Re: The thunder storm broke my media pc...

[Simon Ryley <simon.ryley@xxxxxxxxxx>]

Excellent, thanks I'll try that.

Simon

Georgia Thomson wrote:
>
> take the bios batery out for a few minutes, i had a similar problem
> recently and clearing the cmos with the jumper didnt help, but
> removing the battery totally for a bit helped.
>
> G
> On 24 Jul 2006, at 09:22, Simon Ryley wrote:
>
> > Hello all,
> >
> > Had a lovely thunder storm in the Midlands on Saturday night,
which
> > caused a power cut in our area overnight.
> >
> > The following morning my media pc refused to turn on. It's
usually in
> > S3 standby, and a quick prod of the power button wakes it up so I
can
> > watch Freeview through its tuner cards. Even unplugging the power
> > lead,
> > leaving it 5 minutes and plugging it back it failed to wake up.
(Which
> > it should do, as the BIOS is set to boot the machine
automatically
> > after
> > a power failure)
> >
> > Last night I had a chance to look at it.
> > The ATX power supply in the machine is providing some juice, as
the
> > two
> > red leds on the back of my freeview cards turn on when the PC is
> > plugged
> > in (as they should)
> > The power switch checked out ok with a continuity test across the
pins
> > on the motherboard.
> > Following a google on power supply testing, I shorted out the
green
> > and
> > a black wire on the 20 pin power connector, and everything turned
on.
> > It booted ok, and was perfectly happy. Until I unplugged it to
put it
> > back by the TV. When it refused to turn on again (After I had put
all
> > the covers back on as well!)
> > The only way I could make it wake up was to short out the green
and
> > black wire again.
> >
> > I did some more testing, and everything works ok, it will reboot,
> > standby etc as long as the power cable is not removed then
plugged
> > back
> > in. If it is, I can only start the pc by shorting out pins in the
> > power
> > connector.
> >
> > Obviously something is wrong, but I don't know where to go next.
Is it
> > likely to be the motherboard or the power supply? The power
supply
> > is a
> > custom Antec one to fit the case, so its not a simple job to
> > replace it
> > with another standard ATX power supply.
> >
> > Can anyone advise any further testing before I start buying new
> > components.
> >
> > TIA,
> >
> > Simon
> >
> >
> >
>
> [Non-text portions of this message have been removed]
>
>