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I have dual booted my Hp Pavilion notebook Model 2015-ab277cl with ubuntu 14.04 and I have not been able to get the wifi working at all or find a wifi driver on the Ubuntu. I have tried solutions from How do I get a Realtek RTL8723BE wireless card to work? and Need help setting up WiFi on HP laptop - Ubuntu 14.04 is the OS but they are not working for me. I have been able to successfully use Ethernet though.

Output from lspci -knn | grep Net -A2 

08:00.0 Network controller [0280]: Intel Corporation Device [8086:3165] (rev 81)
    Subsystem: Intel Corporation Device [8086:4010]
09:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller [10ec:8136] (rev 0a)

uname -a 

Linux nathan-HP-Pavilion-Notebook 4.4.0-36-generic #55~14.04.1-Ubuntu SMP Fri Aug 12 11:49:30 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

dmesg | grep iwl

[   13.654418] iwlwifi 0000:08:00.0: Unsupported splx structure
[   14.167484] iwlwifi 0000:08:00.0: Direct firmware load for iwlwifi-7265D-19.ucode failed with error -2
[   14.167504] iwlwifi 0000:08:00.0: Direct firmware load for iwlwifi-7265D-18.ucode failed with error -2
[   14.167513] iwlwifi 0000:08:00.0: Direct firmware load for iwlwifi-7265D-17.ucode failed with error -2
[   14.167521] iwlwifi 0000:08:00.0: Direct firmware load for iwlwifi-7265D-16.ucode failed with error -2
[   14.192838] iwlwifi 0000:08:00.0: Direct firmware load for iwlwifi-7265D-15.ucode failed with error -2
[   14.192850] iwlwifi 0000:08:00.0: Direct firmware load for iwlwifi-7265D-14.ucode failed with error -2
[   14.192858] iwlwifi 0000:08:00.0: Direct firmware load for iwlwifi-7265D-13.ucode failed with error -2
[   14.192860] iwlwifi 0000:08:00.0: request for firmware file 'iwlwifi-7265D-13.ucode' failed.
[   14.192862] iwlwifi 0000:08:00.0: no suitable firmware found!
Community
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nj2020
  • 3

2 Answers2

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Connect your laptop to the internet using a lan cable then look in the additional drivers pane in settings (System Settings -> Software & Updates -> Additional Drivers). You can choose to use a proprietary driver for your sifi card from there.

yolo7398
  • 393
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Most likely you have a kernel that does not support this adapter.

You need to connect to internet by wire and upgrade kernel by these commands.

sudo apt-get update
sudo apt-get install linux-generic-lts-xenial linux-firmware

Reboot after you do that.

You installed a wrong firmware from my ppa.

You don't have a RTL8723BE device. So it made no sense to use solutions for it.

You need to remove it and install the firmware from Ubuntu repositories. Run

sudo apt-get install ppa-purge
sudo ppa-purge ppa:hanipouspilot/rtlwifi
sudo apt-get install --reinstall linux-firmware

That should install the correct firmware version, and Wi-Fi will work.

Pilot6
  • 92,041