Win10 computer connected to the network shows a red cross

This should be a problem with the local connection.

You can right-click the network icon to open the Network and Sharing Center.

Click Change adapter on the left.

Set up. See if there is a local connection, or if the local connection is disabled, enable it.

If there is no local connection, then go to the device manager to see if the driver is not installed, and install the driver.

That means your network cable is not connected, check if the network cable is good and if your router is on.

1.Router problems: (1) Check whether the router light is normal, if it is a light modem, generally except for the LOS light is not on, the other lights are on.

You can turn off the router and the modem, and then turn it back on after 5 minutes. (2) If there is an abnormal situation in the modem lamp, you can check whether there is a problem with the optical interface of the optical modem, and the indoor pigtail is connected to the light.

2.NIC issues: You can reinsert the NIC or reinstall the NIC driver and try again.

3.Computer system problems: (1) Reset the network: press win+r on the desktop and enter cmd and click OK to open the command prompt window, and press win+x in win10 to open the command prompt directly.

Try to resolve the issue of not being able to access the Internet by right-clicking on the network icon in the bottom right corner of the taskbar, then selecting "Open Network & Sharing Center" in the extended menu, then clicking on "Change Configurator Settings", then right-clicking on "Local Connections", disabling and reactivating it.

This means that your network is not working, please check the network equipment, that is, network cables, network cards, optical modems, routers, etc.

Open 360 Security Guard, enter the function encyclopedia, find the first aid kit tool for network disconnection, and use it to diagnose and repair it.

1. Find the network connection in the lower right corner of the computer and right-click this link.

2. Then click to open the network and computing center in the pop-up options.

3. After entering the network connection page, find the local connection in it, right-click and select Disable.

4. After clicking Disable, continue to right-click on the local connection. Then select Enable, so that you can remove the red cross of the icon.

1. Double-click to enter the "Control Panel" and click the "Small Icon".

2. Click "Network and Sharing Center".

3. Click "Change Adapter" to check whether "Local Connection" and "Wireless Network Connection" are enabled, if not, select one, right-click, click "Enable", and restart the computer.

4. If you can't use it yet, go back to "Control Panel" and click "Management Tools".

5. Pop up the tab and click "Services".

6. Find the service related to the wireless network, right-click, click "Start" on the left, and after restarting, the wireless network can be used.

Notes:

If your computer's wireless network connection icon shows a red cross, we recommend troubleshooting in the following ways:

1. Router problem:

1) Check if the router indicator is normal. If it is a light modem, all other lights are usually lit except for the LOS light. You can turn off the router and cat and then turn it on again after 5 minutes.

2) If the optical modem lamp is abnormal, you can check whether there is a problem with the optical interface of the optical modem, whether the optical fiber connector of the indoor modem is loose, and you can restore it by inserting the connector; The fiber optic part of the room is too big.

2. Computer system configuration problems

1) Reset the network: Socks which Zheng on the desktop press Win R, then enter cmd, and click "OK" to open the command window. Win10 press Win X to open the command line directly.

Enter the command interrupt: netshwinsockreset. Later, a success prompt will appear. ：

Successfully reset the winsock directory Restart your computer to complete the reset.

1. Confirm whether the wireless function is turned on, and turn the wireless function on or off through the shortcut key (hotkey).

2. Confirm whether the wireless network device in the stool is leaking abnormally--> the console--> device manager and check"Network adapter"Whether there is an exclamation mark or notThe green box in the figure below is a normal network card, and the exclamation mark in the red box is an abnormal network card.

3. Open the network and sharing center for troubleshooting.

If there is no exclamation mark in the device manager, the network card should be normal, and the problem may be caused by system settings or other network devices.

Start - > Control Panel - > Network and Sharing Center, enter the Network and Sharing Center, and you can see the basic network information.

If an exclamation point or X appears, you can click to perform the built-in network troubleshooter in Windows.

4. Reset the network settings to the default value.

Start - > search process and file input"cmd"Press Enter and click cmd to execute.

Type netsh winsock reset and press enter<>

You need to restart your computer.