If a game you play gets a performance bump from the latest driver, it's worth updating to take advantage. I don't really recommend using separate "driver updater" utilities; instead, you can do it yourself in just a few clicks.
By far, the simplest way to update your drivers is through Windows itself.
If you have a laptop, you can often get drivers from the laptop manufacturer's website—they're more guaranteed to work with your hardware, though they may be out of date compared to drivers from the manufacturer of the component in question.
If you already have the manufacturer's driver software installed, you may be able to update your drivers from Windows.
For example, generic mouse drivers will allow you to use your mouse, but may not allow you to adjust its DPI settings or customize buttons in as fine-grained a manner as Logitech's software.
(Microsoft's generic drivers tend to be very reliable, though, so unless you need those extra features, it's not bad to keep what Microsoft gets you.)If you want the latest version not yet in Windows Update, or you want those extra features that driver isn't offering, you can grab it from the manufacturer.
the box for Replace generic device icons with enhanced icons.
There isn’t a difference between this “No” option and the “Yes” option, they both do the same thing.
However, these drivers can often take a long time to get to Windows Update.
Sometimes Windows will only distribute a "generic" version from Microsoft that eschews extra features.
When adding a new device to your computer, it can be a significant pain to browse around the Internet searching for the latest drivers.
Windows 7 can do this automatically for you to a certain extent, and it does a much better job of it than Windows XP, or even Vista has in the past.
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