The first question you would want to ask yourself in order to effectively troubleshoot your computer would be do you know the different parts of your computer? If you do then you can approach the problem more analytically through step by step analysis that hopefully solves the problem and gets you back to browsing in no time.
If you do not know the basic parts of the computer, then sad to say, you might have to take it to the repair shop for you might end up doing more harm than good and in computer terms that means more cost.