

If the operating system starts, go to the " Resolve the cause of the startup problem" section of this article. If the operating system does not start, go to step 3. On the Advanced Boot Options screen, select Last Known Good Configuration, and then press ENTER. If the operating system starts, go to the "Resolve the cause of the startup problem" section of this article. If the operating system does not start, go to step 2. If you installed a new device, remove the device, and then try to start the computer. To resolve this problem, use the following troubleshooting steps to determine the exact cause, and then take the appropriate action. The new device or the driver causes conflicts with other drivers that are installed on the computer. This problem may occur if any one of the following conditions is true: For more information, refer to this Microsoft web page: Support is ending for some versions of Windows SymptomsĪfter you install a device or update a driver for a device on a computer that is running Windows Vista or Windows 7, the operating system may not start. To continue receiving security updates for Windows, make sure you're running Windows Vista with Service Pack 2 (SP2). Support for Windows Vista without any service packs installed ended on April 13, 2010.
