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"Device Conflict" Running WP DOS From Windows
DocumentID: 661923
Revision Date: 29-Feb-96 8:49:28 PM

The information in this document applies to:
WordPerfect® 6.0 for DOS

Problem

Symptoms: Error "Device conflict, these applications (Windows and WP) both tried to use the COM1 device. Only one of them may use it at a time" occurs trying to run WPDos 6.0 from Windows. Choosing WP causes the Windows mouse cursor to be inactive until Windows is restarted. Solutions: The Device Contention for COM1 has been set to "Always Warn" in the 386 Enhanced area of Control Panel. Setting this back to the default of "Idle in 2 Sec." will correct the problem.

How/Why:
With Device Contention set to "Always Warn", running a DOS application that uses the COM port in question will prompt the user to choose which program is to use the port. If you choose WordPerfect, Windows will no longer be able to control the COM port. When Contention is set to "Never Warn", any program can use the COM port whenever it wants to. Setting the Contention to "Idle for 2 Seconds" allows another program to take control of the port after it is unused for 2 seconds. Note: this number can be adjusted, however the default is 2.

Answer:

Details:


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