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I have Debian Jessie installed on my laptop. I can't get my WiFi to work. In Wicd Network Manager it says there are no available wireless networks.

Running lspci gives me:

Network controller: Intel Corporation Wireless 3160 (rev 83). 

I have tried everything I found on the internet such as editing /etc/network/interfaces, installing drivers, updating, installing other things, editing more .conf files, etc. I just can't connect to WiFi. Ethernet works but sometimes I will need to use WiFi. I have Debian Jessie installed on my laptop. I can't get my WiFi to work! Anyone have any ideas how to get my WiFi working?

  • apt-get install firmware-iwlwifi from the non-free repositories. – Rui F Ribeiro Mar 2 '17 at 13:28
  • @RuiFRibeiro I have done that. – cppxor2arr Mar 2 '17 at 13:39
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According to the official website , the Intel® Dual Band Wireless-AC 3160 is supported by the kernel version 4.1 and higher.

to get the wifi install the latest kernel from backports

Edit your sources.list by adding the following line:

deb http://httpredir.debian.org/debian jessie-backports main contrib non-free

Update and search for available linux-image's :

apt update
apt-cache search linux-image

Install the latest, e,g:

apt install linux-image-4.9.0-0.bpo.1-amd64

or

apt install linux-image-4.9.0-0.bpo.1-amd64-unsigned

Reboot your system

Download the required driver:

wget https://wireless.wiki.kernel.org/_media/en/users/drivers/iwlwifi-3160-ucode-16.242414.0.tgz

Copy it to your /lib/firmware:

tar xvf iwlwifi-3160-ucode-16.242414.0.tgz
cd iwlwifi-3160-ucode-16.242414.0
cp iwlwifi-3160-ucode* /lib/firmware
modprobe iwlwifi

To solve the unmet dependencies error , run:

apt-get -t jessie-backports install linux-base

As motioned @ Rui F Ribeiro, Installing the next stable release (debian 9) should be the best solution to deal with intel driver witch depends on the most recent kernel release on debian.

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    I have not tried this. I will tell you if it works. – cppxor2arr Mar 2 '17 at 13:39
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    +1 for 4.1/backports mentioning. I would also add that if you are installing from scratch, better go directly to Stretch/Debian 9 as it will be out in a couple of days. – Rui F Ribeiro Mar 2 '17 at 13:41
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    When I try to run apt install linux-image-4.9.0-0.bpo.1-amd64 I get this: The following packages have unmet dependencies: linux-image-4.9.0-0.bpo.1-amd64 : Depends: linux-base (>= 4.3~) but 3.5 is to be installed E: Unable to correct problems, you have held broken packages. – cppxor2arr Mar 2 '17 at 13:46
  • @6EQUJ5 Right! see my edit please – GAD3R Mar 2 '17 at 13:54
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    Hmmmm apt install linux-image... should be made after installing iwlwifi. Otherwise when rebooting, it wont go up, as it did not make into initrd. I would sugest dpkg-reconfigure linux-image-4.9.0-0.bpo.1-amd64 to correct this. – Rui F Ribeiro Mar 2 '17 at 14:01

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