As soon as my computer turns on, a Service Control Manager dialog box appears, which reads "At least one service or driver is generating errors at system startup." For more information, use Event Viewer to view the event log. "How do I open the Event Viewer, how to use?"
Right-click My computer → manage on the desktop, open the Computer Management dialog box, and click System tools → Event viewer on the left side of the Computer Management dialog box to open Event Viewer. You can see that there are three logs, "Application", "Security" and "system" respectively. From your description, you should check the "system" log, in which you will see the error log marked with a red X, double-click it to see when the event occurred, the detailed description of the event. After the event that causes the system problem, you can copy the keywords in the log, using Google, Baidu and other search engines to search, find solutions to them.
Computer software and hardware application network edit Note: In the Start menu-run Enter "EVENTVWR" can also open Event Viewer.