Check the NIC status first
If the NIC is not working properly or is damaged, you may not see the "Local connection icon" When you open the Network and Dial-up Connection window. To check if the NIC is working properly, you just click the Start/Settings/Control Panel command, in the Pop-up Control Panel window, double-click the System icon, in the pop-up System Properties window, open the Hardware tab page, and then click the Device Manager button in the In the subsequent Hardware Device list interface, double-click the network card icon, in the next network card properties settings interface, you will be able to see the performance of the NIC is good or bad.
If you find that the NIC is not working properly, you pop up the right button to perform the "Uninstall" command, and then unplug the network card can right-click the device list of the network card icon, from, and replace a new slot, and then restart the computer to see, I believe that the system can be correctly recognized network card; Once the NIC is correctly identified, the "Local connection icon" may appear in front of you when you open the Network and Dial-up Connection window again.
Re-check whether to open the relevant services
Many individual users in order to ensure that their servers from hackers or illegal attackers to destroy, often you will not be familiar with the system services or temporary use of some services to shut down, but some system services once the shutdown, it will cause "network and dial-up connection" in the local connection icon can not display correctly. To do this, when you encounter a failure to find the local connection icon, you can follow the following methods to check whether each of the related services are enabled:
First check that the network connection service is started, and when you check the service, you can click Start/program/admin tools/services, and in the next open list of system services, locate the "Network Connections" option and double-click the option with your mouse. In the pop-up Figure 2 service attribute settings interface, you will be able to see the startup state of the service; If you find that the service has not been started, you can click the Drop-down button at the Startup type setting, select Automatic from the pop-up drop-down list, click the Apply button, and then click the "Start" button so that " Network Connections "service can be re-enabled;
Check to see if simple TCP/IP components are installed
Simple TCP/IP service components in network services if they are not installed, the Local Area Connection icon may not appear in the Network and dial-up Connections window. Therefore, once you find the local connection icon missing, you may want to follow these steps to check to see if the system has a simple TCP/IP component installed:
Click Start/Settings/Control Panel commands, and in the Open System Control Panel window, double-click the Add/Remove Programs icon, and then in the Settings window that appears, click the Add/Remove Windows Components tab, and in the corresponding tab page, select the Network Services option, and then click Details "button;
In the next Open Figure 3 Settings window, locate the Simple TCP/IP service project and check that the check box in front of the item is selected, and if it is not selected, you must tick the check box in its checkbox, click the OK button, and restart the computer system.
Check that the DCOM permissions are set correctly
System Distributed COM's impersonation level permission, if set improperly, also causes the local connection icon in the network and the Dial-up Connection window to disappear, so in order to retrieve the missing local connection icon, you also need to follow the following method, check the system DCOM permission setting is correct:
First click the "Run" command in the System Start menu, in the pop-up System Run dialog box, enter the system Distributed COM Configuration command "Dcomcnfg.exe" command, and then click the "OK" button to open the Distributed COM Configuration Properties Settings window;
Then click the Default Properties tab in the window, and in the Figure 4 option settings screen that pops up, check if the "Enable Distributed COM on this computer" item is selected, and if not, please tick the check box in front of the item;
Next check the "Default Impersonation Level" Drop-down list box, do you want to set the impersonation level permission to the anonymous option, and if you set the permission to anonymous, you must change it to identity, click OK, and then restart the computer system. The missing local connection icon might be able to "appear".
Then check to see if my Network Places are hidden
Many local area network users in order to prevent other illegal users, random access to shared resources on the local area network often hides the network Neighborhood functionality to prevent illegal users from finding shared destinations through their Network Neighborhood windows; The local connection icon in the Network and Dial-up Connections window may be "implicated," though. So checking your network Neighborhood for hidden is an important way to find the missing "local Connection" icon:
When you check whether your network Neighborhood is hidden, you only have to look in the system desktop to see if there is a network Neighborhood icon, and if you can't find the icon, it's true that the icon has disappeared. At this point you can display it again in the system desktop by using the following method:
Click the start/Run command, and in the system Run dialog that pops up, enter the System Policy edit command "Poledit", and then click the "OK" button to open the Policy editing window of the system.
In the edit window, click the File menu item in the menu bar and execute the Open Registry command from the pop-up Drop-down menu. In the next window shown in Figure 5, double-click the local user icon, and then, in the property settings interface that appears, expand the shell interface, then the limit branch, and in the corresponding Limit branch, check that the hidden Network Places item is selected, and if it is already selected, you must cancel it, and then click OK.
Finally, click the file/Save command in the menu bar of the System Policy editing window, and then save the previous parameter settings to the system's registry. After you restart the computer system, you will be able to see the Network Neighborhood icon on the desktop, and then the local connection icon will automatically reappear when you open the Networking and dial-up connection window.
Check to see if a connection is deleted
If you have enabled the automatic deletion of existing connections in the Group Policy editing window, the system's local connection icon may also disappear, so you can follow the steps below to check if the current system has enabled the option to remove existing connections:
Click the start/Run command, and in the pop-up System Run dialog box, enter the Group Policy editing command "Gpedit.msc", and then click OK to open the system's Group Policy editing window;
Expand the User Configuration folder in turn, the Windows Settings folder, the Internet Explorer Maintenance folder, the Connections folder, and, in the child window to the right of the connection folder, double-click the connection Settings option;
The
appears in the Settings window shown later in the check to see if the "Remove existing dial-up connection settings" option is already selected, if selected, uncheck it, and then click the "OK" button and restart the computer system so that the local Area Connection icon may appear again.