perda de conexão internet

[RPenna]

Tenho tido constante perda de sinal da internet (wireless) no meu notebook. E isso ocorre apenas no notebook porque os outros aparelhos (iphone e ipad) continuam com sinal quando isso acontece.
Grato,
Ricardo
 

translated from portuguese
internet connection loss
I have had constant loss of signal the internet (wireless) in my notebook.
And this is just the notebook because the other devices (iphone and ipad) continue to signal when this happens.
Thank you, Ricardo

Operating system:Windows 8.1 Single Language (64 bit)
System root: C:WINDOWS
Available physical memory: 3985 MB
CPU: Intel® Core i5-3230M CPU @ 2.60GHz
Drive Info:
C: 447,83 GB
D: 16,72 GB
Internet Explorer: 11.0