[NTLUG:Discuss] Hardware Question

[Dennis Myhand]

Steve Baker wrote:
> If the fan comes on then there is obviously SOME power coming out of the
> power supply.  However, that doesn't exonerate it completely (especially
> since there is no power LED).  PC power supplies have to produce several
> different voltage levels and also standby current and such.   It's
> possible for one of those outputs to have failed (hence no power LED)
> yet still produce some different voltage on another output to power the fan.
> 
> So it could still be the power supply.
> 
> At this point, you can only find out by swapping things.  Rationally -
> one should swap the cheapest thing first.
> 


One of the first things I bought for my Lab here at Edna High School (Go 
Cowboys!) was a power supply tester.  I have had used computers given to 
me and told they were shot.  I tested the PS and replaced the bad ones 
and I have good computers.  PS has been tested.  At this point it is 
looking like a choice between mobo and proc.