Computer Hardware Tutorials

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1. Pain in the wrists 2. Numbness or tingling of fingers To avoid this type of injury, you need to use the proper posture and position of the body while typing. Always sit with your back straight. Your shoulders should be relaxed, and your upper arms should hang almost straight down. At this point, adjust your chair and desk so that your forearms are parallel to the floor and your hands are just above the keyboard. Don't rest your wrists on the desk or the keyboard. While typing, your knuckles, wrists, and forearms should form a straight line. While a lot of people have started using wrist pads to rest their wrists on while typing, you should know that these generally don't keep your hands and arms aligned correctly. If you type for hours on end, you should stop and take a break for just a few seconds every few minutes. This is even more important for touch typists whose actions are probably more repetitive than those who "hunt and peck." Beyond these issues, you may want to consider investing in a special ergonomic keyboard. The Microsoft Natural keyboard and several others like it are specially designed to reduce the risk of this type of injury. These keyboards are generally split down the middle and angled to allow your arms and wrists to rest in the proper alignment. If you think you want to try one of these keyboards, find a store with one set up in a display where you can sit down and try the keyboard. Many computer professionals who work constantly at their PCs won't use anything but one of these special keyboards. Troubleshooting Common Keyboard Problems The following tips may help you diagnose (and perhaps resolve) some of the most common keyboard problems. Keys Type Odd Symbols or Letters To solve this dilemma, do any of the following: 1. See the section "Using Special Characters and Symbols" earlier in this chapter, and be sure that the language selected in Windows 95 is English (United States) or whatever language you want the keyboard to be typing in.