[Solved] WiFi not working Mint18

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Randene
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[Solved] WiFi not working Mint18

Post by Randene » Mon Oct 24, 2016 8:06 pm

I have a HP Elitebook model #2760p with a i5 and 4Gb of memory.
I can't get the onboard WiFi network card to work.
Also, tried a USB WiFi adapter, it doesn't connect also.
The wired connection via Ethernet cable works well.
Mint 18 sees various WiFi connections including my own WiFi. When I go into to the network settings for the WiFi and input the password into security settings, it will not connect to my WiFi modem.
I am at a total loss to how to get my WiFi working.
It would be nice to use the WiFi once awhile, rather than being connected all the time by Ethernet cable.
Last edited by Randene on Tue Oct 25, 2016 4:37 pm, edited 1 time in total.

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kyphi
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Re: WiFi not working Mint18

Post by kyphi » Mon Oct 24, 2016 9:02 pm

Have you turned the Wi-Fi (WLAN) function to ON in you router?

With your USB Wi-Fi adapter plugged in, you should get an option shown to use Wireless or Wired when you left click on the Network Manager icon in the panel.

I am assuming that you are using Cinnamon.
Linux Mint 19.2 Cinnamon - 64bit

Randene
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Re: WiFi not working Mint18

Post by Randene » Mon Oct 24, 2016 9:15 pm

The WiFi is working on my phone and tablet.
WLan is turned on.
Yes I am using Cinnamon.
I think it might be an issue with a driver.
Not really sure what to do at this point.
Would like to be wireless once awhile.

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Re: WiFi not working Mint18

Post by kyphi » Mon Oct 24, 2016 11:12 pm

Most likely your phone does not require a link to your router but the tablet would (or is that the tablet component of your Elitebook?

Drivers are all part of the kernel in Linux. The only available update I could find on the Hewlett Packard site was a BIOS update.

What kind of adapter are you using? With the USB adapter plugged in, you can use the command lsusb to identify it. Does a wireless option display in the Network Manager?
Linux Mint 19.2 Cinnamon - 64bit

Randene
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Re: WiFi not working Mint18

Post by Randene » Tue Oct 25, 2016 3:16 am

The tablet I refer to previously is a HP Stream 7 running Windows 8.1 My phone has WiFi running Android O/S
Both connect with no problem to WiFi router.
I installed the USB WiFi adapter in the Elitebook.
Ran the command "lsusb" in terminal.
It recognizes it as a Realtek RTL8191SU 802.11n WLAN
adapter. I entered the password for my WiFi network.
It will not connect.
Any thoughts, ideas, etc. will be appreciated.
I am at a loss what to do.

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Pjotr
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Re: WiFi not working Mint18

Post by Pjotr » Tue Oct 25, 2016 4:37 am

1. 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.

2. Do the same with the following commands:

Code: Select all

rfkill list all
and:

Code: Select all

iwconfig
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Randene
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Re: WiFi not working Mint18

Post by Randene » Tue Oct 25, 2016 6:16 am

Here is what I came up after running the 3 commands in terminal.
What am I looking for?

ranndene1@ranndenej ~ $ inxi Fxz
CPU~Dual core Intel Core i5-2540M (-HT-MCP-) speed/max~801/3300 MHz Kernel~4.4.0-21-generic x86_64 Up~9 min Mem~442.3/3861.4MB HDD~250.1GB(4.2% used) Procs~193 Client~Shell inxi~2.2.35
ranndene1@ranndenej ~ $ rfkill list all
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
1: hp-wifi: Wireless LAN
Soft blocked: no
Hard blocked: no
2: hp-bluetooth: Bluetooth
Soft blocked: yes
Hard blocked: no
ranndene1@ranndenej ~ $ iwconfig
enp0s25 no wireless extensions.

wlo1 IEEE 802.11abgn ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=15 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off

wlx00212f308f51 unassociated Nickname:"rtl_wifi"
Mode:Managed Access Point: Not-Associated Sensitivity:0/0
Retry:off RTS thr:off Fragment thr:off
Power Management:off
Link Quality:0 Signal level:0 Noise level:0
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0

lo no wireless extensions.

ranndene1@ranndenej ~ $

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Re: WiFi not working Mint18

Post by Pjotr » Tue Oct 25, 2016 6:19 am

The first command was wrong; you forgot a dash. That's why I recommend copy/paste.... :wink:
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Randene
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Re: WiFi not working Mint18

Post by Randene » Tue Oct 25, 2016 6:57 am

Thanks for pointing out the error.
Here is what I get using the right command.

ranndene1@ranndenej ~ $ inxi -Fxz
System: Host: ranndenej Kernel: 4.4.0-21-generic x86_64 (64 bit gcc: 5.3.1)
Desktop: Cinnamon 3.0.7 (Gtk 3.18.9-1ubuntu3.1) Distro: Linux Mint 18 Sarah
Machine: System: Hewlett-Packard (portable) product: HP EliteBook 2760p v: A0005F02
Mobo: Hewlett-Packard model: 162A v: KBC Version 05.31
Bios: Hewlett-Packard v: 68SOU Ver. F.01 date: 04/18/2011
CPU: Dual core Intel Core i5-2540M (-HT-MCP-) cache: 3072 KB
flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 10376
clock speeds: max: 3300 MHz 1: 1326 MHz 2: 1312 MHz 3: 815 MHz 4: 799 MHz
Graphics: Card: Intel 2nd Generation Core Processor Family Integrated Graphics Controller bus-ID: 00:02.0
Display Server: X.Org 1.18.3 drivers: intel (unloaded: fbdev,vesa) Resolution: 1280x800@59.98hz
GLX Renderer: Mesa DRI Intel Sandybridge Mobile GLX Version: 3.0 Mesa 11.2.0 Direct Rendering: Yes
Audio: Card Intel 6 Series/C200 Series Family High Definition Audio Controller
driver: snd_hda_intel bus-ID: 00:1b.0
Sound: Advanced Linux Sound Architecture v: k4.4.0-21-generic
Network: Card-1: Intel 82579LM Gigabit Network Connection driver: e1000e v: 3.2.6-k port: 4060 bus-ID: 00:19.0
IF: enp0s25 state: up speed: 1000 Mbps duplex: full mac: <filter>
Card-2: Intel Centrino Advanced-N 6205 [Taylor Peak] driver: iwlwifi bus-ID: 24:00.0
IF: wlo1 state: down mac: <filter>
Card-3: Realtek RTL8191SU 802.11n WLAN Adapter driver: r8712u usb-ID: 002-003
IF: wlx00212f308f51 state: N/A mac: N/A
Drives: HDD Total Size: 250.1GB (4.2% used) ID-1: /dev/sda model: Samsung_SSD_750 size: 250.1GB
Partition: ID-1: / size: 226G used: 6.1G (3%) fs: ext4 dev: /dev/sda1
ID-2: swap-1 size: 4.20GB used: 0.00GB (0%) fs: swap dev: /dev/sda5
RAID: No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors: System Temperatures: cpu: 46.0C mobo: 0.0C
Fan Speeds (in rpm): cpu: N/A
Info: Processes: 195 Uptime: 1:08 Memory: 746.7/3861.4MB Init: systemd runlevel: 5 Gcc sys: 5.4.0
Client: Shell (bash 4.3.421) inxi: 2.2.35
ranndene1@ranndenej ~ $

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Pjotr
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Re: WiFi not working Mint18

Post by Pjotr » Tue Oct 25, 2016 8:21 am

OK, first of all, you have two wireless chipsets, one from Intel and one from Realtek:

Code: Select all

Card-2: Intel Centrino Advanced-N 6205 [Taylor Peak] driver: iwlwifi bus-ID: 24:00.0
IF: wlo1 state: down mac: <filter>
Card-3: Realtek RTL8191SU 802.11n WLAN Adapter driver: r8712u usb-ID: 002-003
IF: wlx00212f308f51 state: N/A mac: N/A
So: why two, and is connection impossible with both?
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Randene
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Re: WiFi not working Mint18

Post by Randene » Tue Oct 25, 2016 11:24 am

I tried connecting using the Intel wireless chipset at first which is connected internally on the motherboard.
Which wouldn't connect after numerous tries.
Tried the Realtek USB WiFi stick by itself with Intel wireless turned off. Still no connection to WiFi
Both see a lot of WiFi networks. Most important they will not connect to my wireless router.
Might be a bios issue or driver issue?
The Elitebook originally ran Windows 7 Pro.
When I bought the Elitebook at crown assets it didn't have a SSD drive. Bought a brand new SSD drive and installed it.

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Re: WiFi not working Mint18

Post by Randene » Tue Oct 25, 2016 2:26 pm

Update information:

Linux* Support for Intel® Wireless Adapters
Last Reviewed: 03-Oct-2016
Article ID: 000005511
Linux* drivers
The Linux drivers are part of the upstream Linux* kernel and are available through the regular channels, distributions, or the Linux* kernel archives. Intel supports use of the drivers only in the kernel version the driver was a part of.

The Centrino Advanced-N 6205 is only supported in
Linux Kernel 3.2 Linux Mint 18 uses
Kernel 4.4.0-21-generic x86-64

If I am reading the above right my WiFi card is not supported by the latest kernel used by Linux Mint 18 only in Kernel 3.2
Am I correct?

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Re: WiFi not working Mint18

Post by Pjotr » Tue Oct 25, 2016 3:25 pm

That support info only points at the oldest kernel version that contains the driver for your card. Generally, drivers for old hardware are kept for an extremely long time in newer versions of the Linux kernel, so no worries. :)

Try if an even newer kernel helps. Update Manager - panel: View - Linux kernels. Install the latest kernel from the 4.4 series. Then reboot.

Finally, try to connect with the internal Intel wifi chipset.
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Randene
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Re: WiFi not working Mint18

Post by Randene » Tue Oct 25, 2016 4:32 pm

WiFi now works after updating kernel to latest version.
Thank-you for the help.

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