UTStarcom UT-300R2U User Manual page 29

USB Software Setup
4
Note:
The software setup process for all supported operating
systems is described in this section with operating system
specific differences noted. The USB ADSL Modem should be
connected to your PC prior to installing the software. No other
Windows programs should be running on your PC during the
software install process.
Before installing driver program, you must confirm ADSL
MODEM has been connected to computer via USB slot; Once
the PC powers up, a new device will be will be detected by
Windows .the computer will give a message finding new
hardware. Below picture will be shown