What is the reason why the wireless router’s sending function is normal but the signal cannot be received?

Why is the wireless router only sending but not receiving?

Wireless router (this security uses TP-LINK as an example), only data is sent but no data is received. Reason:

1. The network cable connection error mainly means that the network cable connected to the modem should be correctly plugged into the router;

2. The account number and password entered for dial-up Internet access are incorrect;

3. Router problem;

4. Network problems.

Solution:

1. Connect the network cable correctly. The network cable from the modem should be connected to the WAN port of the router (usually the port with a unique color);

Router example diagram:

2. Log in to the router (generally, the default address of the router is 192.168.1.1, and the username and password are both admin. For specific data, please refer to the back of the router or the manual), find the [Network Parameters] option on the left, and select [WAN Port] Settings], enter the correct Internet account and password, set the connection method (the default is to connect on demand, change the automatic disconnection time to 0), click [Save];

3. Change a router and re-dial to connect to the Internet;

4. Call the customer service number of the network operator and ask the other party to check whether the network is smooth. If the problem cannot be solved, you can ask maintenance personnel to come to deal with it.

Broadband only sends but does not receive

Generally speaking, when this kind of failure occurs, the network connection is good, that is, the red cross icon will not appear. But this is just a normal performance, so when we start, we must start with ourselves.

The first thing to start with is to check whether any software has been installed before the fault occurred and whether any settings have been changed, especially software such as anti-virus software and firewalls. Improper settings may cause the machine to only send Not receiving packets. Next, you can use "Ping 127.0.0.1" to make a basic judgment on the working status of the local network card. If it can be pinged, it proves that the network card is normal.

To be on the safe side, it is recommended that you reinstall TCP/IP in this case. Open the properties window of the local connection, then click the "Install" button, select the "Protocol" item in the opened component window and open the add window, select "Microsoft TCP/IP Version 6" under "Microsoft" to reinstall TCP/IP Install it.

Another situation is the problem of 10/100M adaptive network card, especially low-end machines with integrated network cards. When this happens, it is not recommended to set the network directly to 10M. Open the properties window of the local connection, click the "Configuration" button of the network card in "General", switch to the "Advanced" tab, and set the network speed to 10MB.

Generally speaking, these are the reasons why network card data is only sent but not received due to the local machine. If these problems have been checked and the problem still exists, then you need to continue searching to the next level.

Continue to find the problem at the next level, which is the network and switches. Since the network cable is still relatively fragile, one of the eight network cables is easy to break, but at this time the appearance is still normal, especially the network cable responsible for data reception is broken. For this reason, after confirming that there is no problem with the machine, you need to test and replace the network cable, which can solve the problem.

The fault of the network cable can lead to the fault of the switch. The same situation will occur when a module or port of the switch fails. Therefore, we might as well try changing the corresponding port, which may get twice the result with half the effort. However, for a network divided into vlans, changing ports at will will also cause data to be sent but not received. Therefore, when changing, you must make sure that the ports before and after the change are in the same vlan.

Generally speaking, start checking locally and expand outward in order, so that it is easy to solve the problem of data only being sent but not received. This sequence should also be followed when dealing with various network failures. Most of the various problems that arise are caused by improper personal operations. Asking before dealing with them often yields unexpected gains.

Local connection data packets are only sent but not received

1. Try changing the IP address;

2. Another possibility is that there is a problem with the local DNS cache. In order to improve website access speed, the system will automatically store the website that has been visited and obtained the IP address into the local DNS cache. Once the website is accessed again, the website will be fetched directly from the local DNS cache no longer through the DNS server. IP address for access. Therefore, if there is a problem with the local DNS cache, the website will be inaccessible. You can execute ipconfig /flushdns in "Run" to rebuild the local DNS cache.

3. Poisoned: Check the process in the task manager (enter the method, put the mouse on the taskbar, right-click - Task Manager - Process) to see how the CPU usage is, if it is 100%, To be sure, it is infected with a virus. At this time, you will simply suffer if you want to run other programs. This requires checking which process is greedily occupying the CPU resources. After finding it, it is best to record the name and click End. If it cannot be ended, boot into safe mode, delete the thing, and enter registration. In the table, (method: Start-Run, enter regedit) in the registry dialog box, click Edit-Search, enter the program name, after finding it, click the right mouse button to delete, and then search several times, it can often be completely deleted. clean.

There are many viruses, and when anti-virus software is unable to do anything, the only way is to delete them manually. You don’t need to do the third step and just rebuild the system from scratch.

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