I retested the psu and found that the 3.3v rail is intermittent. I will replace
the psu, if I can find one. Thanks, Donk..I will remember your troubleshooting
help for next time. --- In a-1-computer_tech@yahoogroups.com,
<d.knieriem@...> wrote: So the psu fan comes on, but absolutely nothing
else happens? It def
could be the motherboard. The psu checks itself and if it has no probs
it sends an "ok" signal to the mobo to go ahead and boot. So the mobo
is
a prime suspect. Usually it'll do a series of beeps?
Sometimes a device attached to the mobo might cause it.
I would remove everything but cpu, ram, vid card, keyboard and mouse -
and see if you get any action at all. If so then I'd add the device
back one at a time to find the cause.
Donk
On 8/30/2013 10:12 PM, ktcomputersystems@... wrote:
> This machine won't power up. Checked PSU, all voltages are ok; checked
power switch-it is working. Also checked all connections from PSU to
mobo, no problem there. Is it possible that the soft-on feature has gone wonky,
and repair will mean replacing the mobo? Thanks..Philip
>
> ------------------------------------
>
>
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