Enttec DMX USB PRO User Manual page 18

ENTTEC website:
http://www.enttec.com/dmx_usb/vcom_setup.exe
4-If item 1 & 2 have a yellow exclamation mark after installing the
driver, you will need to force a driver install. Install the driver files
by downloading the driver ZIP
http://www.enttec.com/dmx_usb/CDM_2.00.00. zip
its contents into the directory c:\VCOM.
Left-click item 1 and select "
screen shots below, the important settings have been circled in
RED.
6-If you still have the yellow exclamation marks or the items 1 & 2
18
" and follow the
Update Driver
5-If your device
manager now looks like
the one above for
section 1 & 2, the DMX
USB Pro is now
connected and
configured correctly. If
you still have problems,
please check the
software you are using.
do not appear in your device
manager,
please change/swap the USB cable
and/or the USB Port. You can also
try installing your DMX USB PRO
on another computer, to eliminate all
possible causes of the problem.
then unpack