enabling wireless on Lenovo

I have a t420 running Win 7. Coincidence or not, a dog knocked it over and since then I have no WiFi.
I have checked and found no physical switch.
the wireless adapter appears to be enabled.
I am connected to an Actiontec C1000a via ethernet at the moment supplied by CenturyLink.
There doesn't seem to be any download associated with the Actiontec.

Thanks for any help!

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Since it can be broken

My cheap exit would be to add some USB WiFi stick. These run under 20 dollars and far cheaper than repair shops.

Lenovo might use some Fn+Fkey combo but as you own this I think you would know and try that key. Since that failed, your cheap fix is the USB WiFi stick.

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Thank you, I realized I had one of those ("Ralink") on an old machine. It's a trooper and I'm back on.

(Yes I had tried Fn+F5 to no effect)

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