Arch Linux

MarvinIT

Member

Registered: 2016-05-20

Posts: 8

Can't find any network using iw and wifi-menu

Hi everyone, I installed for the first time Arch on my HP probook after some other succesful installations on desktop computers, but I have never had to deal with wifi.

During the installation I couldn't connect to wifi, so I used an ethernet cable, but now I'd like to find out why is not working.

Using wifi-menu the output is:

Scanning for networks... failed
No networks found

I'll try to include every passage in the wiki with the relative output:

$ iw dev
phy#0
	Interface wlo1
		ifindex 3
		wdev 0x1
		addr 2c:33:7a:80:34:3b
		type managed

$ iw dev wlo1 link
Not connected.

$ sudo ip link set wlo1 up

$ ip link show wlo1
3: wlo1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN mode DEFAULT group default qlen 1000
    link/ether 2c:33:7a:80:34:3b brd ff:ff:ff:ff:ff:ff

Scanning for networks... failed
No networks found

and

$iw dev wlo1 scan

doesn't return anything.

What else do you need to help me troubleshooting?

Thanks for the help.

ewaller

Administrator

From: Pasadena, CA

Registered: 2009-07-13

Posts: 19,774

Re: Can't find any network using iw and wifi-menu

Some devices  have some unique personalities.  What hardware have you?  Post the output of lspci -nn
Also, have you checked that the output of rfkill list  to see if you are hard or soft blocked?
(rfkill is provided by core/rfkill)

Last edited by ewaller (2016-05-21 14:52:07)

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MarvinIT

Member

Registered: 2016-05-20

Posts: 8

Re: Can't find any network using iw and wifi-menu

$ lspci -nn
00:00.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 30h-3fh) Processor Root Complex [1022:1422]
00:00.2 IOMMU [0806]: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 30h-3fh) I/O Memory Management Unit [1022:1423]
00:01.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Kaveri [Radeon R6 Graphics] [1002:130a]
00:01.1 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI] Kaveri HDMI/DP Audio Controller [1002:1308]
00:02.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1424]
00:02.1 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:1425]
00:03.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1424]
00:03.1 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 30h-3fh) Processor Root Port [1022:1426]
00:03.2 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 30h-3fh) Processor Root Port [1022:1426]
00:03.4 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 30h-3fh) Processor Root Port [1022:1426]
00:04.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1424]
00:10.0 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD] FCH USB XHCI Controller [1022:7814] (rev 09)
00:11.0 SATA controller [0106]: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] [1022:7801] (rev 40)
00:12.0 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller [1022:7807] (rev 11)
00:12.2 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller [1022:7808] (rev 11)
00:13.0 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller [1022:7807] (rev 11)
00:13.2 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller [1022:7808] (rev 11)
00:14.0 SMBus [0c05]: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller [1022:780b] (rev 16)
00:14.2 Audio device [0403]: Advanced Micro Devices, Inc. [AMD] FCH Azalia Controller [1022:780d] (rev 01)
00:14.3 ISA bridge [0601]: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge [1022:780e] (rev 11)
00:14.4 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] FCH PCI Bridge [1022:780f] (rev 40)
00:14.5 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller [1022:7809] (rev 11)
00:18.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 30h-3fh) Processor Function 0 [1022:141a]
00:18.1 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 30h-3fh) Processor Function 1 [1022:141b]
00:18.2 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 30h-3fh) Processor Function 2 [1022:141c]
00:18.3 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 30h-3fh) Processor Function 3 [1022:141d]
00:18.4 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 30h-3fh) Processor Function 4 [1022:141e]
00:18.5 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Family 15h (Models 30h-3fh) Processor Function 5 [1022:141f]
01:00.0 Display controller [0380]: Advanced Micro Devices, Inc. [AMD/ATI] Topaz PRO [Radeon R5 M255] [1002:6901] (rev ff)
02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 10)
03:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter [10ec:b723]
04:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5229 PCI Express Card Reader [10ec:5229] (rev 01)

$ rfkill list
0: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: no
1: hci0: Bluetooth
	Soft blocked: no
	Hard blocked: no

ewaller

Administrator

From: Pasadena, CA

Registered: 2009-07-13

Posts: 19,774

Re: Can't find any network using iw and wifi-menu

It is my belief that should just work
You are not blocked, and the driver is (according to our wiki) supported.

Your scan command, with the '$' prompt would imply you ran that as a regular user.  If you tried that, it should have told you yo did not have the permissions to run it?
Did you run that as root?
Also, I note that the network shows as being down.  Try
sudo ip link set wlo1 up
Then try the scan.

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Nothing is too wonderful to be true, if it be consistent with the laws of nature -- Michael Faraday
Sometimes it is the people no one can imagine anything of who do the things no one can imagine. -- Alan Turing
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How to Ask Questions the Smart Way

MarvinIT

Member

Registered: 2016-05-20

Posts: 8

Re: Can't find any network using iw and wifi-menu

Yeah, I ran it as a root, I've just written here the command like that

Where can you see the network down?
If it's here:

wlo1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN mode DEFAULT group default qlen 1000
    link/ether 2c:33:7a:80:34:3b brd ff:ff:ff:ff:ff:ff

shouldn't be the <...,...,...,UP> showing that the network is up?

I found this: http://ghoshbishakh.github.io/blog/blog … be-hp.html and I'm gonna try this solution as soon as possible

ewaller

Administrator

From: Pasadena, CA

Registered: 2009-07-13

Posts: 19,774

Re: Can't find any network using iw and wifi-menu

On my system

ewaller@turing/home/ewaller[2] % sudo ip link set wlo1 down
[sudo] password for ewaller: 
ewaller@turing/home/ewaller % ip link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eno1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN mode DEFAULT group default qlen 1000
    link/ether d0:bf:9c:97:e9:4c brd ff:ff:ff:ff:ff:ff
3: wlo1: <BROADCAST,MULTICAST> mtu 1500 qdisc mq state DOWN mode DORMANT group default qlen 1000
    link/ether 34:e6:ad:17:fe:53 brd ff:ff:ff:ff:ff:ff
ewaller@turing/home/ewaller % sudo ip link set wlo1 up
ewaller@turing/home/ewaller % ip link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eno1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN mode DEFAULT group default qlen 1000
    link/ether d0:bf:9c:97:e9:4c brd ff:ff:ff:ff:ff:ff
3: wlo1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DORMANT group default qlen 1000
    link/ether 34:e6:ad:17:fe:53 brd ff:ff:ff:ff:ff:ff
ewaller@turing/home/ewaller % 

I had a link until I set it down.  Note that the state DOWN,  But, I did not have the UP inside the <> as did you
When I put it back up, the state when to UP, and I got back <,,,,,LOWER_UP>.  I'm not exactly sure what that means, but I am more interested in the state.

---

Nothing is too wonderful to be true, if it be consistent with the laws of nature -- Michael Faraday
Sometimes it is the people no one can imagine anything of who do the things no one can imagine. -- Alan Turing
---
How to Ask Questions the Smart Way

MarvinIT

Member

Registered: 2016-05-20

Posts: 8

Re: Can't find any network using iw and wifi-menu

When the interface is down I get this:

wlo1: <BROADCAST,MULTICAST> mtu 1500 qdisc mq state DOWN mode DEFAULT group default qlen 1000
    link/ether 2c:33:7a:80:34:3b brd ff:ff:ff:ff:ff:ff

Head_on_a_Stick

Member

From: London

Registered: 2014-02-20

Posts: 7,732

Website

Re: Can't find any network using iw and wifi-menu

https://wiki.archlinux.org/index.php/Wi … Frtl8723be

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Are you infected with Wetiko?

MarvinIT

Member

Registered: 2016-05-20

Posts: 8

Re: Can't find any network using iw and wifi-menu

https://wiki.archlinux.org/index.php/Wi … Frtl8723be

I saw that, but the fix didn't work.

nachopro

Member

Registered: 2013-08-23

Posts: 78

Re: Can't find any network using iw and wifi-menu

Hi! I have the some problem- Can you fixed? Thanks!