Drivers can be called, in a way, translators. They are basically programs that manage the communication between your programs and the hardware devices or components that are inside your PC. Most of the time the communication process runs smoothly while other times it doesn't. One of the possible causes might be the fact that the driver for a specific hardware component is either incompatible with your operating system, or it works with another version of the same component. In this tutorial I will show you how to remove faulty drivers that might be installed for some of your hardware components.
The first step is to open the Device Manager. There are many ways to do this. We will describe just a few of them. Before continuing, please keep in mind that you need to be logged in as an administrator. Without administrative permissions you will not be able to remove any drivers. Also, before uninstalling anything, I would recommend using System Restore to create a restore point. This might prove to be useful, especially if you run into problems.

How to find the Device Manager
One way is to go to the bottom-left corner of your screen, click on the Start button and then on the Control Panel shortcut.
Start Menu
In the Control Panel window, click on the Hardware and Sound.

Control Panel
In the Hardware and Sound window scroll down until you see the Device Manager and click on it.
Another way is to type Device Manager or 'mmc devmgmt.msc' in the Start Menu Search box. The Device Manager will appear and all that remains is to click on it to open.

Before opening the Device Manager, an UAC prompt will pop-up, asking for your permission to continue.



How to uninstall a driver from Device Manager
All your computer's components are sorted by categories so you can quickly find what you are looking for. Once you have found the component you want to uninstall, right-click on it and select Uninstall.
Device Manager
Once you click on the Uninstall option, you will be asked for confirmation. If the driver of the component you have selected is the one you really want to uninstall, then click on OK.

Device Manager
After selecting OK, the driver isn’t completely uninstalled from the computer. That is why Windows Vista will prompt you about restarting your computer. Save your files and afterwards click the Yes button to completely uninstall the driver from your computer.
Device Manager
If you can’t find the component you are looking for in the Device Manager window, just go to the View menu and select Show Hidden devices.


Source Site: Windows Vista for Beginners - Windows Vista tutorials
Source Article: How to uninstall the driver of a hardware component