Re: [Hampshire] Power Failure

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Author: Chris. Aubrey-Smith
Date:  
To: Hampshire LUG Discussion List
Subject: Re: [Hampshire] Power Failure
I was hoping to find a solution before resorting to total dismantling, but
the concensus seems to be that that's the next step.

I'll report back on the outcome.

Chris.

On 11/06/07, Brian Chivers <brian@???> wrote:
>
>
> 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

>
> --
> Please post to: Hampshire@???
> Web Interface: https://mailman.lug.org.uk/mailman/listinfo/hampshire
> LUG URL: http://www.hantslug.org.uk
> --------------------------------------------------------------
>