One, line problems
First of all, check the home line, see whether the house connector is connected, the line is not through any interference sources, such as air conditioning, refrigerators, TV, etc., try to maintain a certain distance from these power equipment. You can also replace the indoor line with a network cable that is more resistant to interference. Make sure the lines are connected correctly. Connect the telephone line to the junction box after entering the house, and then go to the voice separator to separate, one line goes to the telephone, one line goes to the MODEM (the separator is labeled). At the same time to ensure that the line communication quality is good without being interfered with, not connected to other equipment that will cause line interference. And check the junction box and crystal head there is no poor contact and whether it is strung together with other wires. It is better to use a standard telephone line if possible, and connect the PC to the twisted-pair cable that comes with the ADSL Modem. The wiring is one of the most important factors in the quality of Internet access. Distance from the user cable line within 100 meters of the radio transmission towers, welding machines, trams or high-voltage power transformers and other sources of signal interference, can make the user down the line to receive stray waves (copper-coated steel wire shielding is weak, strong ability to receive signals), the user line caused by strong interference. Interfered with the signal is often unshielded down the line part of the entry, because the relay cable has a shield, the interference and the impact is very small. If you use some lower wires with shielding in places with high interference, it will reduce the unstable speed or drop phenomenon caused by interference. In addition, the power line must not be parallel with the adsl line to prevent crosstalk and cause adsl failure. In addition, there are many other factors that cause network instability, such as signal interference and software conflicts. Cell phones, which have a lot of radiation, must not be placed next to the ADSL Modem, because every few minutes the cell phone will automatically find the network, when the powerful electromagnetic interference is enough to cause the ADSL Modem to cut off the flow.
The second problem is the network card
The network card is usually a PCI card or on-board network card, when choosing the time to choose a better quality, otherwise it may cause the quality of the Internet is not good. 10M or 10M/100M adaptive network card are available. In addition, many machines *** enjoy Internet access, the use of dual network card, which is also caused by the same conflict of concern, then, should be pulled up to connect to the LAN or other computer network card, only connect to the ADSL network card to test the Internet, if the failure to return to normal, and then check the two network cards have no conflict.
Three, ADSL MODEM or network card settings
Now MODEM generally has two working modes, one is the normal mode using dial-up software, and the other is the automatic dialing routing mode. In normal mode, there is no need to set up the MODEM, just use the default. Routing mode, on the other hand, requires settings. The MODEM comes with its own flash memory, so you can deposit account and password box settings for power-on auto dialing. This method is most commonly used when the IP address of the ADSL Modem is set wrongly, or the DNS server is set wrongly. Because for ADSL virtual dialing users, there is no need to set IP address, it can be assigned automatically, and TCP/IP gateway generally does not need to be set. However, DNS settings must be set correctly, DNS address can be obtained from the local telecommunications department. In addition, the TCP/IP settings are most likely to cause the situation of not being able to browse the web, generally set to automatically obtain an IP address, but the DNS must be filled in.
Four, ADSL Modem Synchronization Abnormal Problems
Check to see if your phone line and the ADSL connection is not in good contact, or the phone line is faulty, the bad quality of the phone is particularly easy to cause the line drop, but such problems are not easy to check, so be sure to use a better quality phone line. If you suspect that the splitter is bad or the ADSL Modem is bad, try to connect the external line directly to the ADSL Modem without using the splitter. the connection line between the splitter and the ADSL Modem shouldn't be too long, or else it can't be synchronized. To rule out the above, just restart the ADSL Modem to solve the synchronization problem.
Fifth, the operating system, virus problems
In addition to the above mentioned line conditions, there are computer system problems. For example, the Legend Killer causes LAN dropouts. The problem occurs in a large area of the country, the virus on the host agent and router agent of the Internet cafe (LAN) will have an impact. Legend Killer is a destructive software that performs ARP spoofing and virtual gateway address on LAN to collect login information of Legend game on LAN and analyze it in order to get user's information. Workflow: First, broadcast the MAC of the machine to the LAN through arp spoofing, so that the workstations in the LAN mistakenly think that the machine is a gateway. This process will cause the LAN and Internet connection to be interrupted, causing the game to disconnect from the server. When the user restarts the game and logs in, the account information is not directly uploaded to the proxy server through the gateway, but to the Legend Killer software that is performing arp spoofing. Through the Legend Killer's own decryption means, will obtain the account's real user name and password. The purpose of stealing the player's account can be achieved by the decryption means of Legend Killer itself. Episode conditions: LAN and Internet links suddenly slowed down or even disconnected. Network game disconnect, and re-login prompted the server does not correspond. It is recommended that the first check for viruses; if you have the ability to do so, reinstall the system; such as the use of machines with dual-network cards, uninstall a network card; it is recommended that users who are not very familiar with the computer do not arbitrarily install a variety of firewall software, set up incorrectly will cause Internet instability. Some operating systems may have compatibility problems with ADSL-related components, so you can go to Microsoft to upgrade the system, or repair the system. Reinstallation can be done if possible. If there is a software conflict, try to find out the conflict software, uninstall it or other methods to solve the problem.
Sixth, the firewall, IE browser settings are not right
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