why i cant connect to wifi if i press on i cant see any wifi names on the screen?

i cant see any wifi names if i on wifi on my phone its asus zenfone2 i already try to shut off and open again my phone 2 times but its still the same i try on my other device to search wifi name but i can see it only my asus zenfone 2 cant... can you help me for this? thanx in advance

Settings>About device> Status. Is there a wifi mac address present?

Welcome to Android Central! Also, are you certain wi-fi is actually turning on? Does the onscreen switch actually toggle on?

Try wiping the cache partition: http://www.asus.com/zentalk/in/thread-9229-1-1.html