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 2.GQ Geiger Muller Counter
 Counter talking to computer?		  New Topic  Reply to Topic
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skristof

USA
2 Posts
Posted - 03/16/2016 :  16:57:07  Show Profile  Reply with Quote
The GMC300E Plus works fine by itself, but I can't get the software working. I tried the drivers from the disk and the website and I've tried the DataViewer. All I get is COM port errors. Seems like the software can't find the Geiger Counter. Is there a particular USB port to plug it into? How do I (and/or the computer) know which COM port is which USB port?
Any and all beginners level assistance will be very much appreciated.
Reply #1

skristof

USA
2 Posts
Posted - 03/17/2016 :  14:31:04  Show Profile  Reply with Quote
Really, I would appreciate some help here. I've loaded and reloaded all the software. I've turned the computer on and off. I've tried both USB ports and I keep getting that the Data Viewer can't find the GMC300E+. I could use some help figuring out how to get the counter and the computer to communicate.Do I need a different driver? Do I need to reset the software to a different COM port? It seems to want to default to COM3 all the time. But the device manager finds the device in COM4 or COM5 depending on which USB hole I plug it into. Help please!
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Reply #2

ZLM

1261 Posts
Posted - 03/25/2016 :  11:20:44  Show Profile  Reply with Quote
With Data Viewer software. Start from Windows device manager, to make sure the USB driver is working fine and there is a comport number.

See instruction:

115090 bytes
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Reply #3

EmbryRiddle

1 Posts
Posted - 03/31/2016 :  08:57:38  Show Profile  Reply with Quote
Did you figure out a solution?
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Reply #4

steve56ster

Switzerland
2 Posts
Posted - 03/17/2017 :  01:51:03  Show Profile  Reply with Quote
I have the same issue, I can't seem to get the USB driver working. Running Windows 10 32 bit.

In Device Manager, error message "This device cannot start. (Code 10); A device which does not exist was specified."
I tried manually changing COM port numbers in Device Manager to no avail.
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Reply #5

ZLM

1261 Posts
Posted - 03/19/2017 :  22:24:06  Show Profile  Reply with Quote
Loos like you installed wrong version of driver.

Remove/delete the driver you installed, reinstall the correct driver.

http://www.gqelectronicsllc.com/downloads/download.asp?DownloadID=78
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Reply #6

steve56ster

Switzerland
2 Posts
Posted - 03/29/2017 :  08:44:18  Show Profile  Reply with Quote
Thanks for that: I uninstalled and downloaded the one you suggested.
And it worked... getting counts and could download data. But only for some minutes.
Now I am getting exactly the same error as before "A device which does not exist was specified".
What could cause this? Very strange....
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