What if the local computer connection is gone?

What about the local computer connection? The details are as follows:

First, check the NIC state or bad

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 Settings window, open the "Hardware" tab page, and then click the Device Manager button, 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 your 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 properly identified, the local connection icon may appear in front of you when you open the Network and Dial-up Connection window again.

Second, check whether to open the relevant services

There are many individual users who want to ensure that their computers or servers are not compromised by hackers or illegal attackers, 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 a local connection icon, you can check that each related service is enabled by sharing the following methods:

First check to see if the network connection service has started, and when you check the service, you can click "Start" → "Procedures" → "Administrative Tools" → "services" command, in the next open list of system services, find the "Network Connections" option, and the mouse to double-click the option, In the pop-up Service Properties settings interface, you can see the service's startup status; 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 whether 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. So once you find the local connection icon missing, you might want to follow these steps to check to see if the system has a simple TCP/IP component installed:

Turn on the start → settings → control panel command, 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, and then in the Settings window that opens, 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;