What is a driver?
Driver is a software which can allow the computer to interact with a hardware device. If without drivers, hardware can not connect to your computer, like a display card, a sound card, a video card or a printer – cannot work properly.
There are other explain for what is a driver.
Like microsoft, he say: A driver is software that allows your computer to communicate with hardware or devices. Without drivers, your computer can not communicate with the hardware, for example, a sound card or a LCD displayer —won’t work properly.
Wikipedia explain what is a driver like below:
In computing, a device driver (commonly referred to as simply a driver) is a computer program that operates or controls a particular type of device that is attached to a computer. A driver provides a software interface to hardware devices, enabling operating systems and other computer programs to access hardware functions without needing to know precise details of the hardware being used.
We can know that the driver is important for your computer, because it will help your computer connect the hardware and let your hardware work fast and reliable. so it is important for you to download and install the correct drivers for your computer and always update your drivers to let your computer run at the best way.