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I recently install kali linux 2016.2 (64 bit) in my computer. Not vmware nor virture box. i installed it as dual boot with window. i connected to the wifi just fine (using right-up-corner button) before i tried to set it static ip. After doing some stuff now it can not see any network around.

ifconfig does show wlan0 and it it up too but when i type:

ip link show wlan0

it said that the state of interface is DOWN and

ifup wlan0 or ip link set wlan0 up

does not change anything

and the weird thing is i still able to scan wifi network around using terminal

iw scan wlan0

while the list of network (corner button) still blank enter image description here

enter image description here

I am sure that the wifi router is working normally.

Any help?

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    Sorry for late reply, i reinstalled the OS as the way to fix this problem. Thanks u anyway. Nice day! – H.Dinh Jan 31 '17 at 3:37
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I know this user solved the answer by reinstalling the OS... but for anyone running into this same problem, as I did, I want to provide another suggestion.

My WiFi went down exactly like this. iwconfig, ifconfig and everything all showed the interface as UP. However, iwlist wlan0 essid <network ssd> key <key> threw an error saying it couldn't set the encoding.

Also, the GUI showed that wlan0, my WiFi interface, was Unmanaged. So I looked at cat /etc/NetworkManager/NetworkManager.conf and realized there was a line saying unmanaged-devices = interface-name:wlan0.

I used VI to remove the interface from the unmanaged list, did systemctl restart NetworkManager.service && systemctl restart network-manager.service && systemctl restart wpa_supplicant.service, and it worked fine.

I could manually connect to networks using iwlist wlan0 scan then iwconfig wlan0 essid ... but the GUI worked as well.

Was happy to find this out so I didnt have to reinstall the entire system!

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I got this problem in kali linux when using in vmware,I tried this

service network-manager restart

and it solved my problem.

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As another answer said: I know this user solved the answer by reinstalling the OS... but for anyone running into this same problem, as I did, I want to provide another suggestion.

Had almost the same issue with 2018.4. when running Kali as a VM on VirtualBox. Interestingly the issue (no WiFi networks appearing) only occurred in my Kali VM. If I ran a Live Linux USB on the same computer, or after installing Kali on another test machine everything was fine with the WiFi USB dongle.

Ultimately fixed it w/ two steps (three if you count the restart):

1) ran systemctl restart NetworkManager.service && systemctl restart network-manager.service && systemctl restart wpa_supplicant.service as suggested by @TJB4rn3s

2) Then I added the following to my /etc/NetworkManager/NetworkManager.conf file, as referenced here under WiFi can scan, but not connect using NetworkManager (Debian 9 Stretch):

[device]
wifi.scan-rand-mac-address=no

3) Restarted, and could see my wireless networks and connect. Even worked over a WPA2 Enterprise connection.

It seems the random Mac address was the issue.

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