If your keyboard is not working properly, there are several steps you can take to try and diagnose and fix the issue.
First and foremost, check that the keyboard is securely plugged into your computer or laptop. If your computer uses an older-style plug with large round pins, make sure that the pins are correctly aligned in the hole on the back of the computer, and that the connection is secure. If you have a laptop, check that the USB cable or the serial port for the keyboard is properly connected.
If the keyboard is wired and securely connected to your computer, check that the Num Lock, Caps Lock, and Scroll Lock keys are turned off, since these can cause some keyboards to behave erratically. In addition, check the keyboard’s settings in the Windows Control Panel and make sure you haven’t inadvertently enabled any odd settings that might be causing the problem.
Next, try cleaning your keyboard. Dust, dirt, and other debris can build up inside the keyboard and interfere with its normal operation. To clean a keyboard, first turn the keyboard upside down and gently shake it over a trashcan or sink. This should dislodge any dust and dirt that may have accumulated inside the keyboard. You can also use a can of compressed air intended for cleaning keyboards as well as a vacuum cleaner to get rid of any remaining debris.
If the keyboard is still not working properly, check for any stuck keys. Press each key individually and make sure it springs back up when released. If a key does not seem to be working properly, you may need to replace it. Depending on the type of computer you have, many keys can be easily removed and replaced. Some newer models require specialized tools to remove and replace keys.
If all else fails and the keyboard is still not working properly, it may be time to purchase a new keyboard. Most keyboards are relatively inexpensive, so purchasing a new one is often the easiest and most cost-effective way to resolve the problem. Additionally, you may want to consider investing in a wireless keyboard and mouse if your computer supports it, as this can reduce the risk of future keyboard problems.
Whatever you do, make sure that you double-check your connections and settings before attempting to clean or replace the keyboard. Doing so can help you diagnose and fix the problem quickly and easily.