Just make sure you don't hit F1 twice.

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Nothing to see here.

I am veeeeery experienced computer technician do not be fooled by the others, dis is what you do my friend. Follow these instructions step by step. First, you take a sledge hammer and you hit the keyboard repeatedly (Any blunt object can be a ideal substitute as well). After that you hit F3, and you type in exactly "the root of all evil?", it will tell you text not found, this is normal.

Anyway, now you are ready to go to the next step, look at the back of your case. You should see a power source fan, from the outside, the vent should give it away. On the power source you should see a red switch, now this next step is very important. While the computer is on, you must switch the little red switch (if nothing happens, continue to the next step). Now, if all that failed you put a powerful magnet on the side of your tower, and no this is not for decorating purposes but if you want to you can put a big happy face on the magnet as if it were a kitchen magnet. Heck, you can even use it to put up your kids drawings, assuming you have any.

Then, you push F11, there, all done. Fixed, your computer problems should be fixed.