my desktop does not find my router anymore. but the thing is my other devices e.g. laptop, mobile finds it whether my desktop

[tomtan069]

my desktop does not find my router anymore. but the thing is my other devices e.g. laptop, mobile finds it whether my desktop finds other routers except this one. What may be the cause for this and also what will be the solution?

 

[Vicky13272]

192.168.1.1 Admin for Router