Device Manager Displays Error Code 15

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This article was previously published under Q189877

SYMPTOMS

When you view a device in Device Manager, an exclamation point in a yellow circle may be displayed for the device. When you view the properties of the device, the status for the device may report Code 15, indicating a resource conflict, but the Resource tab for the device may show no conflicts.

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CAUSE

This behavior can occur if there is a resource conflict between the device and a device alias.

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RESOLUTION

To resolve this issue, use either of the following methods:

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Method 1

You can safely ignore the conflict. Input/output (I/O) addresses that are assigned to a device alias can be used by new devices you add to your computer. For additional information about device aliases, please see the following article in the Microsoft Knowledge Base:

ARTICLE-ID: 180412 (http://support.microsoft.com/kb/180412/EN-US/ )
TITLE : Input/Output Addresses Are Used By Aliases in Device Manager

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Method 2

Remove the resource conflict. For information about how to troubleshoot device conflicts with Device Manager, please see the following article in the Microsoft Knowledge Base:

ARTICLE-ID: 133240 (http://support.microsoft.com/kb/133240/EN-US/ )
TITLE : Troubleshooting Device Conflicts with Device Manager

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