A computer OS interacts with a wide range of software applications and hardware devices. For the system to understand how the hardware works, you must have information about each device connected to your computer. This info is provided by files also known as device drivers. Each hardware component needs a device driver to work accordingly on a computer.
Input and output devices
Keyboards, mice, and touchpads are known as input devices. Hence the name, these devices are used to insert information on a computer. Display devices, such as monitors, are known as output devices, which means that it emits or displays information.

For the most part, all you have to do is connect a mouse, keyboard and monitor, as these devices typically fall into the hardware Plug-and-Play category. With these types of devices, you usually don’t need to manually install the device drivers because the operating system recognizes them and installs them automatically. If these devices are not recognized, installing the appropriate drivers on your computer is not a difficult task.
Manual installation of external devices
If you want to install an external device, such as a USB mouse, simply plug it into a free USB port on your computer. If it is not a Plug-and-Play device, it will not be recognized by the operating system. You will be prompted to insert the installation disc and follow the instructions for the installation process. After the installation and configuration is complete, you will be prompted to restart your computer. Even if no message is displayed, it is always advisable to restart the system so that changes can take effect.
Periodic updating of devices
When installing a mouse or a keyword is relatively easy, sometimes the device drivers need to be upgraded to enjoy optimum performance. For example, installing a new hardware component might overwrite the device drivers for the mouse. In addition, some drivers simply become obsolete due to upgrades made by the manufacturer. Many times, manufacturers update device drivers to provide hardware functionality added or solving known issues. Installing updated drivers is usually enough to solve all the problems that occur.
How to install device drivers
Upgrading device drivers for your keyboard, mouse, or monitor is really easy – go in Device Manager. To access this utility, open the “Control Panel” and click “Device Manager. “In This window, you will see a list of all devices installed on your computer. You can find keyboard devices in “keyboards, ” Low-mouse devices “Mouse and pointing devices ” and monitors in “monitors. “Apart from the different categories, the steps to install the device drivers are exactly the same.
After locating the device that you want to update, double-click it, and then click the “Drivers ” tab. From here, select “Update Driver ” and choose the option that automatically searches the Internet for updated drivers. If the drivers are found, they will be updated automatically. If the updated versions do not work for any reason, go back to Device Manager, double-click the device in question, click the “Driver ” tab, and choose the “Roll back” option. This will allow you to return the updated driver to the original state.