To start the SQL Server Browser service
1. On the Start menu, right-click My Computer, and then click Manage.
2. In Computer Management, expand Services and Applications, and then click Services.
3. In the list of services, double-click SQL Server Browser.
4. In the SQL Server Browser Properties window, click Start or Stop.
5. When the service starts or stops, click OK
To start the SQL Server Browser service from the command prompt
1. On the Start menu, click Run.
2. In the Run dialog box, type cmd.
3. From the command prompt, type net start sqlbrowser.
To stop the SQL Server Browser service from the command prompt
1. On the Start menu, click Run.
2. In the Run dialog box, type cmd.
3. From the command prompt, type net stop sqlbrowser.