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Device Manager Errors:
Within device manager the user can identify three types of problems: an exclamation mark, a red X, or another device.
Exclamation Mark - When a device has a yellow exclamation mark it indicates that the device is conflicting with another hardware device.
Red X - Indicates that the device has been disabled, removed or that Windows is unable to locate the device.
Other Devices - Windows was unable to locate the drivers for the device and cannot determine the type of device being installed.
Managing Devices with Device Manager:
Device Manager provides a graphical view of the hardware that is installed on the computer, as well as the device drivers and resources associated with that hardware.
