What do the flashing LED s mean?
There are a number of sequences: (a) USB LED is red or flashing RED, indicates USB port congestion, try removing some USB devices, e.g. scanner (b) both LED s are solid Amber, the modem is POST failed, i.e. not detected or configured incorrectly. Check the driver version (c) Two solid green LED s you are sync d with the exchange (d) USB LED green, ADSL LED flashing, the modem is syncing with the exchange. (e) USB LED green, ADSL LED flashing green continually, and occasionally flashes red, you have lost sync to the exchange. First check cabling between USB modem and wall socket. Then try rebooting. If still flashing green then contact your ISP as it could be a problem at the exchange. (f) When using the connection the LEDS s will flash to indicate traffic, one LED is downstream the other is upstream, if doing fast downloads, the LED s may go out this is normal.