Windows 3.1 Device Drivers (ddag31qh.hlp) (Table of Contents; Topic list)
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Installing Over Previous Versions
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The Windows 3.1 Setup program will automatically update any installed
printer drivers with new drivers provided with Windows 3.1. As part of this
process, Setup will replace:
 
generic printer name=driver, port
 
in the [Devices] and [PrinterPorts] sections with:
 
specific model name=new driver, port
 
Setup will not update the [DriverName, Port] section. This will be done by
the individual driver when Setup calls the DevInstall function.
 
 
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