The computer's local connection is missing.

First, you are saying that the computer desktop in the lower right corner of the notification area does not show the local connection, or no local connection on the network? If it is not shown, but can surf the internet, so do: Start-connect to-show all connections-right-click Local Connection-Properties-general-Check the "Notify area after Connection" and "Notify me when this connection is restricted or unreachable".





Two, no local connection can not network, so do:





1, check the network line connection, borrow a convenient computer host, connect to your network cable, set up ADSL connection, see whether there is no local connection, can surf the internet, if not the Internet, is the line problem, to find network operator maintenance; If you can go online to explain the problem on your host.





2, check the network card is good. Turn off the computer, open the chassis to remove the network card, replace, clean the network card slots, with the eraser network card gold fingers, reseat.





3, install network card driver.





(1) Right-click "My Computer"----"Properties"---"Hardware"----"Device Manager"-Expand network adapters-look for a yellow question mark? , there is a lack of network card driver, no, indicating that the driver can not be used normally. (Note that this is the type of NIC you use).





(2) put the network card into the optical drive, right click on "My Computer"----"Properties"---"Hardware"----"Device Manager", expand Network adapters, right-click the network adapter-select "Update Driver", open the Hardware Update Wizard, and select "Yes, this time---" Next "---" Automatically install software "--" next ", the system will automatically search and install the CD audio driver, if the disc is not suitable for your sound card driver, and then try again, until completed. Www.3lian.com





(3) If there is no suitable disc, to drive home, Zhongguancun, Huajun and other web site download driver software, download driver software to pay attention to: One is the brand model to be right, the second is on what the system will be used, the third is to see the timing of the software release, the latest may not be suitable for use, can download a few, pick to make.





(4) Download the driver software generally has automatic installation function, open that automatic installation.


can not be installed automatically, after decompression, to write down the software on the disk specific path, such as D: ... Right-click My Computer----Properties---hardware----Device Manager. Expand network Adapters Right-click the NIC, select Update Driver, open the Hardware Update Wizard, remove the check before "Search removable media", check "install from list or specified location"---"Next", and check "Include this location in search", in the bottom of the list box, fill in the path of the sound card driver folder that you want to use (D: ...)---"Next", the system automatically searches for and installs the network adapter driver in your specified location.





4, establish ADSL connection.





(1) Select Start-> program-> attachment-> Communication-> New Connection Wizard, open the Welcome to the New Connection wizard interface-"Next";





(2) Select "Connect to the Internet"--"next";





(3) Select "Manually Set my Connection"--"next";





(4) Select "Connect with a broadband connection that requires a username and password"--"next";





(5) Enter a name in the ISP Name text box-"Next";





(6) in the "username" text box to enter the use of the name (ADSL account), enter a password in the Password text box, repeat the password confirmation in the Confirm Password text box, and check "any user connecting to the Internet from this computer using this account name and password" and " Make it the default Internet connection "-next;





(7) Check "Add a shortcut to this connection on my desktop"-click "Finish" and you will see a connection icon called "ADSL" on the desktop.





5, set connection properties





(1) Local Area Connection: Start-connect to-show all connections-right-click Local Connection-Properties-general-click Internet Protocol (TCP/IP)--Properties-Select the following IP address (this is my IP address, your IP address network Chamber of Commerce tells you):





IP Address: 192.168.0.2





Subnet Mask: 255.255.255.0





default gateway: 192.168.0.1.





use the following DNS server address (my server address, you ask the network business):





Preferred: 1.1.1.1





Standby: 24.24.24.24





(2) Broadband connection: Right-click Broadband Connection-Properties-network-select automatically get IP address-OK.





6, change a network card.





    7, System file loss, repair or reload system.