Generally holding the power button down for more than 5 seconds will force a 
shut down no matter what state the laptop is in.
Terry

"Colin Wilson" <REMOVEEVERYTHINGBUTnewsgroup@phoenixbbsZEROSPAM.co.uk> wrote 
in message news:MPG.218e078f930e72198a3df@news.individual.net...
>> I have Toshiba laptop A65-S1068. XP windows
>> I made a stupid mistake: the pc in the hibernate mode, i took off the
>> battery and placed it back.
>> Then the machine cannot reboot. the power on/off button does not
>> response. The machine powered by the power supply, but no light
>> indicators are on.
>> Without going to a toshiba repair center, can i do something to fix
>> it.
>
> Random guess - if you take the battery out and plug the power supply
> in, will it boot then ?