"samperiau" <ampertronics@chilli.net.au> wrote in message 
news:1141361132.321460.214840@v46g2000cwv.googlegroups.com...
> Like others it seems I have a power up problem with my laptop and
> having received a quote from Toshiba Australia for $1450.00 decided to
> have a look myself. The power supply seems to swicth on OK fro about
> half a second. I can read the 5V and 3.3V for as long as the supply is
> on. Every time I push the on button the same thing happens. If the
> battery has been out for a while the battery led glows yellow and when
> the on button is pushed it goes off quicly then on agian, once more off
> again and on again staying on. I'm about to take out the M/B to see if
> there are any visible bad joints, the power supply board seems
> ok....going nuts with this.
>