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Com port driver reinstall

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battmain

Instructor
Oct 11, 2002
67
US
I'm trying to find a microsoft link for a known problem with installing multiple com ports. It included deleting the registry information so that the proper com port numbers would show up after the wizard runs. This is on xp.

Basically, the com ports are showing up as com9-12 instead of 3-6.

I've been digging for a while on the MS website and can't find it. Can anyone help?
 
The device manager is only showing COM1 and LPT1. What happens is the registry has some old information and the wizard installs the ports with the next available numbers. Fixing it entails deleting the registry entry for the ports and then the wizard will properly assign the com port number when it runs again. If I were on site, I could easily do the regedit myself, but I need the article to show the customer. :)
 
battmain,
Just add the ports using add hardware and then change the irq and base through the resource tab in device manager.
 
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