Windows 10: My laptop cannot find any wifi signal.

I bought this laptop six months ago and it has been working perfectly until now. I used it this afternoon and it worked smoothly without any issue but by night when I used it I was unable to join any wifi net. Usually the laptop would be able to find at least ten of them but right now it could find none, which makes it not a problem of the router. I have been trying to fix it using the tools windows 10 offers and it firstly said that an ethereal cable was either missing or broken, thing is I don't use cable inherent but the wireless thing. When I found out how to scan for any problems regarding what was going wrong the computer said that there was nothing wrong. I'm quite worried about this as it could easily be a virus or that my computer internet thing has gotten broken, I hope it's a minor solvable thing.

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:)

 

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