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Operating system:Windows 7 Home Premium (64 bit) Service Pack 1

System root: C:\Windows

Available physical memory: 3948 MB

CPU: Intel® Core i3-2310M CPU @ 2.10GHz

Drive Info:

C: 290.45 GB

D: 290.62 GB

Internet Explorer: 10.0

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Need more information, unable to connect the network connection icon on whether to have an exclamation point, if you have, that is a hardware problem, or network card, or route, or there is something wrong with network card driver. If not, then is port congestion, what is the background program to see if was turned on in a large number of send data or receive data.

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Firstly When yellow excalmation appears  that often demonstrate thare is no network driver  .The general solution is that you can download software namely"Qu Dong Jing Ling' through searching engine 'Bai Du'   then use it to update matched driver for your networkwork card  you can try this way first  

Secondly  you can visit or downdload the related driver on the offical website of your owned computer  though you can  dail the offical hotline to consult where you can download .

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