Use your hair dryer on the cool setting to clean your computer keyboard instead of spending money on expensive canned air. Turn the keyboard upside down and blow the air up into it. I clean the tower (CPU) now and then as well. Dust and hair accumulate around the fan and vents can cause all sorts of problems, such as over-heating.
By Nancy C. from Los Angeles, CA
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This really does work and it also works if you need to blow out the tower as well.