Toshiba C650 will not detect any wireless networks

  Chrisn46 22:11 06 Nov 13

My Toshiba C650 has stopped detecting any wifi networks. A yellow star appeared in the bottom right of toolbar on network stastus symbol....then it refused to recognise any wireless networks at all I've tried reinstalling the drivers for the wifi card and even replacing the wifi card cumpletely with a new one. Our other wifi enabled devices connect to our BT infinity signal with no issues. I've looked in device manager and it says the device is functioning correctly. I press FN and F8 and the wifi is shown as on. I've no idea what to do next to enable my laptop to detect any wifi signal. Any ideas or solutions would be very welcome. Thank you

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