[ale] Strange start-up problems

[Brian MacLeod]

Take a hard look at the tops of all the capacitors on the motherboard.
  One of the power regulating ones may have been one of the cheap
ones.  Some of the Dell machines we've had with bad caps have had
similar behavior to this.

bnm


On 1/23/07, Greg <runman at speedfactory.net> wrote:
> The other day my primary workstation went out for no reason.  I methodically
> started pulling out cards until I got it to start again with just a single
> drive (SATA) and the AGP video card in it.  It ran for a short period of
> time (5 minutes) and went out.  Now when I plug it in (with the power supply
> switch off) and turn on the power switch the only thing that happens is the
> fans will turn for a few revolutions, a red light on the motherboard will
> light up and power will flow thru the mouse/keyboard to my KBM switch.  It
> is not making it to POST nor are the fans starting.  Hitting the front power
> on switch and the re-boot switch does nothing.  Sometimes the machine will
> give out the familiar "beep" I have come to know and love and then ...
> nothing.   I have replaced the power cord and tried a different electrical
> socket but no joy.  I also made sure the connections from the case's front
> power button to the mobo were ok (they were).  The power supply is 550 watts
> and somewhat new.  It has an AccelerTech ARIMA HDAMC motherboard (which is
> discontinued and rightly so as I RMA'd about 3 before this one).  The
> machine is my primary workstation so it's pretty valuable to me and I would
> like to get it up as soon as possible.
>
> Does anyone have any ideas on what could be the reason for the pc's
> non-starting behaviour ?  Since I see a light on the mobo light up I "think"
> the power supply is ok.  My first guess is a failed mobo, but when I have
> had them go out I get nothing at all from them.
>
> If it's the motherboard does anyone have any recommendations on a dual
> Opteron (246) motherboard ??  So far the only ones I have seen are Tyan's.
>
> Ideas, clues, and wild guesses appreciated.
>
> Thanks,
>
> Greg
>
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