Wifi not working.

Questions about WIFI networks and devices
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Bee999
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Wifi not working.

Post by Bee999 » Thu Aug 15, 2019 10:51 pm

i installed Linux mint 19.2 yesterday. everything is fine except WIFI.wireless connection option is unavailable. I followed a lot of instructions online but none of them seem to work for me.
if i open driver manager something loads (updating cache) and nothing shows up after that driver manager window is blank. I have a Ethernet connection, i can acess internet at home but i need wifi at work. someone help me asap please

results after $ inxi -Nn

Network:
Device-1: Realtek RTL810xE PCI Express Fast Ethernet driver: r8169
IF: eno1 state: up speed: 100 Mbps duplex: full mac: 38:63:bb:98:eb:a6

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kc1di
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Re: Wifi not working.

Post by kc1di » Fri Aug 16, 2019 4:40 am

Without knowing your exact wireless card. It's hard to know what you need to do.
Please post the output of this command

Code: Select all

lspci | grep -i wireless
also you may find this page helpful.
https://easylinuxtipsproject.blogspot.c ... html#ID1.1
Easy tips : https://easylinuxtipsproject.blogspot.com/
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Bee999
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Re: Wifi not working.

Post by Bee999 » Fri Aug 16, 2019 6:57 am

Okay
08:00.0 Network controller: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter (rev 01)

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Re: Wifi not working.

Post by kc1di » Fri Aug 16, 2019 7:19 am

Please also post the output of

Code: Select all

rfkill list all
Easy tips : https://easylinuxtipsproject.blogspot.com/
Linux Mint Installation Guide: http://linuxmint-installation-guide.rea ... en/latest/
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Bee999
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Re: Wifi not working.

Post by Bee999 » Fri Aug 16, 2019 7:21 am

wifi option just appeared back under network settings after i plugged out my Ethernet cable and it remains there, but it still doesn't show any wifi networks. seems like its getting better. but what do i do now?

i already did rfkill list all
both soft and hard block are labeled 'no'

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kc1di
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Re: Wifi not working.

Post by kc1di » Fri Aug 16, 2019 11:34 am

try rebooting without the Ethernet connected.
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Re: Wifi not working.

Post by Spearmint2 » Fri Aug 16, 2019 11:36 am

Downgrade that old chip to the r1868 driver (mod). That will have a better chance of working with it.

Code: Select all

sudo apt install r8168-dkms
You will need to reboot after doing the above, so the mod can be added to the kernel.
Here's information about it.

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 ~ $ aptitude show r8168-dkms
Package: r8168-dkms                      
New: yes
State: installed
Automatically installed: no
Version: 8.041.00-1
Priority: extra
Section: universe/kernel
Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
Architecture: all
Uncompressed Size: 1,109 k
Depends: dkms (>= 2.1.0.0)
Description: dkms source for the r8168 network driver
 r8168 is the Linux device driver released for RealTek RTL8111B/RTL8168B, RTL8111/RTL8168, RTL8111C/RTL8111CP/RTL8111D(L),
 RTL8168C/RTL8111DP/RTL8111E, RTL8168E/RTL8111F/RTL8411, RTL8111G/RTL8111GUS/RTL8411B(N), RTL8118AS Gigabit Ethernet controllers with PCI-Express
 interface. 
 
 This driver should only be used for devices not yet supported by the in-kernel driver r8169. Please see the README.Debian for instructions how to
 report bugs against r8169 that made it necessary to use r8168-dkms. 
 
 Installation of the r8168-dkms package will disable the in-kernel r8169 module. To re-enable r8169, the r8168-dkms package must be purged. 
 
 This package provides the dkms source code for the r8168 kernel modules. Kernel source or headers are required to compile these modules.
Homepage: https://github.com/mtorromeo/r8168
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Re: Wifi not working.

Post by Bee999 » Fri Aug 16, 2019 12:41 pm

IT WORKED!
thanks a lot :)

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Re: Wifi not working.

Post by Pjotr » Fri Aug 16, 2019 12:51 pm

Spearmint2 wrote:
Fri Aug 16, 2019 11:36 am
Downgrade that old chip to the r1868 driver (mod). That will have a better chance of working with it.

Code: Select all

sudo apt install r8168-dkms
That ethernet driver is totally unrelated to the WiFi problem of the OP....

As kc1di already implied, it's probably simply the ethernet connection acting as a kill switch for the WiFi. Which is actually a good and sane thing: you don't want two simultaneous internet connections. The solution is simple: yank out the ethernet cable and reboot.
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Re: Wifi not working.

Post by Bee999 » Fri Aug 16, 2019 1:21 pm

i thought it worked but it didn't. what happens is: wireless network turns on and shows a list of networks available(sometimes) and it suddenly stops after about one minute. wireless is on, but there are no networks available.
this problem exists even when i unplug my ethernet cable and reboot.

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Re: Wifi not working.

Post by Pjotr » Fri Aug 16, 2019 1:24 pm

Please generate an overview of your system like this:
- Launch a terminal window (this is how to launch a terminal window);
- make the terminal window full screen, to avoid chopped lines;
- Copy/paste this command into the terminal:

Code: Select all

inxi -Fxz
(if you type: the letter F is a capital letter)

Press Enter.

Copy/paste the output in your next message.

Do the same with the following four commands:

Code: Select all

rfkill list all

Code: Select all

iwconfig

Code: Select all

lsusb

Code: Select all

lspci
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Re: Wifi not working.

Post by Bee999 » Fri Aug 16, 2019 1:28 pm

inxi -Fxz

Code: Select all

System:
  Host: devendra-HP-Pavilion-13-X360-PC Kernel: 4.15.0-58-generic x86_64 
  bits: 64 compiler: gcc v: 7.4.0 Desktop: Cinnamon 4.2.3 
  Distro: Linux Mint 19.2 Tina base: Ubuntu 18.04 bionic 
Machine:
  Type: Laptop System: Hewlett-Packard product: HP Pavilion 13 X360 PC 
  v: 0976100002405F00000420180 serial: <filter> 
  Mobo: Hewlett-Packard model: 22B6 v: 89.22 serial: <filter> 
  UEFI [Legacy]: Insyde v: F.11 date: 07/17/2014 
Battery:
  ID-1: BAT0 charge: 21.2 Wh condition: 28.5/28.5 Wh (100%) 
  model: Hewlett-Packard Primary status: Discharging 
CPU:
  Topology: Dual Core model: Intel Core i3-4030U bits: 64 type: MT MCP 
  arch: Haswell rev: 1 L2 cache: 3072 KiB 
  flags: lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 15165 
  Speed: 998 MHz min/max: 800/1900 MHz Core speeds (MHz): 1: 998 2: 998 
  3: 998 4: 998 
Graphics:
  Device-1: Intel Haswell-ULT Integrated Graphics vendor: Hewlett-Packard 
  driver: i915 v: kernel bus ID: 00:02.0 
  Display: x11 server: X.Org 1.19.6 driver: modesetting unloaded: fbdev,vesa 
  resolution: 1366x768~60Hz 
  OpenGL: renderer: Mesa DRI Intel Haswell Mobile v: 4.5 Mesa 19.0.8 
  direct render: Yes 
Audio:
  Device-1: Intel Haswell-ULT HD Audio vendor: Hewlett-Packard 
  driver: snd_hda_intel v: kernel bus ID: 00:03.0 
  Device-2: Intel 8 Series HD Audio vendor: Hewlett-Packard 
  driver: snd_hda_intel v: kernel bus ID: 00:1b.0 
  Sound Server: ALSA v: k4.15.0-58-generic 
Network:
  Device-1: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter 
  vendor: Hewlett-Packard driver: ath9k v: kernel port: 5040 bus ID: 08:00.0 
  IF: wlo1 state: down mac: <filter> 
  Device-2: Realtek RTL810xE PCI Express Fast Ethernet 
  vendor: Hewlett-Packard driver: r8169 v: 2.3LK-NAPI port: 3000 
  bus ID: 09:00.0 
  IF: eno1 state: up speed: 100 Mbps duplex: full mac: <filter> 
  Device-3: Atheros type: USB driver: btusb bus ID: 2-7:9 
Drives:
  Local Storage: total: 465.76 GiB used: 18.07 GiB (3.9%) 
  ID-1: /dev/sda vendor: Toshiba model: MQ01ABF050 size: 465.76 GiB 
Partition:
  ID-1: / size: 457.45 GiB used: 18.07 GiB (3.9%) fs: ext4 dev: /dev/sda1 
Sensors:
  System Temperatures: cpu: 49.0 C mobo: N/A 
  Fan Speeds (RPM): N/A 
Info:
  Processes: 195 Uptime: 13m Memory: 3.79 GiB used: 878.6 MiB (22.6%) 
  Init: systemd runlevel: 5 Compilers: gcc: 7.4.0 Shell: bash v: 4.4.20 
  inxi: 3.0.32
rfkill list all

Code: Select all

0: phy0: Wireless LAN
	Soft blocked: yes
	Hard blocked: no
2: hci0: Bluetooth
	Soft blocked: yes
	Hard blocked: no
iwconfig

Code: Select all

wlo1      IEEE 802.11  ESSID:off/any  
          Mode:Managed  Access Point: Not-Associated   Tx-Power=off   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
          
lo        no wireless extensions.

eno1      no wireless extensions.
lsusb

Code: Select all

Bus 001 Device 002: ID 8087:8000 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 009: ID 0cf3:3121 Atheros Communications, Inc. 
Bus 002 Device 005: ID 048d:8350 Integrated Technology Express, Inc. 
Bus 002 Device 004: ID 06cb:114f Synaptics, Inc. 
Bus 002 Device 003: ID 04f2:b40e Chicony Electronics Co., Ltd HP Truevision HD camera
Bus 002 Device 002: ID 093a:2510 Pixart Imaging, Inc. Optical Mouse
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
lspci

Code: Select all

00:00.0 Host bridge: Intel Corporation Haswell-ULT DRAM Controller (rev 0b)
00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 0b)
00:03.0 Audio device: Intel Corporation Haswell-ULT HD Audio Controller (rev 0b)
00:14.0 USB controller: Intel Corporation 8 Series USB xHCI HC (rev 04)
00:16.0 Communication controller: Intel Corporation 8 Series HECI #0 (rev 04)
00:1b.0 Audio device: Intel Corporation 8 Series HD Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 1 (rev e4)
00:1c.1 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 2 (rev e4)
00:1c.2 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 3 (rev e4)
00:1c.3 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 4 (rev e4)
00:1d.0 USB controller: Intel Corporation 8 Series USB EHCI #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation 8 Series LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 8 Series SATA Controller 1 [AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation 8 Series SMBus Controller (rev 04)
02:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5227 PCI Express Card Reader (rev 01)
08:00.0 Network controller: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter (rev 01)
09:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL810xE PCI Express Fast Ethernet controller (rev 08)

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Re: Wifi not working.

Post by Pjotr » Fri Aug 16, 2019 1:34 pm

Try this:

Code: Select all

rfkill unblock all
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Re: Wifi not working.

Post by Bee999 » Fri Aug 16, 2019 1:36 pm

Pjotr wrote:
Fri Aug 16, 2019 1:34 pm
Try this:

Code: Select all

rfkill unblock all
nothing happens, no output

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Re: Wifi not working.

Post by Pjotr » Fri Aug 16, 2019 1:38 pm

Re-run:

Code: Select all

rfkill list all
.... and post its output.
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Re: Wifi not working.

Post by Bee999 » Fri Aug 16, 2019 1:40 pm

Pjotr wrote:
Fri Aug 16, 2019 1:38 pm
Re-run:

Code: Select all

rfkill list all
.... and post its output.

Code: Select all

0: phy0: Wireless LAN
	Soft blocked: yes
	Hard blocked: no
2: hci0: Bluetooth
	Soft blocked: no
	Hard blocked: no

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Re: Wifi not working.

Post by Pjotr » Fri Aug 16, 2019 1:43 pm

Still soft blocked.... strange.

Try this: disable Bluetooth and reboot.
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Re: Wifi not working.

Post by Bee999 » Fri Aug 16, 2019 2:11 pm

it worked for a while after restart, the i again turned on Bluetooth to see if that was the problem, wireless network was disconnected so i disabled bluetooth and restart.
the second time wireless was disconnected automatically after a minute even the bluetooth was disabled.

rfkill list all (now)

Code: Select all

0: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: no
2: hci0: Bluetooth
	Soft blocked: yes
	Hard blocked: no

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Re: Wifi not working.

Post by Pjotr » Fri Aug 16, 2019 2:15 pm

OK, let's try a newer kernel (and therefore newer drivers):
Update Manager - panel: View - Linux kernels
Install the latest kernel of the 5.0 series. Then reboot.
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Bee999
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Re: Wifi not working.

Post by Bee999 » Fri Aug 16, 2019 2:37 pm

installed new kernel, still nothing :(

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