Wifi is not working in acer one 14 L1410 MODEL

Question

3 days ago I purchased an Acer One 14 L1410 laptop which comes with Realtek rtl8xxxu card, I have installed ubuntu. Everything is going fine but WiFi is not working well. I have searched everywhere but nothing solved my issue. My laptop have a function key for WiFi on and off. when I restart I have to first press Fn+F3 and again press fn+F3 then WiFi connects. But after suspend its again not showing any connection.i have updated my pc and now connection is permanentaly closed

rfkill list all
0: hci:Bluetooth
     soft blocked:no
     hard blocked:no
1: Phy0:Wireless lan 
     soft blocked:no
     hard blocked:no

lsmod | grep 8xxx
rtl8xxxu  12786 0
mac721    15568 1  rtl8xxxu

lshw | grep 8xxx
configuration: driver=rtl8xxxu  driverversion=4.8.0-36-generic firmware=N/A  
 link=no multicast=YES wireless=IEEE 802.11

iwconfig
lo   no wireless extensio

lsusb
Bus  002 Device 001: ID 1d6b:0003  Linux Foundation 3.0 root hub
Bus  001 Device 003: ID 5986:065e  Acer , Inc
Bus  001 Device 002: ID 0bda:b720  Realtek Semiconductor Corp.
Bus  001 Device 001: ID 1d6b:0002  Linux Foundation 2.0 root hub

lsmod | grep rtl
 rtl8xxxu  126976    0
 mac80211  761856    1  rtl8xxxu
 btrtl     16384     1  btusb
 bluetooth 557056    33 btrtl,hci_uart,btintel,btqca,bnep,btbcm,rfcomm,btusb

 dmesg | grep rtl 


[   13.791360] Bluetooth: hci0: rtl: examining hci_ver=06 hci_rev=000b lmp_ver=06 lmp_subver=8723

[   13.791366] Bluetooth: hci0: rtl: loading rtl_bt/rtl8723b_fw.bin
[   13.958444] usb 1-4: rtl8723bu_parse_efuse: dumping efuse (0x200 bytes):
[   13.958560] usb 1-4: rtl8xxxu: Loading firmware rtlwifi/rtl8723bu_nic.bin
[   14.872471] usbcore: registered new interface driver rtl8xxxu

 dmesg | grep wlx
[   15.105720] rtl8xxxu 1-4:1.2 wlx38a28c721f20: renamed from wlan0
[   15.105720] rtl8xxxu 1-4:1.2 wlx38a28c721f20: renamed from wlan0
[   24.306380] IPv6: ADDRCONF(NETDEV_UP): wlx38a28c721f20: link is not ready
[   24.324653] IPv6: ADDRCONF(NETDEV_UP): wlx38a28c721f20: link is not ready

[   24.532712] IPv6: ADDRCONF(NETDEV_UP): wlx38a28c721f20: link is not ready

[ 1502.527895] wlx38a28c721f20: authenticate with 98:de:d0:27:46:f4

[ 1502.530422] wlx38a28c721f20: send auth to 98:de:d0:27:46:f4 (try 1/3)

[ 1502.734039] wlx38a28c721f20: send auth to 98:de:d0:27:46:f4 (try 2/3)

[ 1502.938059] wlx38a28c721f20: send auth to 98:de:d0:27:46:f4 (try 3/3)

[ 1503.142122] wlx38a28c721f20: authentication with 98:de:d0:27:46:f4 timed out

[ 1504.348097] wlx38a28c721f20: authenticate with 98:de:d0:27:46:f4

[ 1504.356574] wlx38a28c721f20: send auth to 98:de:d0:27:46:f4 (try 1/3)

[ 1504.557930] wlx38a28c721f20: send auth to 98:de:d0:27:46:f4 (try 2/3)

[ 1504.761743] wlx38a28c721f20: send auth to 98:de:d0:27:46:f4 (try 3/3)

[ 1504.966010] wlx38a28c721f20: authentication with 98:de:d0:27:46:f4 timed out

[ 1512.688944] wlx38a28c721f20: authenticate with 98:de:d0:27:46:f4

[ 1512.694231] wlx38a28c721f20: send auth to 98:de:d0:27:46:f4 (try 1/3)

[ 1512.897715] wlx38a28c721f20: send auth to 98:de:d0:27:46:f4 (try 2/3)

[ 1513.101736] wlx38a28c721f20: send auth to 98:de:d0:27:46:f4 (try 3/3)

[ 1513.305858] wlx38a28c721f20: authentication with 98:de:d0:27:46:f4 timed out

[ 1515.456885] wlx38a28c721f20: authenticate with 98:de:d0:27:46:f4

[ 1515.465607] wlx38a28c721f20: send auth to 98:de:d0:27:46:f4 (try 1/3)

[ 1515.669717] wlx38a28c721f20: send auth to 98:de:d0:27:46:f4 (try 2/3)

[ 1515.873765] wlx38a28c721f20: send auth to 98:de:d0:27:46:f4 (try 3/3)

[ 1516.077431] wlx38a28c721f20: authentication with 98:de:d0:27:46:f4 timed out

[ 1527.977833] IPv6: ADDRCONF(NETDEV_UP): wlx38a28c721f20: link is not ready

[ 1528.255462] wlx38a28c721f20: authenticate with 98:de:d0:27:46:f4

[ 1528.260375] wlx38a28c721f20: send auth to 98:de:d0:27:46:f4 (try 1/3)

[ 1528.461203] wlx38a28c721f20: send auth to 98:de:d0:27:46:f4 (try 2/3)

[ 1528.665292] wlx38a28c721f20: send auth to 98:de:d0:27:46:f4 (try 3/3)

[ 1528.868958] wlx38a28c721f20: authentication with 98:de:d0:27:46:f4 timed out

[ 1546.032087] wlx38a28c721f20: authenticate with 98:de:d0:27:46:f4

[ 1546.036677] wlx38a28c721f20: send auth to 98:de:d0:27:46:f4 (try 1/3)

[ 1546.240766] wlx38a28c721f20: send auth to 98:de:d0:27:46:f4 (try 2/3)

[ 1546.444619] wlx38a28c721f20: send auth to 98:de:d0:27:46:f4 (try 3/3)

[ 1546.648668] wlx38a28c721f20: authentication with 98:de:d0:27:46:f4 timed out

[ 1552.978952] IPv6: ADDRCONF(NETDEV_UP): wlx38a28c721f20: link is not ready

[ 1562.206598] wlx38a28c721f20: authenticate with 98:de:d0:27:46:f4

[ 1562.209287] wlx38a28c721f20: send auth to 98:de:d0:27:46:f4 (try 1/3)

[ 1562.412164] wlx38a28c721f20: send auth to 98:de:d0:27:46:f4 (try 2/3)

[ 1562.615782] wlx38a28c721f20: send auth to 98:de:d0:27:46:f4 (try 3/3)

[ 1562.819863] wlx38a28c721f20: authentication with 98:de:d0:27:46:f4 timed out

[ 1577.977091] IPv6: ADDRCONF(NETDEV_UP): wlx38a28c721f20: link is not ready

[ 1587.217967] wlx38a28c721f20: authenticate with 98:de:d0:27:46:f4

[ 1587.229397] wlx38a28c721f20: send auth to 98:de:d0:27:46:f4 (try 1/3)

[ 1587.431242] wlx38a28c721f20: send auth to 98:de:d0:27:46:f4 (try 2/3)

[ 1587.635244] wlx38a28c721f20: send auth to 98:de:d0:27:46:f4 (try 3/3)

[ 1587.839278] wlx38a28c721f20: authentication with 98:de:d0:27:46:f4 timed out

[ 1602.975590] IPv6: ADDRCONF(NETDEV_UP): wlx38a28c721f20: link is not ready

score 0 · Answer 1 · answered Jun 28 '17 at 20:15

Please open a terminal by pressing Ctrl + Alt + T and run:

gksudo gedit /etc/NetworkManager/NetworkManager.conf

Use nano or kate or leafpad if you don't have the text editor gedit. At the bottom of this file, copy and paste the following:

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

The final result will look like this

[main]
plugins=ifupdown,keyfile

[ifupdown]
managed=false

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

Proofread carefully, save and close the text editor and then run:

sudo service network-manager restart

Is there any improvement?

u628898 · Answer 2 · 2017-08-08T01:57:55.787

I have exactly the same problem as this. I have replaced the drivers with r8168-dkms_8.044.02-2_all.deb after which at least the cable ethernet works properly, but the wi-fi deactivates at every shut-down and has to be physically turned off and on again before it will connect.

Edit: After much research, I found the answer. The key was in lsusb: ID 0bda:b720. The 'b720' refers to either the rtl8723au or bu chipset.

ref: sites.google.com/site/easylinuxtipsproject/reserve-7

This machine uses the rtl8723bu chip and there is a driver by lwfinger here:

https://github.com/lwfinger/rtl8723bu

and a dkms version by James Buren can be found here:

https://launchpad.net/~ryu0/+archive/ubuntu/realtek-modules

Wifi is not working in acer one 14 L1410 MODEL

2 Answers2