A customer of ours had the same problem you are exhibiting and this was his solution...Try it and see if it works for you...
1.. Create an new folder called "Matrix Orbital v11"
2.. Download
http://www.matrixorbital.com/download/U ... er_V11.zip
3.. Save the file to the "Matrix Orbital v11" folder
4.. Double click the file "USB_Driver_V11.zip" to expand it
5.. Plug the LCD display into the USB connector and wait 20 seconds
6.. Click Start > Control Panel > System > Hardware Device Manager
7.. Click + to expand Universal Serial Bus controllers
8.. Right click "Matrix Orbital MX2xx USB Driver"
9.. Select Update Driver>Install from a list or specific location > Next
10.. Select "Don't search. I will choose the driver to install" > Next
11.. Select Have Disk
12.. Press the browse button. Go to the folder "Matrix Orbital v11" and
highlight the "ftdibus.inf" driver and press Open > OK > Next
13.. At the "Driver has not passed Windows Logo testing" press Continue
Anyway > Finish
14.. Click + to expand "Ports(Com & LPT)"
15.. Right click Matrix Orbital MX2xx USB Driver
16.. Select Update Driver > Install from a list or specific location>Next
17.. Select "Don't search. I will choose the driver to install">Next
18.. Select Have Disk
19.. Press the browse button. Go to the folder "Matrix Orbital v11" and
highlight the "ftdibus.inf" driver and press Open > OK > Next
20.. At the "Driver has not passed Windows Logo testing" press Continue
Anyway>Finish
21.. The exclamation mark should now disappear next to Matrix Orbital
MX2xx USB Driver
22.. Install LCDC - It will attempt to locate the display and fail.
23.. Go to the LCD connection menu select: Com4 (or wherever you device is located), 19200 and MX2xx in the
first 3 settings.
24.. Press the "Test display" button
25.. Select the "Text" option and press "Send selected"
26.. Now the LCD should display whatever text you send it.
P.S. Thanks Jason for your insight...