300m broadmax 80 2.11n mini wifi adapter doesnt work on dell optiplex gx 620 on windows 7

Sep 8, 2018
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My new wireles wifi adapter doesn't work om dell optiplx gx 620 on os Windows 7
It is showing that device is not worki ng properly because Windowscannot load drivers required for this device (code31) pls help how to make it work