This driver also resolves the yellow exclamation point error that may appear in Device Manager next to "Network Controller" which indicates that a driver is not installed for that device.

It is required that the Sony® Notebook Utilities be installed before installing the Intel Wireless LAN Driver.

For computers that shipped originally with Microsoft® Windows Vista®, this file is intended to provide basic system functionality under Windows XP operating system.

WARNING!: For computers optimized for use with Windows Vista operating system, some functionality will be lost under Windows XP operating system. Please click here for more information.