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I just installed Debian Jessie yesterday, was having issues with my multi-monitor setup and so upgraded the 3.x kernel to linux-generic-4.6. Now, for whatever reason, my iwlwifi driver has stopped working. Luckily I have a USB network card so I am not internet-less, but I can't seem to get the built in card working which is pretty frustrating.

This is the output of ip a:

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000
    link/ether fc:3f:db:8a:88:a6 brd ff:ff:ff:ff:ff:ff

and lspci -nn | grep Wireless:

03:00.0 Network controller [0280]: Intel Corporation Wireless 7265 [8086:095a] (rev 48)

I have uninstalled and reinstalled iwlwifi multiple times from the normal debian repo's as well as from backports.

Let me know if there is anything else you need.

1 Answer 1

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Install the latest driver from here

wget https://wireless.wiki.kernel.org/_media/en/users/drivers/iwlwifi-7265-ucode-16.242414.0.tgz
tar xvf iwlwifi-7265-ucode-16.242414.0.tgz
cd iwlwifi-7265-ucode-16.242414.0
cp iwlwifi-*.ucode /lib/firmware

Reboot

Unload and load driver:

rmmod iwlwifi
modprobe iwlwifi

Or you can use backports:

wget https://www.kernel.org/pub/linux/kernel/projects/backports/stable/v4.4.2/backports-4.4.2-1.tar.gz
tar xvf backports-4.4.2-1.tar.gz
cd backports-4.4.2-1
make defconfig-iwlwifi
make
sudo make install

Reboot and reload the driver.

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  • Ahh thank you! May hypno-toad bless you!
    – watzon
    Aug 12, 2016 at 19:41
  • 1
    Thank you very much!
    – dmgl
    Dec 22, 2019 at 13:58

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