Pavillion Dv7: HELP! Cleaned fan and now this!

My fan was constantly running for awhile now so I decided to clean it up. Of course, the only way to effectively clean was to open the laptop and blow air. So I did and when I closed it upward, I stayed with a screw. Now I am normally a short because I lost one of the long screws that are placed in the 4 corners of the rear plate. Later, I assumed that I did not replace the 2 screws for the Assembly of the fan. It turns out I was right, but I've been abbreviated 1 screw more. I had to open the computer again and replace the screws.

So after I closed the laptop until I'm going to turn on and this is what happened: (also, I had asked a question on another laptop I have; it is not related to this one. The other is already fixed and working. It is also out of warranty).

I don't know why this has happened, or what I can do about it. I had used an airbrush to clean dirt. Maybe there's some dirt still inside to hinder operations?

You did that your video cable connection was well set correctly?

Tags: Notebooks

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