Updating drivers in Windows 7 is not something you do regularly, but it may be necessary for several reasons.
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For example, you may need to install drivers for hardware if you want to resolve a problem with the device, if a driver is not automatically installed during Windows installation, or if a driver update enables new features that you would like to use.
The first thing you should do is download the latest driver for your device from the hardware manufacturer's website. It is important to download a driver directly from the source so that you can be sure that you are getting the most valid, tested, and recent driver possible.
If you need help, see How to find and download drivers from manufacturers' websites.
