Network Controller Driver Lenovo Thinkpad E440 Wireless

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Network Controller Driver Lenovo Thinkpad E440 Wireless Laptop
Lenovo Thinkpad Wireless Network Driver
Network Controller Driver Lenovo Thinkpad E440 Wireless Drivers

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This package installs the software (Bluetooth driver and utility) to enable the. Intel(R) Wireless Bluetooth(R) 4.0 + HS Adapter Device name in the Device. Accessories Lookup Accessories Store Partner Network Lenovo Solution Center. For Windows 10 (64-bit), 8.1 (64-bit) - ThinkPad Edge E440, Edge E540.
This package installs the software (Realtek Giga LAN Driver) to enable the following. Realtek PCIe GBE Family Controller. ThinkPad Edge E440, Edge E540.

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We just bought a Lenovo ThinkPad E570 (which is supposed to have the Intel 8265 for wireless). This laptop was bought in part because it is certified to run Ubuntu and as such to me at least it would make sense for things to work out of the box... but no such luck.

First, I installed Ubuntu 17.10 and after installation realised Wi-Fi was not working. I also tried Ubuntu 16.04 from a USB drive since that is the version of Ubuntu it is certified for, but no luck there either.

The wireless chip is not detected by lshw (or even lspci by the looks of it), ip link does not show a wireless interface, and the iwlwifi kernel module is not loaded at boot (I can load this myself using modprobe iwlwifi but this does not make Wi-Fi work). I think it is a combined Wi-Fi/Bluetooth chip, and Bluetooth does appear to work (or at least Bluetooth shows up in Gnome and rfkill list).

modinfo iwlwifi | grep 8265 shows me a file ending in -34 is supposedly loaded but only a file ending in -33 (and some other lower numbers) is present in /lib/firmware, if that helps).

I have also installed the Linux 4.14.9 kernel in an attempt to get things to work, but this did not resolve the issue either.

I just noticed that the laptop does not have an Intel wireless chip at all, but in fact has a Realtek one... which means that the specs presented on the product page of the shop I bought this laptop at were not accurate... Sigh. Same problem stands, however, just with a crappier wireless chip.

RobinJRobinJ

5 Answers

First, I would suggest that these instructions are more likely to work with Ubuntu 17.10. If you are not currently running it now, I suggest that you re-install it.

Click this link to download the driver file: https://minhaskamal.github.io/DownGit/#/home?url=https://github.com/endlessm/linux/tree/master/drivers/net/wireless/rtl8821ce

Unless you have specified otherwise in your browser, downloads go to the directory Downloads. Open a terminal and do:

Scroll down to line 152 and change the line that now reads:

To now read:

Proofread carefully, twice, and save (Ctrl+o followed by Enter) and close (Ctrl+x) the text editor.

Now do:

Your wireless should now be working.

EDIT: You have compiled the module for your currently running kernel version only. When Update Manager offers a later kernel version, known as linux-image, after the requested reboot, you must recompile:

Please retain the file and these instructions for that time.

chili555chili555

This is a follow up to stason's answer who suggests using dkms.

As far as I can tell, at the time of writing this, there is not yet a Wifi Driver for the Realtek RTL8821CE in the official Ubuntu Repositories.

Over on github there is a repository with an RTL8821CE driver aimed at kernels 4.14 and above and specifically for Arch Linux with no support provided for other Linux Distros: https://github.com/tomaspinho/rtl8821ce

(Minor note: as of February 2019 tomaspinho is sadly no longer able to maintain the driver as he no longer has access to a computer with this chipset, and so a new maintainer may be needed, but the driver still works with Ubuntu 18.04 as at that time.)

It has, however, been reported to work just fine with Ubuntu 18.04.

A temporary internet connection will be required (such as an ethernet cable, USB wifi dongle or connecting your phone with a usb cable and 'tethering' it to use your phone's Wifi)

The solution is taken directly from post #4 by Praseodym (much praise to their wisdom!): https://ubuntuforums.org/showthread.php?t=2398917 and will install a number of packages for building the wifi driver module (git, dkms, build-essential & linux-headers) and clone the rtl8821ce git repository from tomaspinho (much praise also!).

DKMS is used because it's 'a system which will automatically recompile and install a kernel module when a new kernel gets installed or updated.'

Open up a terminal and type the following lines (You can cut and paste if you prefer):

After this is completed successfully, you should reboot and find that your Wifi is working.

Lenovo

You also want to make sure SecureBoot is Disabled in the BIOS settings or it won't let you load the unsigned self-complied kernel module.

pHeLiOnpHeLiOn

Update 2018-02-27

Please note the suggested driver is for Endless OS and therefore it might break at any point. If any body has an official driver for Ubuntu it will be better.

Original Answer

This is not a new answer, would be better a comment.

So I tried to follow @chili555 answer but I kept getting errors while trying to make the module.

Errors like:

So I tried downloading a different revision (zip archive direct download link) which by the time of the original answer might be master as well. Then I was able to make the module and install following the steps provided by @chili555

ingkeviningkevin

A solution for the timer error.

I manage to make it work for my lenovo E570 with ubuntu 16.04 and here are my steps:First, I upgrade my kernel version to 4.15.4 using this guide

I believe any kernel version above 4.15.4 should work because I had to upgrade my kernel to 4.15.9 again. Note the driver needs to be reinstalled.

Then, I followed the steps mentioned in @chili555 answers

Juichung_KuoJuichung_Kuo

dkms build/install for rtl8821ce can be found here: https://github.com/tomaspinho/rtl8821ce

When you use that approach you won't need to rebuild the module each time kernel is updated.

Lenovo

I have just built it on Lenovo Idea 720s with kubuntu 18.04.

Also I suggest you edit Makefile to change the log level from 4 (info) to 3 (warnings). Otherwise you will find your /var/log/syslog filling up at a crazy speed with useless info messages from the driver.

So edit Makefile, to change:

to: