Solution

for Windows 8 system ADSL to automatically drop when idle is enabled The idle automatic disconnection setting is enabled in the broadband connection properties. As long as you turn off this feature, the problem can be solved.
Operation steps:
First step, open “start">——“control panel”——click“network and share Center”

Step 2, select the “Change Adapter Settings” option on the left and double-click

Step 3, find “Broadband Connection”, right click to select “ ”

Step 4, in the “Broadband Connection” property setting interface, select the second item “Options” and change the “free time before hang up” to “ld”; never ”, save and exit.

After the above settings are modified, the ADSL broadband dialing under the WIN8 system will not be automatically dropped.