What should I do if ADSL is automatically disconnected under Win7?

This problem occurs when other hardware and software are working properly, mostly because the idle automatic disconnection setting is enabled. As long as this feature is turned off, the problem can be solved.
1. Open "Start -> Control Panel";

2. Click "<quo;Network and Internet";

3. Click again "Network and Sharing Center" ;;

4. Click on the left-hand corner of the page to change the adapter settings.

5. Next, on the ADSL broadband connection icon, right-click and select “Properties” ;

6. Switch to the “Options” page and select “Never” from the drop-down menu before the “Don't hang up” button. Press “OK& rdquo; to exit.