Satellite P10 - Sometimes it won't power on

Hi,
I've got a problem with my Toshiba Satellite P10 (purchased in 2004).
Sometimes it won't power on (neither on A/C nor battery) and sometimes the "Shut down"-dialogue appears as if I had pushed the power button (really, I didn't). Then, it powers off instantly and I can't switch it on. Seldom it switches on without touching the power button a few minutes later.
First, I assumed the reason was the casing, but recently the same problem appears despite the open casing.
Finally, I believe the problem is caused by a faulty power controller chip. So, I read I could at least try deflexing it by a hair-dryer. That is why I would like to know where the power controller chip is located on the motherboard and how I can recognise it.
Thanks in advance!
Sebastian

Hello
[If your notebook wont power on sometimes you should check this article:Which steps should be followed if your Toshiba notebook doesn't start?|http://forums.computers.toshiba-europe.com/forums/ann.jspa?annID=21]
But I think nobody here can say you where the power controller is replaced and if you can repair it yourself or not. Here its only an user to user forum and if you have such technical question you should ask a notebook technician (authorized service provider) for help. The guys have access to all Toshiba databases and can order Toshiba spare parts so it would be no problem for the guys to repair the unit for you. ;)

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