Chris. Aubrey-Smith wrote:
> Yes, I'd checked the capacitors (and the rest of the board) for signs of
> damage, but found nothing untoward.
>
> I've now tried Tim's suggestion of pre-charging the capacitors, but no
> luck there.
>
> A pity: I'd already laid out the scraper and a wire brush to scour XP
> off the disk, but it seems I may have to re-think my plans.
>
> Any advance on "motherboard capacitor failure"?
>
> Chris.
>
> On 11/06/07, *Tim B - Systems* < SysAdmin@???
> <mailto:SysAdmin@marinedesign.tk>> wrote:
>
> I've got the same problem on a pentium 3 board. It will eventually
> fail, but
> generally waiting after plugging the power in and letting the Capacitors
> charge for a few minutes before switching on works.
>
> Tim B.
>
>
> On Monday 11 June 2007 13:29, Brian Chivers wrote:
> > Chris. Aubrey-Smith wrote:
> > > Can anyone suggest a reason for the following?
> > >
> > > On power-up from cold, the "power on" light flickers, the fan
> blades
> > > jump and then ...... nothing.
> > >
> > > Very occasionally, the machine will start and run normally.
> > >
> > > Identical symptoms with two different power supplies.
> > >
> > > Any ideas? The machine is a Medion MD177A
> > >
> > > Chris.
> >
> > Have you checked the capacitors on the motherboard, make sure
> they are all
> > flat on top and not domed slightly, if they are I'm sorry to say
> it's the
> > motherboard on the way out, you've been hit by the dreaded
> "Exploding
> > Capacitors" problem.
> >
> > Brian
> >
> >
> ---------------------------------------------------------------------------
> >--------------------- The views expressed here are my own and not
> > necessarily
> >
> > the views of Portsmouth College
>
> --
> --------------------------------
> Tim Brocklehurst Marine Design
> Better Systems - Better Results
> --------------------------------
>
> --
> Please post to: Hampshire@???
> <mailto:Hampshire@mailman.lug.org.uk>
> Web Interface: https://mailman.lug.org.uk/mailman/listinfo/hampshire
> <https://mailman.lug.org.uk/mailman/listinfo/hampshire>
> LUG URL: http://www.hantslug.org.uk
> --------------------------------------------------------------
>
>
Have you tried stripping it down to just graphics card, RAM & CPU to see if it boots, disconnect
HDD's & CD's both power & IDE, I've had one machine that the drives pulled the machine down.
Brian
------------------------------------------------------------------------------------------------
The views expressed here are my own and not necessarily
the views of Portsmouth College
