I have sony vaio pcg-61212w, after cleaning cooling Fan, MY laptop is not booting, screen is not glowing , on pressing power b

[tunsanju]

I have sony vaio pcg-61212w, after cleaning cooling Fan, MY laptop is not booting, screen is not glowing , on pressing power button fan runs but no symbol of hardisk light glows .
It runs for few seconds and there after automatically shutdowns.
can anyone help me

 

[Titillating]

You sure you didn't accidentally leave anything unplugged, or plugged anything back in incorrectly?

 

[tunsanju]

I have plugged every thing but i am not sure about CPU lock button, can you provide manual for this model for repairing or tell me possible solution.