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Old 05-18-2020, 11:31 PM   #1
Shra94
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Registered: May 2020
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Ubuntu 20LTS dual boot Laptop Dell Inspiron 5548 I can not turn on wifi and in wifi settings indicates no wifi device was found


hello please ask for your help

on Laptop Dell Inspiron 5548 I can not turn on wifi and in wifi settings indicates no wifi device was found

Ubuntu desktop 20 LTS with dual boot

Inspiron-5548:~$ lspci | grep Wireless
03:00.0 Network controller: Intel Corporation Wireless 3160 (rev 83)

Inspiron-5548:~$ iwconfig
enp2s0 no wireless extensions.

wlp3s0 IEEE 802.11 ESSID off/any
Mode:Managed Access Point: Not-Associated Tx-Power=0 dBm
Retry short limit:7 RTS thr: off Fragment thr: off
Power Management on

lo no wireless extensions.

Inspiron-5548:~$ iwlist
Usage: iwlist [interface] scanning [essid NNN] [last]
[interface] frequency
[interface] channel
[interface] bitrate
[interface] rate
[interface] encryption
[interface] keys
[interface] power
[interface] txpower
[interface] retry
[interface] ap
[interface] accesspoints
[interface] peers
[interface] event
[interface] auth
[interface] wpakeys
[interface] genie
[interface] modulation
Inspiron-5548:~$ lspci |grep Network
03:00.0 Network controller: Intel Corporation Wireless 3160 (rev 83)

Inspiron-5548:~$ lsusb
Bus 001 Device 002: ID 8087:8001 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 003: ID 1bcf:2b8a Sunplus Innovation Technology Inc. Integrated_Webcam_HD
Bus 002 Device 002: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 002 Device 004: ID 8087:07dc Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Inspiron-5548:~$ ip link sho | grep w
3: wlp3s0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000

Inspiron-5548:~$ iwconfig wlp3s0 essid XXXXX key s:XXXXXX
Error for wireless request "Set ESSID" (8B1A) :
SET failed on device wlp3s0 ; Operation not permitted.

Inspiron-5548:~$ dhclient wlp3s0
RTNETLINK answers: Operation not permitted

Inspiron-5548:~$ sudo ifconfig wlp3s0 up
[sudo] contraseña para jhzz:
Inspiron-5548:

Inspiron-5548:~$ inxi -MnNs
Machine:
Type: Portable System: Dell product: Inspiron 5548 v: A10
serial: <superuser/root required>
Mobo: Dell model: 0FFJC4 v: A00 serial: <superuser/root required>
UEFI: Dell v: A10 date: 05/28/2019
Network:
Device-1: Realtek RTL810xE PCI Express Fast Ethernet driver: r8169
IF: enp2s0 state: up speed: 100 Mbps duplex: full mac: 41:12:eb:6f:59:61
Device-2: Intel Wireless 3160 driver: iwlwifi
IF: wlp3s0 state: down mac: d0:6e:25:c0:29:92
Sensors:
System Temperatures: cpu: 50.0 C mobo: N/A
Fan Speeds (RPM): cpu: 2800

Inspiron-5548:~$ uname -a
Linux jz-Inspiron-5548 5.4.0-29-generic #33-Ubuntu SMP Wed Apr 29 14:32:27 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
Inspiron-5548:~$

root@Inspiron-5548:/home/# lshw -C network
*-network
descripción: Ethernet interface
producto: RTL810xE PCI Express Fast Ethernet controller
fabricante: Realtek Semiconductor Co., Ltd.
id físico: 0
información del bus: pci@0000:02:00.0
nombre lógico: enp2s0
versión: 07
serie: 34:17:eb:8f:60:63
tamaño: 100Mbit/s
capacidad: 100Mbit/s
anchura: 64 bits
reloj: 33MHz
capacidades: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuración: autonegotiation=on broadcast=yes driver=r8169 duplex=full firmware=rtl8106e-1_0.0.1 06/29/12 ip=192.168.0.5 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
recursos: irq:18 ioport:3000(size=256) memoria:c1200000-c1200fff memoria:c1000000-c1003fff
*-network DESACTIVADO
descripción: Interfaz inalámbrica
producto: Wireless 3160
fabricante: Intel Corporation
id físico: 0
información del bus: pci@0000:03:00.0
nombre lógico: wlp3s0
versión: 83
serie: d0:7e:35:c0:93:29
anchura: 64 bits
reloj: 33MHz
capacidades: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuración: broadcast=yes driver=iwlwifi driverversion=5.4.0-29-generic firmware=17.3216344376.0 latency=0 link=no multicast=yes wireless=IEEE 802.11
recursos: irq:50 memoria:c1100000-c1101fff
 
Old 05-19-2020, 04:22 PM   #2
uteck
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Registered: Oct 2003
Location: Elgin,IL,USA
Distribution: GalliumOS on Chrombook
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Your system is seeing wifi, wlp3s0 is using the Intel 3160 wifi driver iwlwifi.
You even tried to connect to a wifi access point and got an error in your wall of text.
Quote:
Inspiron-5548:~$ iwconfig wlp3s0 essid XXXXX key s:XXXXXX
Error for wireless request "Set ESSID" (8B1A) :
SET failed on device wlp3s0 ; Operation not permitted.

Inspiron-5548:~$ dhclient wlp3s0
RTNETLINK answers: Operation not permitted

Inspiron-5548:~$ sudo ifconfig wlp3s0 up
[sudo] contrase�a para jhzz:
Did you try putting the interface up first, then running the iwconfig command?

This link suggests changing the mode of the device if the above does not work, https://unix.stackexchange.com/quest...-not-permitted

Maybe try a text tool like wicd-cli to connect to wifi from the command line?
 
  


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