Can't access the Internet when connected to the router
1. Log in to the router's address. After logging in, click "Routing Settings"
2. Click "DHCP Server". Enter the corresponding DNS service address in "Preferred DNS Server"
#3. How to find DNS: Press the WIN R key and enter "cmd" in the pop-up run box. , and then click "OK"
4. Enter "ipconfig/all" in the command bar, then click the Enter key to execute the command, and you will find what you want in the results. information
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Solution to the problem that the computer browser cannot open the web page but can access the Internet: 1. Network setting problem, power off the router and wait a few minutes, then plug it back in; 2. Browser setting problem, clear the browser cache and browsing history , make sure the browser does not set up a proxy server or virtual private network; 3. DNS setting problem, change the DNS settings to a public DNS server address; 4. Anti-virus software or firewall problem, disable the anti-virus software or firewall, and try to open the web page again; 5. There is a problem with the web page itself. Please wait for a while or contact the website administrator to find out the situation.

In routers, sn stands for "Serial Number", which means "serial number" and refers to the factory number of the router. The router serial number (SN) and physical address are both hardware identifiers, which are unique; the router will be under warranty only if the router's serial number is kept intact. The router serial number SN can be seen directly in the manual and on the back of the router.

Can. However, you need to pay attention to some issues: 1. Placing the router upside down may have a certain impact on heat dissipation, causing heat to accumulate at the bottom of the router, affecting the heat dissipation effect. Long-term overheating may reduce the performance of the router and adversely affect its lifespan. ; 2. Placing the router upside down may affect the operation and management of the device, and the indicator lights and interfaces may be blocked or inconvenient to operate; 3. Placing the router upside down may also have a certain impact on network security, and the default user name and password may cause This information is more susceptible to prying eyes.

1. Use the win+x shortcut key to open the menu and select [Command Prompt (Administrator) (A)], as shown below: 2. After entering the command prompt interface, enter the [ipconfig/flushdns] command and press Enter , as shown in the figure below: 3. Then enter the [netshwinsockresetcatalog] command and press Enter, as shown in the figure below: 4. Finally enter the [netshintipreset] command and press Enter, restart the computer and you can access the Internet, as shown in the figure below:

1.1.1.1 Login method for the Internet authentication system: 1. Search for the campus network wireless signal and connect; 2. Open the browser and select "Self-Service" on the pop-up authentication interface; 3. Enter the user name and initial password to log in; 4. Complete Personal information and set a strong password.

Reasons why WiFi is connected but cannot access the Internet: 1. WiFi signal is weak; 2. IP address conflict; 3. DNS server problem; 4. Router failure; 5. Network provider problem; 6. Problem with the WiFi network itself; 7. Router problem ; 8. Equipment network setting problems; 9. Signal interference or obstacles; 10. Equipment problems. Detailed introduction: 1. The WiFi signal is weak. The strength of the WiFi signal directly affects the stability and speed of the network. If the connected WiFi signal is weak, it may cause the network connection to be unstable or unable to access the Internet, etc.

The first light is on, indicating that the router is powered on. Which port is plugged in, the light of which port is on, and flashing means data is being transmitted. Wireless routers usually have three indicator lights: SYS, LAN and WAN. When the wireless router is powered on, the SYS light will light up. When the wireless router is connected to the network modem, the WAN light will light up. The LAN light corresponds to each interface of the wireless router. As long as the network cable is inserted into the corresponding interface, the corresponding LAN light will light up. 1. If it keeps flashing, it means it is transmitted by data, and the router settings should be normal. 2. If you have always been able to access the Internet, but you can't get online recently; it is probably a problem with the external line, that is, a problem with the operator (usually there is a problem with the line, causing the data signal to attenuate too much, although the line is good)

Students who know computers all know that if our computer wants to connect to the network, it must have an IP address. This IP address can be manually configured, such as 172.16.19.20; it can also be automatically obtained by the DHCP server of the computer network card, such as 192.168.1.100 etc. These IP addresses are what we often call IPV4 addresses, and the corresponding IPV6 is also a type of IP address. What is IPV6 IPV6 is a new IP address that emerged in response to the exhaustion of IPV4 address resources. Its full name is "Internet Protocol Version 6", and its Chinese name is the sixth generation of Internet Protocol. The number of IPv6 addresses is theoretically 2^128