After cleaning the fan my laptop does not start

Hi, after cleaning the fan of my macbook air late 2010 following the instructions on:

https://www.youtube.com/watch?v=-1r9yl-P...

and

MacBook Air 13" Late 2010 Fan Replacement

my laptop does not start anymore.

After cleaning it the laptop started for a little while but then switched off and does not do anything when the on / off button is pressed.

I tried to search the internet and tried most of what I could find here:

http://www.makeuseof.com/tag/mac-wont-bo...

The only thing that gives some results is:

  1. Unplug the battery.
  2. Unplug the MagSafe power cable.
  3. Hold down the power button for about 10 seconds and continue to do that.
  4. While still holding the power button down, insert the MagSafe power cable and hold it for another 10 sec.
  5. Release the power button after those 10 sec and make a “normal” press as if you would normally turn on your computer.

When I do the last step the fan start spinning as fast as it can but nothing else, in order to switch it off I need to press the on/off button for about 10 second.

If I do the same with the battery plugged in nothing happen.

Any help on what I should do to make my Macbook Air working again?

Cheers

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