I have VAIO VPCEA23EN with Ubuntu 12.04 32 Bit.
Bluetooth is working but not WiFi.
It says "disabled by hardware switch" even when it's enabled.
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I have seen similar behaviour with my Dell E5430. If the machine is booted with the hardware switch in the off position, then toggling it does nothing, and the wireless interface cannot be activated until the machine is rebooted with the switch in the 'on' position.
Once this is done - the hard switch works as expected - powering the wireless card up and down.