Satellite U400-10J - power is on but NO LCD dsiplay

Good day.
I have a new Toshiba Satellite U400-10J.
I did not turn it off after i use it and then when i get back it was hanged up so i decided to turn it off by pressing the power button in few seconds.
The next day when i decided to use my laptop again something occured that i don't understand.
My problem is;
When i turned ON the power button, the laptop runs but there was no display, i checked the fan and it runs for a while then stops after a few seconds. All other button has lights and the CD drive is running too.
What wonders me is that the hard disk led is not blinking or there's no light in it and why there was no LCD display?
Please, anyone can help me on this matter. I would really appreciate if you can give me your answer now.
Thank you very much.

To be honest I dont understand why this happened. Im owner of Satellite U400-10N and something like that never happened to me.
However, I read about some useful workarounds which could help you.
First of all remove the battery and disconnect the AC adaptor.
Then you have to wait Im not quite sure how long but I would recommend waiting for about 30-60min.
Then connect both devices and try to power up the notebook.
Check if this helps.
Bye and good luck

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    Message was edited by: dhiru

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    Hi every body,
    Lately, am trying to light the multimedia keys, which i used to do it by touching the mute key,
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    Graziee

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    Hi!
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