Access/VBA doesn't understand ComPort data after upgrade to Win11.

Praedico

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Jul 17, 2008
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43
I have an Access DB that can (in Windows10) get data from a GPS receiver assigned to a com port.
The organization has decided to upgrade our computers to Windows 11, now Access/VBA no longer understands the data coming from the GPS receiver.
I am adding an image showing the "data" Access sees when it looks at the com port. Basically, a bunch of squares instead of the alphanumeric data that normally comes through.

Any ideas on how I can get it to understand the data again?

Thanks in advance
 

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Is that your actual output? The vbe cannot replicate certain fonts, although I think it usually represents them as question marks (can't remember exactly but they might be upside down). When Window version was updated you may have lost a driver for the port(s). I'd check to see if any drivers are listed as missing or whatever the classification is. A post here suggests getting the latest driver
 
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Is that your actual output? The vbe cannot replicate certain fonts, although I think it usually represents them as question marks (can't remember exactly but they might be upside down). When Window version was updated you may have lost a driver for the port(s). I'd check to see if any drivers are listed as missing or whatever the classification is. A post here suggests getting the latest driver
Yes, those squares in the image are what Access/VBA is interpreting from the com port. It works fine in other software, it's only broken in the Office products (I get the same result for similar code in Excel). I agree it's probably a driver issue. I'll give it to the smarter people in our organization to see if they can solve it. I'll leave this open for a bit longer to see if anyone pops on with a different insight, and/or reply to myself with the fix if/when I find one.
Thank you.
 
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Good luck! Please do post the solution if you get one.
 
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