Windows 10: My computer won't connect to a wifi that all my other devices can connect to?

I just moved to a new house and am unable to connect to my house's wifi. The network will usually not show up and when it does the icon indicates a very low signal and it will say I can;t connect to this network. I have several other devices that are in the same room right next to my computer that have no issue connecting and have all three bars show up phone, laptop, tv, ipad. I moved my computer into another room where my router is and plugged it in and tried to connect to the wifi after being familiar with the network per the advice of some other forums and was able to connect it, but whe

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Windows Lumia 930 won,t connect to the wifi.

l have windows nokia Lumia 930 and it won,t connect to wifi at home or at work

 

iPhone won,t connect win 10 Pro

 

iPhone won,t connect win 10 Pro

Yes I am using a genuine apple cable and tried your method but still having issues . The device connects and all looks fine for a few minutes then it drops connection then reconnects and repeats this behaviour so I've gave up .see attached images.



Thanks for your help , I think I'm going to get a Samsung .