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+--- Thread: Cannot detect WiFi after installation of Lite 4.0 on an Acer Aspire 3830T (/showthread.php?tid=5631)
Cannot detect WiFi after installation of Lite 4.0 on an Acer Aspire 3830T - cxm - 10-01-2018
I installed Lite 4.0 today on an Acer Aspire TimeLine 3830T. Everything seemed fine except WiFi couldn't be detected. Did not find any helpful answers from internet either. Therefore I am hoping this forum may help me solve the issue. Your help is greatly appreciated.
Here are some information I collected.
>ifconfig -a
enp2s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.21 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 2605:a000:1110:4151::896 prefixlen 128 scopeid 0x0<global>
inet6 fe80::2ee9:696e:f159:b820 prefixlen 64 scopeid 0x20<link>
ether b8:70:f4:f3:39:37 txqueuelen 1000 (Ethernet)
RX packets 97272 bytes 82235108 (82.2 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 78691 bytes 12906341 (12.9 MB)
TX errors 0 dropped 0 overruns 0 carrier 3 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 12199 bytes 1165971 (1.1 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 12199 bytes 1165971 (1.1 MB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlp3s0: flags=4098<BROADCAST,MULTICAST> mtu 1500
ether 08:11:96:4d:04:28 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
> iwlist scanning
lo Interface doesn't support scanning.
enp2s0 Interface doesn't support scanning.
wlp3s0 Failed to read scan data : Network is down
> lspci | grep Network
03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6205 [Taylor Peak] (rev 34)
>rfkill list all
0: acer-wireless: Wireless LAN
Soft blocked: no
Hard blocked: no
1: acer-bluetooth: Bluetooth
Soft blocked: no
Hard blocked: no
2: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
3: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
In addition, the syslog shows that the wireless is being toggled on and off continuously.
Thanks!
Re: Cannot detect WiFi after installation of Lite 4.0 on an Acer Aspire 3830T - trinidad - 10-01-2018
Check your BIOS for wifi function switches mapped to a certain key to make sure it's not a keyboard recognition issue. Some go off and don't come back on when you reboot because they are not mapped.
https://askubuntu.com/questions/923687/no-wifi-intel-centrino-advanced-n-6205-missing-drivers-firmware-ubuntu-16-0
To check the Wifi interface just run: sudo iwconfig
If you need drivers look below.
https://wireless.wiki.kernel.org/en/users/Drivers/iwlwifi
TC
Re: Cannot detect WiFi after installation of Lite 4.0 on an Acer Aspire 3830T - cxm - 10-02-2018
Hi TC,
Thank you for your quick reply. My problem seems more complicated.
I came across the two threads in your reply yesterday. Already changed the keyboard layout from Generic US-105 to Acer laptop. Now only Fn + F3 can toggle wlan and bluetooth; before F2 and F4 could also toggle wlan and bluetooth. There doesn't seem any wireless switch in the Bios setting. I also tried disabling bluetooth.
Wireless is still not working. I am still puzzled.
cxm
Re: Cannot detect WiFi after installation of Lite 4.0 on an Acer Aspire 3830T - Valtam - 10-02-2018
Looks like a flakey, unreliable chipset in Linux. You could opt for a $10 linux compat. USB from ebay or read through the following:
https://ubuntuforums.org/showthread.php?t=2175375
https://ubuntuforums.org/showthread.php?t=2384476
https://forums.linuxmint.com/viewtopic.php?t=175048
Re: Cannot detect WiFi after installation of Lite 4.0 on an Acer Aspire 3830T - TheDead - 10-02-2018
Hi, pretty sure this was tried but just addign my two cents
Have you tried connecting with the wired connection than do a check for drivers... ? This usually works for me.
Cheers!
Re: Cannot detect WiFi after installation of Lite 4.0 on an Acer Aspire 3830T - cxm - 10-03-2018
(10-02-2018, 05:34 AM)Jerry link Wrote:Looks like a flakey, unreliable chipset in Linux. You could opt for a $10 linux compat. USB from ebay or read through the following:
https://ubuntuforums.org/showthread.php?t=2175375
https://ubuntuforums.org/showthread.php?t=2384476
https://forums.linuxmint.com/viewtopic.php?t=175048
Thank you for the suggestions. I haven't found a solution yet after reading the threads.
(10-02-2018, 12:36 PM)TheDead link Wrote:Hi, pretty sure this was tried but just addign my two cents
Have you tried connecting with the wired connection than do a check for drivers... ? This usually works for me.
Cheers!
I had not actually done it until you mentioned. Looks like it is correct. See below.
*-network
description: Ethernet interface
product: AR8151 v2.0 Gigabit Ethernet
vendor: Qualcomm Atheros
physical id: 0
bus info: pci@0000:02:00.0
logical name: enp2s0
version: c0
serial: b8:70:f4:f3:39:37
size: 1Gbit/s
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress vpd bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=atl1c driverversion=1.0.1.1-NAPI duplex=full ip=192.168.1.21 latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
resources: irq:35 memory:c0700000-c073ffff ioport:2000(size=128)
*-network DISABLED
description: Wireless interface
product: Centrino Advanced-N 6205 [Taylor Peak]
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlp3s0
version: 34
serial: 08:11:96:4d:04:28
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=4.15.0-36-generic firmware=18.168.6.1 latency=0 link=no multicast=yes wireless=IEEE 802.11
resources: irq:34 memory:c0600000-c0601fff
The syslog reports a loop of msg like below. I wish I knew what leads to that. Good night to you all.
[ 5752.864912] iwlwifi 0000:03:00.0: RF_KILL bit toggled to enable radio.
[ 5752.864919] iwlwifi 0000:03:00.0: reporting RF_KILL (radio enabled)
NetworkManager[922]: <info> [1538538185.3396] manager: rfkill: WiFi now enabled by radio killswitch
[ 5754.656826] iwlwifi 0000:03:00.0: RF_KILL bit toggled to disable radio.
[ 5754.656831] iwlwifi 0000:03:00.0: reporting RF_KILL (radio disabled)
NetworkManager[922]: <info> [1538538187.1314] manager: rfkill: WiFi now disabled by radio killswitch
[ 5756.448930] iwlwifi 0000:03:00.0: RF_KILL bit toggled to enable radio.
[ 5756.448937] iwlwifi 0000:03:00.0: reporting RF_KILL (radio enabled)
NetworkManager[922]: <info> [1538538188.9239] manager: rfkill: WiFi now enabled by radio killswitch
Re: Cannot detect WiFi after installation of Lite 4.0 on an Acer Aspire 3830T - TheDead - 10-03-2018
Seems the WiFi is disabled, have you tried your WiFi switch?
Maybe its just in software also when you click on the network icon at the bottom right in the taskbar.
... if I read wrong and everything works, then, uh, Cheers!
Re: Cannot detect WiFi after installation of Lite 4.0 on an Acer Aspire 3830T - cxm - 10-06-2018
Finally, I solved the problem by installing lite 3.8 64-bit. I guess the kernel for Lite 4.0 isn't compatible with the hardware of Acer Aspire 3830T.