Satellite P70-A-L1M WiFi indicator stays ON after upgrade to Win 8.1

Hello.
After updating to Windows 8.1 wireless indicator always stays on (red light), no matter if WiFi is actually on or off. When I press f12 key, WiFi goes to Airplane Mode, I have an apropriate message in Windows, everything is ok.
But the LED is on anyway.
In Windows 8 it worked as it should be.
All drivers are up to date.
Is there is any way to resolve it?

> {quote:title=JackyStewart wrote:}{quote}
>Does this mean that you have installed and updated every driver and Toshiba Utility as mentioned in the Win 8.1 installation instruction?
Exactly.
> Furthermore you should ensure if both BT and WLan has been disabled properly.
> Why? Because this indicator glows red also if BT or Wlan function is turned ON.
>
> Probably BT or Wlan is ON and therefore the indicator glows red.
Disabled BT separetly. After that disabled WiFi - the result is the same. Tried to disable wifi using f12 button - nothing...May be there should be some kind of BIOS support for this feauture. But there is still no BIOS update for my laptop since its release.

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