You can access QQ, but cannot browse the Web page.

Source: Internet
Author: User
Tags domain name server
1. Virus Infection
This often occurs when you open ie. In the lower-left dialog box of the IE interface, the system prompts that the webpage is being opened, but the webpage does not respond for a long time. Check the process in the Task Manager (enter the method, place the mouse on the taskbar, right-click the Task Manager-process) to see how the CPU usage is. If it is 100%, you can be sure, is infected with a virus, and you want to run other Program It is simply suffering. Check which process occupies CPU resources greedily.
After finding it, you 'd better record the name and click "end". If it cannot be completed, you need to start to secure mode to delete the stuff and enter the Registry. (method: start-run, enter Regedit) in the Registry dialog box, click Edit-search, enter the program name, find it, right-click to delete it, And then perform several searches, it can often be completely deleted.
There are a lot of viruses. When anti-virus software is powerless, the only way is to manually delete them.
2. related to setting proxy servers
In some cases, the proxy server (control panel -- Internet option-connection-LAN Settings-use proxy server for LAN) is set in the browser ), setting the proxy server does not affect QQ's network connection, because QQ uses port 4000 and port 80 or 8080 to access the Internet. This is why many people do not understand why QQ can be accessed, but web pages cannot be opened. The proxy server is generally not very stable, sometimes it can be accessed, sometimes it cannot. If so, cancel the proxy.
Iii. DNS server explanation Error
The so-called DNS, that is, the domain name server, it converts the domain name into a computer can recognize the IP address, such as the window of Shenzhen ( ) Corresponding IP address is, Shenzhen hotline ( ) The corresponding IP address is If an error occurs on the DNS server, the domain name cannot be interpreted. Naturally, the Internet cannot be accessed.
If this is the case, sometimes it is a problem with the network service access provider (ISP), you can call the ISP. Sometimes it is a problem with the vro or network card and cannot be connected to the DNS Service of the ISP.
In this case, you can turn the vro off for a while, or reset the vro. Or the network adapter cannot automatically find the DNS server address. You can try to use the specified DNS server address. In the network properties, (Control Panel-network and dial-up connections-local connection-right-click Properties-TCP/IP protocol-properties-use the following DNS server address ). Different ISPs have different DNS addresses. For example, China Telecom usually uses (master) (Backup ).
Updating the NIC driver or changing the NIC is also an idea.
Iv. Failure to start IE due to loss of system files
This phenomenon is quite common because:
1. system instability is manifested in frequent crashes, frequent inexplicable restarts, and illegal shutdown, leading to loss of system files;
2. Hardware and Software conflicts often occur when some programs are installed, causing NIC Driver conflicts or IE conflicts. Since Intel introduced hyper-threading CPU, an outstanding problem is that IE6 in XP SP1 conflicts with hyper-threading;
3. Virus intrusion causes damage or loss of system files.
In the first case, you can try to repair the system. In the 2 K or XP system, place the original installation disc (Note: The original installation disc must be used), and enter SFC/scanow in the Start-run mode, press enter. 98 systems can also be checked using the SFC command.
In the second case, You Can unmount the recently installed hardware or program. 2 K or XP systems can press F8 after the machine is started to enter the Start Menu, select "Last correct configuration". If it is an XP system, you can also use the restoration function of the system to solve the problem quickly.
If the XP system is caused by hyper-threading CPU, you can disable hyper-threading In the BIOS or upgrade to SP2. (Of course, upgrading SP2 in XP involves a lot of knowledge and precautions, which will not be detailed here ). In this case, the ttbrowser that comes with QQ can be browsed normally. You can try it again.
In the third case, the system disk should be thoroughly scanned for viruses.
Another phenomenon also needs to be paid special attention: You can open the homepage of the website, but you cannot open the second-level link. If so, you can re-register the following DLL file:
Regsvr32 shdocvw. dll
Regsvr32 shell32.dll (note that you do not need to enter this command First)
Regsvr32 oleaut32.dll
Regsvr32 actxprxy. dll
Regsvr32 mshtml. dll
Regsvr32 urlmon. dll
Regsvr32 msjava. dll
Regsvr32 browseui. dll
Note: Press ENTER for each entry. The second command does not need to be input. After these commands are input, restart Windows. If it is invalid, enter the second command again.
5. Damaged IE
If none of the above methods works, it may be that the kernel of IE is damaged. Although the system has been repaired and cannot be compensated, reinstalling IE is the best method.
For 98 or 2 k systems, if the IE version is 5.0, we recommend that you upgrade it to 6.0.
If 6.0 has been installed on the 98 system, click Add/delete programs in the control panel. A repair dialog box is displayed. Select the default repair and restart.
If it is a 2 K + ie6.0 or XP (the built-in IE is 6.0) system, it is a little troublesome to reinstall ie. Method:
Open the registry, expand HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Active Setup \ Installed Components \ {89820200-ecbd-11cf-8b85-00aa005b4383}, and change the isinstalled DWORD value to 0;
Case 1: You cannot browse the Web page but can chat with QQ.
1. The "connection" option of the browser is set incorrectly.
Solution: Set the Internet type correctly. If you use the proxy service to access the Internet, enter the IP address and port number of the proxy server correctly. If not, do not select the "use proxy server" option.
2. DNS server setting error
Solution: If the ISP provider assigns you a fixed IP address, enter the IP address provided by the ISP and the DNS server address correctly. If the ISP provider assigns a dynamic IP address, therefore, you do not need to enter the DNS server address. Another possibility is that the DNS server of the ISP provider fails to correctly convert between domain names and IP addresses, in this case, you can enter the IP address of the website in the address bar of your browser to browse the webpage.
3. firewall setting error
Solution: If the firewall is improperly set, information exchange with the Internet may be blocked, resulting in failure to browse the Web page. You can modify the firewall settings. If you are not familiar with it, select the default level and select "medium.
Case 2: solutions to faults in which ADSL can successfully log on but cannot browse the Web Page
First, you should ping the DNS server address of the ISP to check whether the server can be pinged. If the server can be pinged, most of them are software problems. If the server cannot be pinged, check the connection status of the hardware device/line and the Communication Protocol (TCP/IP)
If Ping is successful, you can see information similar to the following:
Command ing
Reply from bytes = 32 time = 14 Ms TTL = 250 reply from bytes = 32 time = 27 Ms TTL = 250 reply from bytes = 32 time = 20 ms TTL = 250 reply from bytes = 32 time = 17 Ms TTL = 250
If Ping fails, the following information is displayed:
Pinging with 32 bytes of data: Time Out time out
1. if you have multiple computers, you can replace them with other computers. Do not install any proxy server software or any firewall on the replaced computer, and install only one Nic to connect directly with adslmodem, install the ADSL dialing software correctly. Check whether browsing is normal. If yes, the fault is caused by the user's computer. If not, check whether the modem and line are normal.
2. if you have only one computer, you can stop running all proxy server software, such as Wingate, Sygate, and Windows Internet Connection Sharing (ICS). Log On directly to see if the fault can be rectified, if you stop running the agent server software and then troubleshoot it, it must be a problem with the agent service software.
3. Check the browser settings, especially the IE settings. For example, the most common failure that causes the browser to fail to browse the Web page is to select "Automatic Detection Settings" in IE. Remember not to select this option. For ie5x, Click Tools-> intrenet options-> connection-> LAN Settings. You can see this option. If this option is checked, you must cancel it. After cancellation, the fault can be solved.
4. check whether the TCP/IP protocol attribute settings, especially the DNS server settings are correct. The ADSL user in Kunming can set the master DNS server to, and the secondary DNS can be set to, in particular, the DNS settings vary depending on the dial-up software, and some (set in the connection icon attribute of the dial-up network, and some in the control panel network, some are set in the connection profile attributes of the dialing software (such as enternet300. Make sure that the settings are correct.
5. if you have confirmed the correctness of the above checks, you can prepare the ADSL dial-up software and Windows System CD, and then delete the dial-up software first, delete all TCP/IP protocols in the control panel/network, restart the computer, re-Add the TCP/IP protocol, turn on the modem power, and re-install the dialing software. After testing, if the settings are correct, after the dialing software and TCP/IP are reinstalled, most of them can solve the problem of dialing but not browsing the Web page.
6. Change a browser software, such as Netscape Browser browser test of Netscape.
7. If you directly connect to the computer on which the ADSL modem is connected to the Internet with two NICs, try to pick up the NIC connected to the local network and leave only the NIC connected to the ADSL modem. Check whether the fault is rectified. If the fault is rectified, check the network and system resource configuration. In particular, check whether the NIC conflicts with other devices (for Windows users, you can check whether the device is normal on the control panel, system, or device management)
8. Your Nic has enabled the boot function of the boot ROM chip, and this is caused by the NIC with the PXE boot chip. It can be solved as follows:
① If the NIC is integrated on the motherboard or the boot program on the internet is written into the bios, you can modify the boot sequence of the system from the BIOS settings, such as setting the hard disk to boot first, or, disable the NIC from starting the system from the BIOS.
② If the NIC is not integrated, You can unplug the boot chip on the NIC or use the NIC setup program to disable the bootrom boot function of the NIC. After the NIC is started, when press Shift-F10 configure... appears ......" Immediately press SHIFT + F10 to enter the menu, set boot order Rom to disable from row 4th, and press F4 to save and exit.
Case 3: shared Internet access cannot browse webpages
After using Windows XP as a proxy server, I found that other computers in the LAN could not browse the Web page, but there was data flow, and I could use QQ and other software. Each machine in the network could also access each other. The proxy server is a dual nic. in the Network Configuration Wizard, set it to "other computers in the network access the Internet through the Local Computer" (connect to the LAN through a NIC ), in the shared property, set it to "B connection shared to the network" (that is, 2nd, B Nic ). The client is set to "access the Internet through another computer in the network". The operating system has Windows 98/2000/XP and is connected through a switch. The indicator lights on the proxy server are working properly (A, B, and broadband modem connections), but the indicator lights on the client occasionally. When you open a webpage, you can see the "opening the *** webpage" in the status bar, but you cannot see the webpage for a long time. The prompt "the webpage cannot be displayed" is displayed.
Solution: Your network connection and DNS settings may have problems:
① Establish a cascade line and connect network card a directly to the broadband ADSL. ② Set the IP addresses of other clients to,, ......, Set the subnet mask to, set the gateway address of each client to, and set DNS to your ISP's DNS address.
At the same time, you can also consider whether there is a conflict between the proxy server and the network card, change the PCI slot, remove unnecessary peripherals, and so on, it is also helpful to solve the problem.
Common ADSL disconnection
Web pages cannot be opened, downloads are interrupted, or online video and audio streams are interrupted. These problems may cause many users to access the Internet through ADSL. However, when you carefully check the status of the ADSL modem, you will find that the dial-up login is successful. So what exactly is the problem?
1. Line instability
If the domicile is too far away from the Telecommunications Bureau (more than 5 kilometers), you can report to the telecommunications department. Ensure that the line connection is correct (the connection methods for different voice splitters are different. Please follow the instructions to connect correctly ). At the same time, ensure that the communication quality of the line is good and there is no interference with other devices that may cause line interference, such as telephone extensions and fax machines. Check whether there is poor contact between the junction box and the crystal head, and whether there is any link with other wires. It is best to use standard telephone lines if conditions are met. It is better to use twisted pair cables of category 3, Category 5 or category 5 of ITU standards. The telephone lines are separated after they are entered. The first line is telephone and the first line is computer. If you want to install a telephone extension in your room, you 'd better select a good distribution box. The PC is connected to the twisted pair Cable attached to the ADSL modem. (Note: Do not place the mobile phone next to the ADSL modem, because the mobile phone will automatically find the network every few minutes. In this case, the powerful electromagnetic interference can cause the ADSL modem to be disconnected .)
2. Check your network card. If it is an ISA network card, you 'd better switch to PCI and select a good quality network card, too cheap network card may be the cause of the problem. 10 m or 10 M/M Adaptive Nic. In addition, it is also worth noting that dual NICs cause conflicts. In this case, you should unplug the network adapters connected to the LAN or other computers and use only the network adapters connected to ADSL for Internet access testing. If the fault returns to normal, check whether two NICs conflict with each other.
3. Incorrect ADSL modem or Nic settings
The most common problem is that the IP address of the ADSL modem is set incorrectly or the DNS server is set incorrectly. Because the user of ADSL virtual dialing does not need to set an IP address, it can be automatically allocated. Generally, TCP/IP gateways do not need to be set. In addition, make sure to set DNS correctly. If the operating system is Windows 9x, enter winipcfg in the DOS window to get the DNS address, and enter ipconfig/renew in Windows 2000/XP, or ask the local telecommunications department.
In addition, the TCP/IP settings are the most likely to cause the inability to browse the Web page. For example, if you have not changed the settings, you can always browse normally and suddenly find that the browsing is abnormal, you can try to delete the TCP/IP protocol and then add the TCP/IP protocol again.
4. ADSL modem synchronization exception
Check whether your telephone line is not in good contact with the ADSL connection, or the telephone line is faulty. If you suspect that the splitter is bad or the ADSL modem is bad, try to directly connect the external line to the ADSL modem without using the splitter. If it is determined that there is no problem with the separator, ensure that the connection between the separator and ADSL modem should not be too long. If it is too long, it is very difficult to synchronize. If the above conditions are excluded, you only need to restart the ADSL modem to solve the synchronization problem.
5. Dial-Up software mutual interference
There are two ways for ADSL to access the Internet: virtual dial-up and leased line access. Currently, most of the personal user's ADSL uses the former. However, pppoe (Point-to-Point Protocol over Ethernet Point-to-Point Protocol) has its own advantages and disadvantages. After tests on different operating systems, if the operating system is Windows XP, we recommend that you use the pppoe dial-up software, which causes less interruption and improves stability. If you are using Windows ME or 9x, you can use the following types of virtual dialing software: enternet, winpoet, and raspppoe. Among them, enternet is a commonly used one, enternet 300 is applicable to Windows 9x, and enternet 500 is applicable to Windows 2000/XP. If you have problems with a pppoe dialing software, uninstall it and use another pppoe dialing software. Be sure not to use multiple pppoe software in the same fashion to avoid conflicts.
6. Other Software conflicts
Uninstall software that may cause interruption. Now, some software such as QQ 2000b may lead to disconnection from the Internet. Further tests are required to test the specific conditions. After uninstalling, many netizens found that the disconnection problem was solved, including users who used the ordinary modem 163 to dial up the Internet, which also solved the disconnection problem, I have also received emails from my friends to solve the problem of disconnection after uninstalling QQ. If you have QQ, uninstall your OICQ first and try again on the Internet. When you find that some software is disconnected and it is normal to close it, uninstall it.
7. Improper configuration of virus attacks and firewall software
Although it is less likely to be attacked by hackers and viruses, it is not ruled out. If the virus destroys components related to ADSL, the system may also be disconnected. We recommend that you install the "Skynet firewall" or "Kingsoft network firewall", which can monitor the communication between your computer and the network in real time and warn you of inexplicable network access methods, effectively reduces the risk of attacks. If it is determined that the software is damaged or attacked by viruses, check the installed firewall, the Internet shared proxy server software, and the Internet acceleration software. After the software is stopped, then test the connection to see if the speed is back to normal.
In short, the inability to browse the Web page is one of the most common failures on the Internet. The specific causes are complex and the solutions are also different. We can do this: first soft, then hard, then the system is simple, then complex, half-lookup to narrow down the fault scope. Perform the following steps:
Step 1: eliminate accidental and unpredictable faults
No matter whether it is November 21, the computer and modem should be cold-started to eliminate possible occasional and unpredictable faults, such as software conflicts, memory chaos, automatic disconnection of ADSL modem, automatic disconnection during IP address adjustment, and device sleep. I still cannot inquire whether other people or other computers can browse the webpage normally to determine whether it is a common problem or a personality problem. If it is a common problem, the Internet can only be solved by the ISP. for LAN, check the server or network line. If it is a matter of personality, you can focus on the local network and local machine.
Step 2: preliminarily determine the fault Scope
Ping the command to check and determine. Ping the following addresses: 1. Ping the local loop address ( If reply from bytes =? is displayed ?? Time =? Ms ttl = ???, The TCP/IP protocol runs normally. If the request timed out is displayed, the Protocol must be reinstalled. 2. Ping the local IP address. Run the ipconfig command (winipcfg should be entered in 9x system) to check the IP address of the Local Machine. If the General Rules indicate that the network adapter works properly, otherwise it may be due to a problem with the NIC or modem. 3. Ping the IP address of the same network segment. If the connection fails, the current network is faulty. If there are gateways and routers in the network, ping the IP addresses of the ports connected to the CIDR Block and other CIDR blocks respectively to determine whether the network is faulty. 4. Ping the IP addresses of the Primary and Secondary DNS servers and web servers. If not, contact the network administrator or ISP.
If all the above addresses can be pinged, it can be determined that the operating system and the browser are faulty. If a time-out error occurs intermittently (or the server may be set to disable ping), it indicates that the network is unstable and packet loss is easy, for example, a broadcast storm in a LAN may cause intermittent interruption, which is generally caused by network connection, misconfiguration, or excessive users. Step 3: eliminate possible "soft" Problems
First, check the network configuration. Check the TCP/IP protocol settings, Nic, modem, and other device parameter settings. The focus is on whether the IP address, gateway, and DNS address are correct. If the IP address is incorrect, the settings are restored to normal. Check whether there are too many protocols and network adapters. We recommend that you delete "netbeui", "IPX/SPX", and other protocols (depending on the network situation ). If you access the Internet through the proxy server, check whether the "Proxy Server" settings in the browser are correct. Check whether the IP address of the dial-up adapter is set incorrectly. Because the IP address with the upper hand of the traditional dial-up is automatically assigned, when the NIC is configured on the computer, the fixed IP address that should have been set on the NIC may be set incorrectly on the dial-up adapter, resulting in a dial-up failure. Check whether the dial-up Internet Settings meet ISP requirements. For example, in some regions, the dial-up Internet number, user name, and password have been changed to 16300,16900.
The second is to check whether there is a problem with the driver of the NIC, modem, and other devices. If there is a yellow color in the Device Manager! Or ?, You need to reinstall the corresponding driver.
Third, check whether the system is infected with viruses. Upgrade anti-virus software to the latest version to completely eliminate viruses.
Step 4: eliminate possible "hard" Problems
First, check whether the NIC and various modem types are working properly (disabled or not ). Check whether the operation is unstable due to overheating. For example, you can use the modem indicator and nic indicator to check whether the operation is normal (check the manual and other materials ). Use the replacement method (change the device or move the device to another computer for testing) to check whether the NIC, modem quality or compatibility is poor.
The second is to check whether the network interface is faulty. Check whether the Board (such as the NIC) is disabled. Board, line, RJ-11 and RJ-45 wire connector due to multiple plugging, dust too much, aging may lead to virtual connection, loose, can be shut down after power off with eraser or alcohol cotton try, re-plugging, you can try another slot or interface, or re-connect the cable and isolate and reinforce or replace it with insulating tape. For example, RJ-45 interface is often loose, can be reinforced by crimping pliers. Third, check whether the external line is smooth. If you use a phone to access the Internet, check whether the telephone line is normal. You can connect the phone on the modem to the phone to listen to whether there is a dial-up sound, or directly perform a dial-up test. Adding any device in the connection from the ISP to the ADSL filter will endanger the normal transmission of data. Therefore, do not connect the device before the filter, such as the phone number or telephone anti-theft device. If you use an old-fashioned modem to access the Internet, the phone cannot enable the anti-theft function. Check whether the ADSL modem divider is connected correctly, that is, the telephone Incoming Line is connected to the line port of the divider, the telephone or fax machine is connected to the phone port, and the broadband modem telephone line is connected to the ADSL port.
The fourth is to check whether the voltage is stable, whether the ambient temperature is too high (too low), and whether the network line is busy.
Step 5: Eliminate browser faults
Fix the browser. Restore all browser settings to the default value and try again to eliminate the Setting Factors. To fix the browser, you can add or delete a program (for IE6), upgrade it, or use a netassistant to fix it online. You can also install other browsers.
Step 6: troubleshoot operating system faults
The first is to repair the registry. Access to a malicious website may change the computer registry and prevent Internet access. Use a registry Repair Tool, a netassistant tool, or scanreg/restore command to repair the registry.
Second, disable other running memory resident programs (or processes) that may cause conflicts), disable or Disable other devices (such as other Nic, modem, and related devices that share resources), and then try to access the Internet.
Third, check whether the operating system file is damaged. Use the Windows System File Checker to check (SFC for WIN98 and SFC/scannow for Win2000 and later). If the prompt is damaged, it will be restored.
4. reinstall the operating system. From the perspective of data protection, we recommend that you overwrite and install the data first. If the problem persists, prepare the driver installation disk and back up important data for backup (it is best to first partition the system into ghost) to Format and install the operating system.
DNS server setting error, TCP/IP protocol error, this is the most common error. You need to first check whether the master DNS and secondary DNS in the dial-up network are correct. Note that this is to check the DNS of the "Dial-Up Network" instead of the DNS of the "network" in the "control panel. Please ask your local ISP for the DNS address. Where do you install the broadband. Now that communication is so developed, one phone call is enough.
Next, let's talk about the faults caused by problems with the TCP/IP protocol. If you check the above settings and find that the settings are correct, but you still cannot browse the Web page, then you need to check whether the "TCP/IP" protocol has an error. Double-click the "my computer" icon on the desktop, and then double-click "Control Panel ", find the "network" icon in the control panel and double-click it to bring up a new window, in the displayed window, check whether the following network components have been installed:
× Dial-Up Network Adapter
Pay special attention to the following two points:
First, if the dial-up network adapter or TCP/IP is installed twice, the web page cannot be viewed. How can we see that it is already installed? If you have already installed the dial-up network adapter, you will see a line that says "dial-up network adapter #2" or "TCP/IP-> dial-up network adapter #2 ", here there is an additional "#2", which means that you have installed it twice. If you find a line with "#2" like this, please delete this line.
Second, if the installation is not repeated, but the configuration in the dial-up network is correct, it is very likely that the TCP/IP protocol error will cause the browser to fail, the solution is to delete this protocol and re-install TCP/IP. (before this step, make sure that you have a Windows 9x installation disc, because the system needs to read data from this disc when you reinstall it ), you can click "dial-up network adapter" with the left mouse button. Note that there are three buttons in this window: "add", "delete", and "attribute ", click "delete". Then you will find that the "dial-up network adapter" has been deleted and check "TCP/IP". If you do not have other network adapters, after the dial-up network adapter is deleted, the TCP/IP will also be deleted. If you have installed other NICs, please left-click the line containing TCP/IP, delete them one by one. Click OK ". The system will ask you if you want to restart your computer and click "yes ". After restarting the computer, go to "Control Panel", double-click "network", return to the previous window, and click "add". A new window appears, in this window, select "adapter" and click "add". The last new window appears. The box on the left of this window is "vendor". Here, select "Microsoft", select "dial-up adapter" in the box on the right, and click OK, now you are back to the "Network Properties" window in the control panel, in addition, the "dial-up network adapter" and "TCP/IP" protocols have been added to "The following network components have been installed. Click "OK". The system may ask you to add the Windows 9x installation disc. After reading the data, you will be asked if you want to restart the computer. Click "yes" and restart the computer and then dial up the Internet, generally, faults that cannot browse the Web page will be ruled out.
Tip: After "TCP/IP" is reinstalled, the web page cannot be viewed, the reason is that some friends immediately added "TCP/IP" in the window without restarting the computer after deleting "TCP/IP", and finally restarted the computer. This is futile. Remember to delete "TCP/IP", restart the computer, then add "TCP/IP", and then restart the computer again, in this way, the computer is restarted twice instead of once. Only in this way can the fault be solved.
In short, the specific operation steps should be determined based on the specific circumstances of the local network and the local machine. It is completely normal that a few sites on the Internet cannot be browsed, this is because these websites may have been canceled or are not allowed to be accessed.
Vi. DNS server setting error
Solution: If the ISP provider assigns you a fixed IP address, enter the IP address provided by the ISP and the DNS server address correctly. If the ISP provider assigns a dynamic IP address, therefore, you do not need to enter the DNS server address. Another possibility is that the DNS server of the ISP provider fails to correctly convert between domain names and IP addresses, in this case, you can enter the IP address of the website in the address bar of your browser to browse the webpage.

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