Sony VGN-CS11S boot/power problem

Hello all,



I have a VGN-CS11S model (14.1 white) and I have the following problem:



when I am trying to boot it, nothing comes up on screen, neither when trying an external one.



My first thought was that it couldn't boot at all, but the dvd spins up and after a while the fan starts to spin too.



Do you think that is a motherboard issue, or something else, like the charger?

(I've read some similar problems on the web and the charger was mentioned as a solution, but I'm not sure if it fits my case).



Thanks!!

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