You can use Device Manager to see the devices installed on your PC, update driver software for your devices, check to see if hardware is working properly, and change hardware settings.
Swipe in from the right edge of the screen, then tap Search.(If you're using a mouse, point to the bottom-right corner of the screen, move the mouse pointer up, then click Search.)
Enter Device Manager in the search box, and tap or click Device Manager.
You might be asked for an admin password or to confirm your choice.
If you need to update a driver, see Downloading and installing drivers.
For more info about solving sound problems with your PC, see No sound in Windows.
For more info about solving device problems that aren't shown in Device Manager, see Why isn't Windows finding my Bluetooth or other wireless device? and What if a wired device isn't installed properly?
See all support pages for devices & drivers.
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See which devices are compatible with Windows 8 at the Compatibility Center.