Solved

Windows 10 USB / Serial Port Problem

Posted on 2016-08-24
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Last Modified: 2016-09-28
I use USB relay boards (manufactured by Velleman) on our bespoke retail system and they install to a virtual COM port and have worked like a charm on various pcs / with Visual Basic / VBA for some years. I have these installed in 8 premises without a problem on Windows 7 & 8.1 machines.

The latest batch of PCs we've purchased are Windows 10 of course which didn't seem like a problem but now I've found that although the serial port shows in device manager as expected, and I can control the board as before, I cannot seem to get any input from the port. Normally when I press a button on the board, a data packet is received but now there is nothing. Without looking into the driver software, is there any Windows 10 reason anyone knows of which might block such input for example?

Any thoughts most welcome, thanks.
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Question by:nigelr99
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John Hurst earned 250 total points (awarded by participants)
ID: 41768852
Serial port works fine on my home desktop machine (in and out).

1. Have you updated Windows 10 to 14393.82 to check (out today).

2. Have you asked Velleman Support for a driver? They have been good with Support for me (not this board though).
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by:bbao
bbao earned 250 total points (awarded by participants)
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it sounds like a driver compatibility issue on W10.

did you try installing the drive in W7 or W8 compatible mode? just right-click the installer and change to the right Widnows version under Properties / Compatibility.
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by:nigelr99
ID: 41771350
Thanks for the answers - will be working on suggestions today and get back with results!
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by:John Hurst
ID: 41791084
What did Velleman support say about this?
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