And the main reason is that I have absolutely no money to take it to the shop or something.

Go take the laptop to the service center in the next MediaMarkt. They usually don't charge anything to have a look at it and if it's only a minor issue, maybe they can do something about it. (I can't even count the number of times they helped me out, free of charge. They're like, Superman!)

*huggles tightly* Try to hold up, hon!