Question: My keyboard on a notebook has 3 keys that work only about half the time(g,h & backspace)how can I fix it.? 

Answer: There could be dust accumlated. Clean the keyboard with Vacuum Cleaner or any Pressure Air can.\n\nAlso, you can use external USB keyboard.\n\nThere is one more solution.\nIf your computer Operating System is Windows XP then, you can use on-screen keyboard:\n\nClick on Start > All Programs > Accessories > Accessibility > On-Screen Keyboard.
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