a good motherboard. While the case was open, I
> > checked the switch on the front panel and had continuity when
> > it was pressed. Still nothing doing.
> >
> > I'm at loss as to what else might be causing this computer to act
> > as if it were getting no power at all when I try to start it up.
> >
> > Any ideas?
> >
>lets see if I have this correct.
>1.  replaced power supply
>2.  replaced mobo
>3.  You said you checked the line voltage OK, but did not say what it
>is. (Should be approximately 115vac)  Make sure you check it at the
>computer end of the cord.
>
>after all that it still will not power on.
>Hmmmmmmm.
>
>
>A.  Have you tried with a small tool to momentarily jump the power
>switch pins on the mobo?  That simulates a switch press and will remove
>the switch and wire from the picture.
>
>B.  Did you use the same cpu and memory on the newly installed mobo?  If
>so there is another bit of hardware to test. The system will not even
>attempt to power on with a failed cpu. Some mobos will not try to power
>on if the cpu fan is not functional.
>
>C.  Did you test power on with all unnecessary items disconnected?  Disk
>drives, adapters, etc are not required for testing power-on problems.
>Try disconnecting all cables (power, signal, etc) from the disk drives
>and removing any adapters not necessary for power on. Probably video is
>the only adapter needed. A single load that is too high can prevent
>power on.
>
> > Thanks in advance,
> >
> > wayne
> >
> >
> >
> > -- This is the [email protected] list.  To unsubscribe,
> > visit http://www.complete.org/cgi-bin/listargate-aclug.cgi
>
>-- This is the [email protected] list.  To unsubscribe,
>visit http://www.complete.org/cgi-bin/listargate-aclug.cgi



-- This is the [email protected] list.  To unsubscribe,
visit http://www.complete.org/cgi-bin/listargate-aclug.cgi