Computer Hardware Tutorials

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4. Reassemble your mouse and give it try. A thorough cleaning usually does the trick. If no amount of cleaning helps, you may be in need of a new mouse. Defining Joysticks Joysticks are basically sticks attached to a base unit that measures the distance the stick is moved left, right, up, down, or diagonally. Electronic sensors in the base unit translate those motions into motions that are understood by the computer and software. Joysticks are almost exclusively used with game software; they are not designed to replace a mouse. Types of Joysticks Joysticks come in various shapes and sizes. Some are built to mimic the flight controls of an airplane, complete with buttons to fire guns and missiles. Others aren't sticks at all, but may be steering wheels designed to help the user more effectively play driving simulation games. In general, computer input devices used to help users play computer games are called joysticks. Connecting a Joystick Joysticks all connect with a 15-pin D-shaped connector. See Figure 13.5 for an example of a joystick connector. Connecting a joystick is simple. To connect yours, follow these steps: 1. Save any open documents, and then close all active applications. 2. Identify the joystick connector on the back of your computer. 3. Carefully position the connector so that it matches the connector on the back of your PC, and gently press it into place. 4. In most cases, you'll have to restart your computer in order for the operating system to recognize your joystick. If the computer doesn't initially see your joystick, you'll need to run Windows 95's Add Hardware Wizard. You can access the Add Hardware Wizard by clicking Start, Settings, Control Panel. The Add Hardware Wizard will be one of the icons in the Control Panel folder. Calibrating Your Joystick Calibrating your joystick lets you "center" your joystick so that when released it returns to a neutral position. It also makes certain that movements from side to side, or front to back result in smooth and predictable movement on the screen.