Why can t the computer go to the network at night, it shows that the network cable is not plugged in

If it is a telecom network, what is the error**? If it's 678, see if the light of the cat ADLS is on or flashing, if it's flashing, turn off the power of the cat and all the computers concerned for 10 minutes and start again, if it's not easy to use, it's flashing or not lit, you have to call customer service ** to report for repair, because that is the signal of the computer room has not been sent over. If it's 769, it means that your local connection is disabled, just click on the network neighbor, click on the property, and then the local connection is turned on.

If it's 691 or 619, it's because your computer looks at whether the broadband account or password is entered correctly, if it's correct, you can re-establish a broadband connection in the online neighborhood, delete the original broadband connection, if it's still not good, you call customer service to check if your home's broadband is locked for some reason, so it can't go to the Internet.

1. Make sure that there is no mistake in the account, no arrears, no invalidation, and you can use the computer stand-alone dial-up to test whether there is an account problem.

Check the ADSL light on the moden, it is a problem with the network cable if it does not light up;

2. After there is no problem with the account, you must also set the router's own IP address, which can be set to be automatically obtained, and this step cannot be wrong; After the router is connected, the connection time will be displayed, and if it is not displayed, it is not connected;

3. Turn on the wireless function of the router, set the wireless network password encryption method, connect with the wireless network card, you should be able to connect to the Internet, remember that if you are not proficient in IP configuration, then turn on the router DHCP service, and the computer IP address and DNS can be set automatically.

Maybe the server of a node is shut down at night, contact the operator.

You are not using mobile wireless broadband.

The work of the computer mainly depends on the network, and many functions can not be used without the network, and sometimes we will encounter some problems, such as the computer plugged into the network cable and cannot connect to the Internet, let me share the solution with you;

The first reason may be because the network cable is not in good contact, first check whether the light of the network cable behind the computer is on, and then unplug the two ends of the network cable and reconnect it, or check whether the optical modem connected to the router is normal, and reset the router;

It may also be due to the computer, find the network icon in the lower right corner of the desktop, right-click the icon, select [Open Network and Internet Settings], and click [Network and Sharing Center];

Open the network we are connected to, select [Diagnosis], wait for the computer to automatically diagnose the problem, if you still can't access the Internet, consult a professional mechanical energy to check and repair;

The above is the solution to the computer plugged into the Internet cable and not connected to the Internet, I hope it can help everyone.

Check whether there is a network or whether the network is running properly.

In many cases, if the computer is not connected to the Internet, it is not the problem of the computer, but the problem of the network itself. Therefore, let's first check whether the router, cat, and other network devices are operating normally. If the network is normal, it is a problem with the computer; If the network is not normal, it may be a network line problem, and it is recommended to wait for a period of time or contact the operator to solve the problem.

Check the network card driverIf there is no problem in step 1, then we use the shortcut key "Windows + R" to open the run box, enter, and then press enter to open the device manager, check whether the network adapter has a yellow exclamation mark, if there is one, you need to install or update the network card driver.

Restart the network cardIf the driver is installed, the computer connection is still unsuccessful. We can open the "Control Panel", find the "Network and Sharing Center", click "Change Adapter", right-click to disable "Local Connection" or "Wi-Fi Connection", and then right-click again to turn on "Local Connection" or "Wi-Fi Connection" to let the computer retrieve and obtain the network signal again to solve the problem.

There is no exclamation mark in the question, the wireless network card used before is fine, plug the network cable into the network panel, it shows no network connection.

This phenomenon may be caused by a computer system failure, so it is recommended that you reinstall the system and try it

Ask how to reset the network adapter.

5. Right-click the local combo again and select "Enable", so that the network adapter will be reset!

You have to make sure that your network card is usable, the network card is driven, and then the network cable connection is normal.

Still no internet connection after plugging in the network cable on the computer? It turns out that there is a problem with the setup here. mp4

Can't connect to the Internet with a computer plugged in? The pros tell you that it's the best problem.