Article ID: 188572 - Last Review: January 23, 2007 - Revision: 2.1 Serial Mouse Stops Working After Changing COM Port ResourcesThis article was previously published under Q188572 If this article does not describe your hardware-related issue, please see the following Microsoft Web site to view more articles about hardware: http://support.microsoft.com/default.aspx/w98?sid=460
(http://support.microsoft.com/?scid=http%3a%2f%2fsupport.microsoft.com%2fdefault.aspx%2fw98%3fsid%3d460)
On This PageSYMPTOMS
After you change the resources for a COM port to which a serial mouse is
connected, the mouse may stop working.
You may also see an exclamation point in a yellow circle in Device Manager with the following message when you view the properties for the mouse:
This device is either not present, not working properly, or does not
have all the drivers installed. (Code 24).
CAUSE
This behavior can occur if you change the resources for a COM port to
which a serial mouse is connected to non-standard settings.
The standard resource settings for COM ports are: I/O Address IRQ ----------------- 03F8 4 02F8 3 03E8 4 02E8 3 RESOLUTION
To resolve this issue, use either of the following methods:
Method 1Remove the serial mouse and COM port in Device Manager, and then restart the computer. To do so, follow these steps:
Method 2You can resolve this issue by setting the COM port back to its original resource settings.STATUS
Microsoft has confirmed this to be a problem in the Microsoft products
listed at the beginning of this article.
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