Pavilion dv5-1140ec no power

Gentlemens,
I have a pavilion dv5-1140ec. Few days ago I turn off the notebook via start menu in Windows (correctly). Next day I try turn on the notebook, but without effect. Lighting only led near by AC connector on right side of notebook. Battery is inserted, but charging led no light. i check adapter via electric meter, Voltage is approx.12 V. This is ok I think, because other notebook start with this adapter without any problem... So I remove bottom cover, keyboard, speakers, mother board and I try find fuse on mainboard. I think, this is a problem, because nothing start (fan, hdd, leds). i download a service manual, but inside is only numbers of spare parts, how to disassemble, etc.
Any one, who have a scheme of motherboard?
PS: I try start notebook, with battery and AC, without battery and with AC, with BIOS battery, without BIOS battery... and other combinations.
So, don´t write answers like this types
Thanks.

Thanks, HP experts...
I removed old IRF 822 FET SMD transistor and placed new. Now notebook starting without any problems.
(I placed piece in TO220 package, because smd version is not accessible)
Datasheet:
http://www.datasheetcatalog.org/datasheets/400/284055_DS.pdf
Problem has been in broken gate in transistor. So transistor has been still closed.
Admin, please lock this thread. THX.

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****Please mark Accept As Solution if it solves your problem****
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