Network temporarily stop functioning

My PC is running Windows 7 Ultimate 64 bit. Recently, my windows has network problem. Everytime after I log in, the network has no problem, I can go online checking my email, etc. After 30 minutes or longer, I can go nowhere in Internet Explorer (version
11) as the Internet is completely stopped. I also installed google chrome in windows and it has the same problem. I am sure the Internet connection is no problem as another computer can go online. I also found that the internal connection of my PC to wifi
router is not disconnected, and the IP address is as same as it initiated. Everytime this problem occurs, I have to close all opened Internet Explorer and then re-open it, most of time this problem can be resolved. I suspected this problem created
by my wifi adaptor, so I bought a new one but windows still gives me the same problem. Would anyone help me resolve this issue? Thank you very much!

Hi,
Have you tried to reinstall Wireless adapter driver for test? Please access to Device Manager and open WIFI adapter driver properties and uncheck "Allow the computer to turn off this device to save power" option.
In addition, if this problem occures agagin, please try to use command below to reset IP for test:
Open CMD with Admin, then type netsh int ip reset press Enter.
If problem persists, try to reset winsock for test.
Open CMD with Admin, then type netsh winsock reset press Enter.
Roger Lu
TechNet Community Support

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Network temporarily stop functioning

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