Why macbook sometimes does not see wifi connection?

Question

Computer networks

It often happens that when I close the MacBook, and then open it, it stops seeing my Wi-Fi router. In this case, the phone always sees. Sometimes restarting the macbook helps, sometimes it doesn't. What to do about this problem?

Answer 1

Byda would be Windows, I would say, prohibit power management to network cards, in a poppy it can be like this, I'm a trouble.