Every hardware device installed on a Windows-based computer needs a specific set of files, called drivers, to operate property. Drivers allow a given hardware device, such as a graphics-rendering video card or a monitor, to communicate with the other components of the PC. Knowing a specific driver's version or number comes in handy when you need to update a driver. The "Device Manager" utility inside Windows provides access to the driver number for every piece of hardware installed on the computer.
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Click the "Start" button in the lower left corner of the Windows desktop to reveal the "Start" menu. At the bottom of the "Start" menu, type the words "Device Manager" into the search box and press the "Enter" key. The "Device Manager" window will appear, showing a list of hardware devices installed on the computer, ordered into groups according to type. For example, "Display Adapters" contains video cards, while "Sound, Video, and Game Controllers" holds sound-card information.
Expand the category for the device that you wish to find a driver number for. Double-click the name of the device in the list that appears. A "Device Properties" window will open.
Click the "Driver" tab inside the "Device Properties" window to view the version number and manufacturer of the driver in use for the hardware device. Close the "Device Manager" to return to normal computer use.
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