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Power Supplies

It is definitely not as I am getting some power. All the fans are running, 
so I can assume the 5V power is ok. The HD itself is initializing on power 
on. Beyond that nothing. 
My plan is to pull the power supply with the bad fan out of my wife's old 
computer, and plug it into the bad PC. That will tell me that the power 
supply works. Again, from my testing so far, it appears to be either the 
mobo or the CPU. I have an older motherboard with a CPU that I replaced 
last year. I may be able to swap that in tonight. 

On 18 Jun 2002 at 16:12, Warren E. Agin wrote:

> Power supplies also may have a fuse. This happened to me not long ago. Fortunately, I ignored the dire warnings on the cover of the power supply and found the blown fuse inside. Unfortunately, Radio Shack did not have an exact replacement, so I tried something close.
> The point is to make sure the power supply works before buying a new motherboard.
> I have a little device that detects power flows without a direct connection. You should be able to get one at a radio shack or home depot. Very useful for things like power supplies where your only concern is whether touching something will fry your brain.
> BTW, you can buy a new poer supply for about $50.
> -Warren Agin
>   ----- Original Message ----- 
>   From: Rob Ransbottom 
>   To: discuss at 
>   Sent: Sunday, June 16, 2002 10:55 AM
>   Subject: Power Supplies
>   On Mon, 17 Jun 2002, Jerry Feldman wrote:
>   > I may also go to the show. My daughter's PC just went TU. It's a 400Mhz 
>   > PII. I think it may be the CPU. I pulled all the boards, reseated the CPU. 
>   > I'll probably get a spare power supply since my wife's old system has a 
>   > power supply with a dead fan.
>   TU?
>   Despite the warnings labels, it is not difficult to replace the
>   fan in an AT or ATX power supply.  There may be a charge in the
>   capacitors in the power supply.  
>   Can you check a ATX power supply with a multi-meter, out side of a case.
>   I.E. how do you turn it on?
>   rob                     Live the dream.
>   _______________________________________________
>   Discuss mailing list
>   Discuss at

Jerry Feldman <gaf at>
Associate Director
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