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Tietong's broadband has the problem of binding network cards.
Limit the user's broadband to only one computer.
Solve the problem: 1: The network cable is connected to the notebook, call Tietong **, change the network card, and let him refresh it for you. You're on it!
2: Method 1 every time you change the machine to play **, too troublesome, the solution is, buy a router, let Tietong bind to the router, and the computer that needs to access the Internet can be connected to the router. --Note,Don't talk to Tietong about the router,And after using the router, sometimes multiple computers go to the Internet at the same time,It will make Tietong identify,Can't open the web page (don't worry about him,**,QQ is no problem),Multiple computers do not go online at the same time,There is no problem at all!!
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See if your laptop network card supports 1000M, and if so, force him to 100 Gigabit full duplex.
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There is no way to do this, if you don't know how to set it, you can solve it by changing the IP address on the desktop. It is set in the properties of the local connection, which is very simple.
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It's because Tietong gives a fixed IP, and you can buy a router through the router.
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Summary. First look at whether the computer or laptop has turned off the wireless network or wifi function, one is the switch setting of the wireless network and wifi with the system or software, and the other is the hardware switch of the computer or notebook itself, solution: re-turn on this switch; 2. Confirm whether the wireless network needs to enter the password and whether the password is correct, if you don't know the password of the wireless network or the password is entered incorrectly, you can't connect to the wireless network; 3. Check whether there is a wireless network card device in the device manager, if there is no or there is a yellow question mark on it, it is a wireless network card driver problem, the network card driver may be lost or damaged, if the driver is lost, the "local connection" icon will also disappear.
Solution: Go to the official website or reinstall the driver with the built-in drive disk, or install and run the driver wizard to update and reinstall the NIC driver; 4, Try right-clicking "Network Connections" in the system tray and select "Solve Problem" for quick repair; 5. Press win+x, select "Command Prompt (Administrator)", note that this does not select the "Command Prompt" above, otherwise you may receive a prompt of "the requested operation needs to be improved" after entering the command. In the cmd window that pops up, type "netsh."
The computer is plugged into the network cable but cannot be connected to the Internet, which may be caused by poor network cable contact, and the two ends of the network cable can be unplugged and reconnected.
Can you tell us more about that?
First look at whether the computer or laptop has turned off the wireless network or wifi function, one is the switch setting of the wireless network and wifi with the system or software, and the other is the hardware switch of the computer or notebook itself, solution: re-turn on this switch; 2. Confirm whether the wireless network needs to enter the password and whether the password is correct, if you don't know the password of the wireless network or the password is entered incorrectly, you can't connect to the wireless network; 3. Check whether there is a wireless network card device in the device manager, if there is no or there is a yellow question mark on it, it is a wireless network card driver problem, the network card driver may be lost or damaged, if the driver is lost, the "local connection" icon will also disappear. Workaround:
Go to the official website or use the built-in driver disk to reinstall the driver, or install and run the driver wizard to update and reinstall the NIC driver; 4, Try right-clicking "Network Connections" in the system tray and select "Solve Problem" for quick repair; 5. Press win+x, select "Command Prompt (Administrator)", note that this does not select the "Command Prompt" above, otherwise you may receive a prompt of "the requested operation needs to be improved" after entering the command. In the cmd window that pops up, type "netsh."
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Dear, hello, I am glad to answer for you that the desktop computer network cable is plugged in but not connected to the Internet Answer: the desktop computer network cable is plugged in and can not be connected to the Internet Details are as follows: 1. The computer is plugged into the network cable but is not connected to the Internet The first may be caused by poor network cable contact, you can unplug the two ends of the network cable and reconnect it again to see if you can connect to the Internet, or check whether the network cable is damaged, put the network cable on other computers to connect it and try it, if the network cable is plugged in, the network cable interface light is not lit, You can check the specific methods of how to fix how to fix the computer plugging in the network cable light does not turn on.
2. After ruling out the cause of the network cable, it may also be a problem with the computer. If you have connected to wireless wifi before, you need to disconnect the wifi and then connect the network cable, or directly click to open the wifi connection of the computer, and disable all wifi options. 3. Or connect the network cable with other computers to see if you can access the Internet, eliminate the problem of connecting the device, and see if the connection of the router is normal.
4. If it is other devices connected to the router, it is still unable to access the Internet after the router is restarted, or the broadband is not available, or it may be that the mobile phone number that has opened the broadband is in arrears, you can check the phone bill, if there is arrears, restart it after the recharge is successful. 5. If there is no arrears in bandwidth, you can check whether the router or the optical modem connected to the router has a red light. If the router turns on the red light, it means that the network cable is broken or the router is broken, you can change the router, if the optical modem turns on the red light, it means that there is a problem with the connection of the network cable, you can call the broadband customer service to understand, and find a professional to repair it.
6. If there is no problem with the router, there may be a problem with the router settings. Reset the router and then set it again, the router reset is mainly through the reset button at the power interface of the router, press and hold to reset, and then log in to the router again to set the router login password, wifi password, etc., and then use the computer to reconnect and try.
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There are many reasons why desktop computers can't access the Internet when they are plugged in.
Clause. First, the network card problem, the network card is not plugged in, then the network cable is plugged in is useless, so re-insert the network card.
Clause. Second, the network card driver is not installed, plugging in the network cable is useless, it can not be used normally, use the U disk from elsewhere to copy the driver file corresponding to the correct network card model for installation, can be used.
Third, the router connected to the network cable has the DHCP function turned on, so that the network cable is plugged in and the driver is installed, and the network card can automatically obtain the IP address and access the Internet.
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The desktop computer can't go to the Internet after plugging in the network cable, the reason is that there is a problem with the network cable itself, either the wireless network at home itself can't connect to the Internet, and the desktop DNS needs to be repaired, or the network card driver is abnormal and needs to be repaired.
The easiest way is to buy a wireless router and connect it to the network cable port of the office, and then connect it to the desktop, ensure that the router is turned on, and you can search for the signal of the wireless router to surf the Internet when you go back to the dormitory!!
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