System information

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4. Driver installation
Connect the USB cable to the ER75i router and to the PC. Windows detects ER75i as
a new USB modem, starts the Add Hardware wizard and requests the driver for "MC75" or
„Siemens AG WM USB Modem“. Follow the instructions of the wizard and enter the path to the
"usbmodem.inf" file. Windows will copy the needed files to your computer and configure the
modem by assigning a free COM port. After completion of copying the files click on the Finish
button.