Microsoft support diagnostic tool passkey - Dell Inspiron Mini 10 Notebook

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Why can not I enter the tel Internet
Internet connection and network errors can be frustrating and confusing to a casual computer user.
However, Internet Explorer provides a diagnostics tool to help identify and even repair the most common network issues.
This tool is simple to use, organized in steps, and can help get a computer back up and running quickly.

Open Internet Explorer and click on the "Tools" button in the control bar at the top of the window. From the "Tools" menu, select "Diagnose Connection Problems."
A window will appear, displaying the start page of the diagnostics tool.
Follow the instructions to determine the cause of the connection error.
The diagnostics tool will ask a series of multiple-choice questions about the connection problem you are experiencing.
Close all programs and restart the computer.
If you continue to receive an error when attempting to connect to the Internet, check that all cables and power-supply cords for the computer, modem and/or router are properly connected. Then, run the diagnostic tool again.
Call your Internet service provider's technical support phone number if you cannot resolve the error with the diagnostics tool.
The Internet Explorer diagnostics tool cannot repair or reset malfunctioning or failing hardware like modems and routers.

windowsxp using networking expert russel diagnostics mspx
http://www.microsoft.com/windowsxp/using/networking/expert/russel_diagnostics.mspx
Support for Windows Internet Explorer 6, 7, 8, and 9
http://support.microsoft.com/ph/13418 - tab0

may be you should make a diagnostic and you can do it in a garage or you can do it by yourself if you want to do it by yourself you need some tools and you can find some good ones here: chinasinoy.com

Microsoft says:
To resolve this issue, follow these steps:

1. Start Microsoft Internet Explorer, and then visit the following Microsoft Web site: http://www.microsoft.com/genuine/diag (http://www.microsoft.com/genuine/diag)
2. Click Start Diagnostics.
   
   Note If you receive a dialog box that asks whether you want to run this file or to save this file, click Run.
   
   The WGA Diagnostic Tool analyzes the computer and then lists the reasons why you cannot validate the copy of Windows XP. The WGA Diagnostic Tool may also list some error messages.
   
   The most common problems are an invalid product key and a blocked volume license key. If the product key that is generated by the WGA Diagnostic Tool differs from the original product key, go to step 3. If this is not issue, see the "More Information" section to resolve the problem.
3. If the product key that is generated by WGA Diagnostic Tool differs from the original product key, you must change the product key back to the original product key. To change the product key, use the Windows Product Key Update Tool. To do this, visit the following Microsoft Web site: http://www.microsoft.com/genuine/selfhelp/PKUInstructions.aspx (http://www.microsoft.com/genuine/selfhelp/PKUInstructions.aspx)
4. Follow the instructions on the Web site, and then try to validate Windows XP again.

To resolve this issue, follow these steps:

1. Start Microsoft Internet Explorer, and then visit the following Microsoft Web site: http://www.microsoft.com/genuine/diag (http://www.microsoft.com/genuine/diag)
2. Click Start Diagnostics.
   
   Note If you receive a dialog box that asks whether you want to run this file or to save this file, click Run.
   
   The WGA Diagnostic Tool analyzes the computer and then lists the reasons why you cannot validate the copy of Windows XP. The WGA Diagnostic Tool may also list some error messages.
   
   The most common problems are an invalid product key and a blocked volume license key. If the product key that is generated by the WGA Diagnostic Tool differs from the original product key, go to step 3. If this is not issue, see the "More Information" section to resolve the problem.
3. If the product key that is generated by WGA Diagnostic Tool differs from the original product key, you must change the product key back to the original product key. To change the product key, use the Windows Product Key Update Tool. To do this, visit the following Microsoft Web site: http://www.microsoft.com/genuine/selfhelp/PKUInstructions.aspx (http://www.microsoft.com/genuine/selfhelp/PKUInstructions.aspx)
4. Follow the instructions on the Web site, and then try to validate Windows XP again.

The official documentation says:

If you are prompted for a passkey, enter "0000" (for added security), or choose no passkey. This mouse will not work with any other passkey.

go into control panel and add or remove programs and completely uninstall it, then restart the computer and reinstall. sometimes installs just go wrong and u gotta start over. before trying this, if office installed ANYTHING, it may have installed a diagnostic tool. try going to "start" "all programs" "Microsoft office" "microsoft office tools" then click on "microsoft office diagnostics" follow the instructions and if that doesn't work try the uninstall

Was the operating system pre-installed when you got it?
Does your computer have a Product Key on the top, side, back?
xxxxx-xxxxx-xxxxx-xxxxx
When you first install windows, microsoft will ask you to validate windows. If the Product Key or OEM number is not an original you will get that message.

Reference: http://support.microsoft.com/kb/916247

To resolve this issue, follow these steps:

1. Start Microsoft Internet Explorer, and then visit the following Microsoft Web site: http://www.microsoft.com/genuine/diag (http://www.microsoft.com/genuine/diag)
2. Click Start Diagnostics.
   
   Note If you receive a dialog box that asks whether you want to run this file or to save this file, click Run.
   
   The WGA Diagnostic Tool analyzes the computer and then lists the reasons why you cannot validate the copy of Windows XP. The WGA Diagnostic Tool may also list some error messages.
   
   The most common problems are an invalid product key and a blocked volume license key. If the product key that is generated by the WGA Diagnostic Tool differs from the original product key, go to step 3. If this is not issue, see the "More Information" section to resolve the problem.
3. If the product key that is generated by WGA Diagnostic Tool differs from the original product key, you must change the product key back to the original product key. To change the product key, use the Windows Product Key Update Tool. To do this, visit the following Microsoft Web site: http://www.microsoft.com/genuine/selfhelp/PKUInstructions.aspx (http://www.microsoft.com/genuine/selfhelp/PKUInstructions.aspx)
4. Follow the instructions on the Web site, and then try to validate Windows XP again.

That mouse doesnt require a passkey. Select no passkey while setting up. For more info
http://support.microsoft.com/kb/952818

in the start menu there would be a diagnostic tool for MS Office under microsoft office tools named Microsoft office diagnostics... use that and it will tell u what the error is....