Some of the keys on my computer keyboard aren't working.Why don't any keys on my keyboard work?.If the computer seems to be working, but the keyboard or mouse is not working, you'll need to fix the problems with the input devices. The computer keyboard or mouse are not working Computer Hope and millions of other Internet sites have documents relating to error messages that can be followed to fix those error messages. If you're getting any error messages, write down the error and search for that error message. When booting the computer, I receive several beeps.No display or black screen on a computer monitor.If the power lights are on, fans are moving, or it appears the computer is on but has no display, you may have a display problem. See the steps below for all power-related troubleshooting steps. When looking at the front of the computer, do you see any lights? Are the fans moving and blowing air from the computer? If there are no lights, moving fans, or it appears the computer is not turning on, it has a power-related problem. Although some of these steps may seem too basic, you must review all of these sections to help correctly identify the problem. Below are the steps to help fix your computer with links to related pages that help fix a specific type of computer problem. Before trying to fix a non-working computer, you must first identify what part of the computer is causing it not to work. There are hundreds of different reasons a computer may not work.

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