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 2.GQ Geiger Muller Counter
 Windows 8 compatible USB driver
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ffs

8 Posts

Posted - 01/30/2013 :  11:01:34  Show Profile  Reply with Quote
Driver posted here is kind of old...

h**p://www.prolific.com.tw/US/ShowProduct.aspx?p_id=225&pcid=41

Reply #1

ffs

8 Posts

Posted - 01/30/2013 :  12:35:05  Show Profile  Reply with Quote
Sorry, I jumped the gun, 1.7.0 doesn't work with this particular chip nor do the drivers from windows (I believe they're the same). I played around and found a fix for Windows 8. Install the driver from here even though 8 isn't supported.(GQGMCGeigerCounterUSBDriver1.5.0.) Go to the Device Manager, right click "Prolific USB-to-Serial Comm Port", click properties, and under the Driver tab, roll back the driver. Should roll back to version 3.4.25.218, date 10/7/2011 and run flawlessly.
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Reply #2

Kurt Pochert

USA
1 Posts

Posted - 04/15/2013 :  18:43:51  Show Profile  Reply with Quote
Many thanks. New to Win8. Installed latest USB drivers to no avail. Your suggestion of rolling back the driver works great!
Bought the $10 pro software and have trouble installing the download. I must use a little patients, and figure it out!

PatriotPost.US
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Reply #3

Macksparky

Ireland
7 Posts

Posted - 03/12/2014 :  16:46:27  Show Profile  Reply with Quote
FIXED
I tried the above and I confirm it works.
My original problem was USB not recognized Com Port 3 with Error 10 and a yellow triangle.

So, I had the same problem- I'm running Win 8.1 (64 bit) on an HP AMD Pavillion - With the Prolific simple (Audio cable) Serial port to USB converter.

This driver works for me - Prolific 3.4.25.218 from 10/7/2011.
I can't vouch for this site but I also found it reproduced here with instructions....
h**p://www.accustarlabs.com/Upload/File/radstar-downloads/library/Prolific-v150-Instructions.pdf
You could also Google for "Prolific 3.4.25.218"
I'm not altogether sure where I originally downloaded it from but it does work- flawlessly.
NOTES
(i) Goto devices and drivers, Pick the USB port (with yellow triangle) Right click - then properties.
Select > Hardware >properties> GENERAL > Driver > Change settings > Update driver -
let me pick the driver from a list
(ii) Choose the update driver and pick this one from the advanced driver properties window.
(iii) I did not need a re-boot, nor did I need to choose "run as administrator"
(iv) Don't forget to set the COMx,38400,n,8,1 settings to suit GQ.

***** DEVICE STATUS = this device is working properly *****

Macksparky
Dublin, Ireland
Average CPM 18-20 (Monitor 4).

Edited by - Macksparky on 03/12/2014 16:48:04
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