LIST OF POSSIBLE FAULTS ON A COMPUTER THAT COULD BE EASILY IDENTIFIED FROM EXTERNAL SYMPTOMS
COMMON KEYBOARD PROBLEMS & SOLUTIONS The keyboard is a vital link between a computer user and the screen. If the keyboard stops working, that does not necessarily mean you need to replace it. Users can solve some common keyboard problems. You can solve some problems with your computer keyboard. Hardware If keys stick or certain keys become unresponsive, dust and dirt are likely causes. Turn the keyboard upside down to try to release the dirt trapped inside. If that doesn't fix the problem, use compressed air to spray a jet of air between the keys, releasing any debris. Software Keyboard layouts, set by the operating system, use different alphabets and accented letters for different languages. If you type a key and the wrong letter or symbol appears, your system may be using the wrong keyboard layout. Change the keyboard layout preferences back to your desired layout. Settings Laptop computers often have a "number lock" setting that turns a section of...