http://support.microsoft.com/kb/956196
General troubleshooting
This section is intended for a beginning to intermediate computer user. If these methods do not resolve your problem, you can try the methods in the "Advanced troubleshooting" section.
Note If you are using Internet Explorer 8 or Internet Explorer 9 on Windows 7, follow Method 8 before you try the remaining methods.
Method 1: See whether you can view another Web page
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Method 2: Run the Network Diagnostics tool in Internet Explorer
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Method 3: Reset the modem or the router
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Method 4: Delete your Browsing History
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Method 5: Use Internet Explorer in No Add-ons mode
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Method 6: Reset Internet Explorer configuration Settings
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If the methods in the "General troubleshooting" section did not resolve your issue, you can try to use the methods in the "Advanced troubleshooting" section. If you are not comfortable with advanced troubleshooting, you might want to ask someone for help or contact support. For information about how to contact support, please visit the following Microsoft Web site:
Back to the topAdvanced troubleshooting
Method 1: Temporarily disable the Internet security suite or firewall
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Method 2: Check whether Windows assigned you an automatic IP address
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Method 3: Test Internet Explorer by using a safe mode startup option with networking
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Method 4: Check whether a third-party service is conflicting with Internet Explorer
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Method 5: Check whether a third-party program is conflicting with Internet Explorer
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Method 6: Use Device Manager to verify that the network adapter is working correctly
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Method 7: Run System Restore
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