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How to troubleshoot connectivity issues and network related issues in Internet Explorer 7.0?
This article explains how to troubleshoot connectivity and network related issues if you do get 'page cannot be displayed' when browsing in IE 7:
If you have any Connectivity issues like you are not able to connect to your browser or internet or you are getting a message like page cannot be displayed while trying to go to any web page, you need to follow the below mentioned steps part by part.
There are around 7 parts specific to different scenarios
Part 1: - Power cycle the modem or router
The IP settings that your ISP provides may be misconfigured or may have to be updated. In this situation, power cycle the modem or router to update these settings. To do this, follow these steps:
* Disconnect the cable that goes from the computer to the modem.
* Turn off the modem. If the modem does not have a power switch, disconnect the power.
* Wait several minutes. Then, turn on the modem, connect the cable from the computer to the modem, and restart the computer.
Now lets see if you can browse. If you can, enjoy!!! Well if you still have issues lets continue with part2
Part 2: - Verify firewall or router settings
If you use a router to connect to the Internet, the configuration settings in the router may have changed, or the settings may have to be updated. To determine whether these issues apply, bypass the router and then connect the computer to the modem or Internet connection. When you do this, we recommend that you use a firewall.In case you have any problems setting up your firewall you ca go this link : http://www.zolved.com/synapse/view_content/11829/How_to_enable_or_disable_the_built-in_firewall_feature_of_th . The above link is for Microsoft windows XP with service pack 2.
For Moicrosoft windows XP without Service pack 2 please follow the below steps
* Click Start, and then click Control Panel.
* If you are in Category View, click Network and Internet Connections.
* Click Internet Connections, right-click Internet Connection, and then click Properties.
* On the Advanced tab, click the Setting in the Windows Firewall group.
* On the General tab, click On (recommended), and then click OK two times.
A padlock symbol appears next to the connection that you selected. This means that the firewall is enabled for this connection. If you are not sure which connection should be selected, enable the firewall on all connections.
Part 3: - Verify that the network adapter is enabled and working correctly
Make sure that the network adapter is compatible with Windows XP. Use Device Manager to verify that the network adapter is enabled and that it works correctly. Update the driver if you have to. To determine whether the network adapter is not installed or is not detected correctly, verify the device in Device Manager. To do this, perform one of the following steps:
1. Click Start, click Run, type devmgmt.msc, and then click OK. Click Start, click Run, type devmgmt.msc, and then click OK.
2. Right-click My Computer, click Manage, and then click Device Manager.
3. Right-click My Computer, click Properties, click the Hardware tab, and then click Device Manager.
To access Device Manager on a local or remote computer, follow these steps:
1. Click Start, click Run, type mmc, and then click OK.
2. Click File, click Add/Remove Snap In, click Add, and then click Device Manager. A Device Manager shortcut is created.
If an exclamation point or a question mark appears next to the network adapter in the Device Manager, double-click the device, and then note the error message that appears. The following list describes three common error codes and provides possible resolutions:
• Code 10
This device cannot start. (Code 10)
If the device has a FailReasonString value in its hardware key, that string appears as the error message. The driver or enumerator puts this registry string value there. If there is no FailReasonString in the hardware key, you receive this following error message. To resolve this problem, click Update Driver to update the drivers for this device. Click the General Properties tab of the device, and then click Troubleshoot to start the Troubleshooting Wizard.
•Code 28
The drivers for this device are not installed. (Code 28)
To resolve this problem, install the drivers for this device, click Update Driver. This starts the Hardware Update Wizard.
•Code 1
This device is not configured correctly. (Code 1)
To resolve this problem, update the driver by clicking Update Driver. This starts the Hardware Update Wizard. If updating the driver does not work, see your hardware documentation for more information.
If no exclamation mark icons appear and the latest drivers are installed, continue to part 4.
Part 4 :- Repair the connection: -
The connection settings may have to be renewed or may be misconfigured
* Click Start, click Run, type ncpa.cpl, and then click OK
* Right-click the appropriate network connection, and then click Repair.
* Test your connection.
Test your connection again and see whether you can browse the Internet. If you still cannot visit Web sites, continue to part 5
Part 5: - Repair Winsock
These issues may occur if the Winsock registry keys are damaged or corrupted.
To repair Winsock on a computer that is running Windows XP with SP2, follow these steps:
* Click Start, click Run, type netsh winsock reset, and then click OK.
* When the Command Prompt flashes, restart the computer.
If this does not resolve your problem, you need to Follow the below 2 steps
1.Delete registry subkeys. To know how to do this you click on this link – (http://support.microsoft.com/kb/310516)
2.Install TCP/IP
1. Right-click the network connection, and then click Properties.
2. Click Install.
3. Click Protocol, and then click Add.
4. Click Have Disk.
5. Type C:\Windows\inf, and then click OK.
6. On the list of available protocols, click Internet Protocol (TCP/IP), and then click OK.
7. Restart the computer.
Test your connection again and see whether you can browse the Internet. If you still cannot visit Web sites, continue to part 6.
Part 6: - Reset TCP/IP
TCP/IP may have become damaged or some configurations may have been changed. To reset TCP/IP you can click on this link http://www.zolved.com/synapse/view_content/18776/How_to_reset_TCP_IP_in_Windows_XP
Test your connection again and see whether you can browse the Internet. If you still cannot visit Web sites, continue to part 7.
Part 7: - Verify the Hosts files
You can use Hosts files to redirect Web site names to IP addresses. Some malicious software such as viruses and spyware can add entries in the Hosts files that can prevent you from browsing.
1. Click Start, point to Search, and then click For Files and Folders.
2. In the All or part of the file name box, type hosts.
3. In the Look in list, click the hard disk, and then click Search.
4. Click all the Hosts files that are found. If more than one Hosts file is found, select them all.
5. Press F2.
6. Type a new name. For example, type oldhosts, and then press ENTER.
Note the original file name. You may have to revert to the original name if this does not resolve the issue.
There are around 7 parts specific to different scenarios
Part 1: - Power cycle the modem or router
The IP settings that your ISP provides may be misconfigured or may have to be updated. In this situation, power cycle the modem or router to update these settings. To do this, follow these steps:
* Disconnect the cable that goes from the computer to the modem.
* Turn off the modem. If the modem does not have a power switch, disconnect the power.
* Wait several minutes. Then, turn on the modem, connect the cable from the computer to the modem, and restart the computer.
Now lets see if you can browse. If you can, enjoy!!! Well if you still have issues lets continue with part2
Part 2: - Verify firewall or router settings
If you use a router to connect to the Internet, the configuration settings in the router may have changed, or the settings may have to be updated. To determine whether these issues apply, bypass the router and then connect the computer to the modem or Internet connection. When you do this, we recommend that you use a firewall.In case you have any problems setting up your firewall you ca go this link : http://www.zolved.com/synapse/view_content/11829/How_to_enable_or_disable_the_built-in_firewall_feature_of_th . The above link is for Microsoft windows XP with service pack 2.
For Moicrosoft windows XP without Service pack 2 please follow the below steps
* Click Start, and then click Control Panel.
* If you are in Category View, click Network and Internet Connections.
* Click Internet Connections, right-click Internet Connection, and then click Properties.
* On the Advanced tab, click the Setting in the Windows Firewall group.
* On the General tab, click On (recommended), and then click OK two times.
A padlock symbol appears next to the connection that you selected. This means that the firewall is enabled for this connection. If you are not sure which connection should be selected, enable the firewall on all connections.
Part 3: - Verify that the network adapter is enabled and working correctly
Make sure that the network adapter is compatible with Windows XP. Use Device Manager to verify that the network adapter is enabled and that it works correctly. Update the driver if you have to. To determine whether the network adapter is not installed or is not detected correctly, verify the device in Device Manager. To do this, perform one of the following steps:
1. Click Start, click Run, type devmgmt.msc, and then click OK. Click Start, click Run, type devmgmt.msc, and then click OK.
2. Right-click My Computer, click Manage, and then click Device Manager.
3. Right-click My Computer, click Properties, click the Hardware tab, and then click Device Manager.
To access Device Manager on a local or remote computer, follow these steps:
1. Click Start, click Run, type mmc, and then click OK.
2. Click File, click Add/Remove Snap In, click Add, and then click Device Manager. A Device Manager shortcut is created.
If an exclamation point or a question mark appears next to the network adapter in the Device Manager, double-click the device, and then note the error message that appears. The following list describes three common error codes and provides possible resolutions:
• Code 10
This device cannot start. (Code 10)
If the device has a FailReasonString value in its hardware key, that string appears as the error message. The driver or enumerator puts this registry string value there. If there is no FailReasonString in the hardware key, you receive this following error message. To resolve this problem, click Update Driver to update the drivers for this device. Click the General Properties tab of the device, and then click Troubleshoot to start the Troubleshooting Wizard.
•Code 28
The drivers for this device are not installed. (Code 28)
To resolve this problem, install the drivers for this device, click Update Driver. This starts the Hardware Update Wizard.
•Code 1
This device is not configured correctly. (Code 1)
To resolve this problem, update the driver by clicking Update Driver. This starts the Hardware Update Wizard. If updating the driver does not work, see your hardware documentation for more information.
If no exclamation mark icons appear and the latest drivers are installed, continue to part 4.
Part 4 :- Repair the connection: -
The connection settings may have to be renewed or may be misconfigured
* Click Start, click Run, type ncpa.cpl, and then click OK
* Right-click the appropriate network connection, and then click Repair.
* Test your connection.
Test your connection again and see whether you can browse the Internet. If you still cannot visit Web sites, continue to part 5
Part 5: - Repair Winsock
These issues may occur if the Winsock registry keys are damaged or corrupted.
To repair Winsock on a computer that is running Windows XP with SP2, follow these steps:
* Click Start, click Run, type netsh winsock reset, and then click OK.
* When the Command Prompt flashes, restart the computer.
If this does not resolve your problem, you need to Follow the below 2 steps
1.Delete registry subkeys. To know how to do this you click on this link – (http://support.microsoft.com/kb/310516)
2.Install TCP/IP
1. Right-click the network connection, and then click Properties.
2. Click Install.
3. Click Protocol, and then click Add.
4. Click Have Disk.
5. Type C:\Windows\inf, and then click OK.
6. On the list of available protocols, click Internet Protocol (TCP/IP), and then click OK.
7. Restart the computer.
Test your connection again and see whether you can browse the Internet. If you still cannot visit Web sites, continue to part 6.
Part 6: - Reset TCP/IP
TCP/IP may have become damaged or some configurations may have been changed. To reset TCP/IP you can click on this link http://www.zolved.com/synapse/view_content/18776/How_to_reset_TCP_IP_in_Windows_XP
Test your connection again and see whether you can browse the Internet. If you still cannot visit Web sites, continue to part 7.
Part 7: - Verify the Hosts files
You can use Hosts files to redirect Web site names to IP addresses. Some malicious software such as viruses and spyware can add entries in the Hosts files that can prevent you from browsing.
1. Click Start, point to Search, and then click For Files and Folders.
2. In the All or part of the file name box, type hosts.
3. In the Look in list, click the hard disk, and then click Search.
4. Click all the Hosts files that are found. If more than one Hosts file is found, select them all.
5. Press F2.
6. Type a new name. For example, type oldhosts, and then press ENTER.
Note the original file name. You may have to revert to the original name if this does not resolve the issue.
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