Esprimo Mobile V5515

Hi there this is my first and possibly not my only request but can anybody assist I have a fujitsu seimens esprimo mobile notebook v5515 and I've been trying to set up the wireless but the windows vista home keeps coming up with the statement adapter is not switched on which can be switched on from the front or side of the notebbook but there is no switch that I can't find yes the driver is updated and yes the device manager does recognise it and no there is no question mark beside it and the notebook states it's working properly can anybody help