Windows 10: Can not detect any router signal. How to solve this issue?

Hi. I have faced a problem that my laptop can not detect any router signal. I updated my network driver but did not get any solutions. I provide a picture. This picture does not show any preferred band option. How to solve this issue windows 10?

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Signal not detecting

I am facing problem with signal strength in Lumia 800. I am using vodafone and some of my colleagues are aslo using the same network they are are having full signal but my phone is not detecting the signal and displaying NO SERVICE

Please suggest me to overcome this problem. thanks..

 

Looking for a router

USA routers require a step down converter in the EU, they also dont conform to EU regulations on wireless signals.

 

Router has incredibly low signal

Ok, I just got a Linksys WRT54G (v1.1) for free because apparently it gives a really low signal. After testing it, this is true. With my laptop sitting literally 3 feet away from the router, I'm only getting two bars of signal. (-76dBm according to Wicd) For comparison, I'm getting a full signal from my WAP54G (-44dBm), which is in the same room. I thought about loading a 3rd party firmware on it and increase the transmit power, but that doesn't address the original issue. Oh, and the wired portion of it seems to works fine.

• What could be wrong here? Stock firmware and I've already reset it. All the hardware on the PCB looks ok.
• Any fixes? Weather it be software or hardware.