If you have any questions which do not appear on this list, please do not hesitate to contact us directly.

1. What operating systems does FCS Express run on?
2. What is your refund policy?
3. What is a configuration file?
4. What is a countercode?
5. What is the difference between the demo, lite and professional versions?
6. I have saved my layout as a PowerPoint presentation. Can I edit the text in the text boxes or on the plots?
7. Why are there access violations when I save and load files?
8. Why does the text on the right-most x-axis label cut off on my plot?
9. How does FCS Express implement software compensation?
10. How can I track a population in FCS Express?
11. Why do I get errors upon exiting FCS Express?
12. My computer which was running FCS Express had to be replaced. How do I reinstall FCS Express on my new machine?
13. Why does FCS Express crash immediately upon starting up?
14. Where is the configuration information for FCS Express stored?
15. How can I set up FCS Express to read data saved by an Abbott CellDyne Sapphire?
16. How can I set up FCS Express to read data saved by an Accuri C6?
17. What are the Resolution Options on the General Category of the plot formatting screen?
18. Why do my dot plots appear sparse and/or blocky?
19. Why does the compensation on my Coulter FC 500 data seem incorrect?
20. Why won't FCS Express recognize the dongle after I've inserted it in the USB port?
21. Why does my Windows 7 computer crash after installing the dongle drivers?
22. Why do I get a connection error when I try to use DDS or Publishing?
23. How much memory (RAM) can FCS Express use?
24. How can I best display my FCS 3.0 data acquired in BD FACSDiva?
25. What is Biexponential and Hyperlog?
26. What is the best way to display my FCS 3.0 data acquired in BD FACSDiva on a 4 decade log scale?
27. Why do I get the message that a data file exported from a Diva experiment is invalid?
28. Why is my Geometric Mean Always Zero?

Why won't FCS Express recognize the dongle after I've inserted it in the USB port?

1. Remove the dongle from the computer.
2. Shut down FCS Express.
3. Download the latest dongle installation program, and save it to your desktop. The dongle installation program can be found here: http://www.denovosoftware.com/download/DongleInstall.exe
4. Double-click on the downloaded dongle program to run it. The following window should appear:
    
   
    
   
5. Check the checkbox "Uninstall". The button marked "Begin Install" will change to "Begin Uninstall".
6. Press the button "Begin Uninstall". When it is complete, this window will appear:
    
   
    
   
7. Press the button "Close".
8. Double-click on the downloaded dongle program again to run it. The same window should appear as in step 4.
9. Select your dongle type:
   • If you have a green dongle, check the USB Dongle checkbox, and uncheck the others.
   • If you have a small, circular light-colored and red dongle, check the Fortress checkbox, and uncheck the others.
10. Press the button "Begin Install". When it is complete, this window will appear:
     
    
     
    
11. Press the button "Close".
12. Insert the dongle. Windows may give you messages about installing new hardware - if it does, let Windows complete the hardware installation automatically.
13. Start FCS Express, and the dongle should be recognized.