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Author Topic: How to scan for WiFi (SOLVED)  (Read 585 times)

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Offline Lin_Noob

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How to scan for WiFi (SOLVED)
« on: May 26, 2019, 03:15:59 pm »
Hello, Iím brand new to Linux and need to know how to scan for WiFi, when I pull up network connections I donít see an option to look for WiFi?
Iím learning on my own but itíd be nice to have WiFi to help me learn. Iíve googled extensively and Iím not sure what I should do.
« Last Edit: June 03, 2019, 09:06:46 am by PCNetSpec, Reason: Marked as (SOLVED) »

Offline PCNetSpec

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Re: How to scan for WiFi
« Reply #1 on: May 26, 2019, 03:20:58 pm »
Open a terminal and post the output from these 3 commands
Code: [Select]
iwlist scan
and
Code: [Select]
rfkill list
and
Code: [Select]
lshw -C network
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Offline Lin_Noob

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Re: How to scan for WiFi
« Reply #2 on: May 26, 2019, 03:27:25 pm »
Iíve tried that and it tells me
eno1 Interface doesnít support scanning.

lo Interface doesnít support scanning

:(

Offline PCNetSpec

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Re: How to scan for WiFi
« Reply #3 on: May 26, 2019, 03:30:54 pm »
And the output from other two commands ?

because it doesn't look like your wireless card is being recognised.
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Offline Lin_Noob

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Re: How to scan for WiFi
« Reply #4 on: May 26, 2019, 03:33:57 pm »
rfkill list
   hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no

iwconfig
eno1    No wireless extension
lo         No wireless extension


Offline Lin_Noob

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Re: How to scan for WiFi
« Reply #5 on: May 26, 2019, 03:36:54 pm »
Network controller is a Realtek Device d723

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Re: How to scan for WiFi
« Reply #6 on: May 26, 2019, 03:57:02 pm »
Update: I installed the drivers I needed but to enable them it had me crest a password, I have no idea where to enter said password

Offline PCNetSpec

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Re: How to scan for WiFi
« Reply #7 on: May 26, 2019, 04:15:15 pm »
You'll have to explain that a little better .. where did you get these drivers ?
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Offline Lin_Noob

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Re: How to scan for WiFi
« Reply #8 on: May 26, 2019, 06:34:35 pm »
I followed these steps
https://askubuntu.com/questions/983251/realtek-semiconductor-rtl8723de-device-d723-issue
And it said I would need to set a password to enter upon reboot. Nothing happened when I rebooted...

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Re: How to scan for WiFi
« Reply #9 on: May 26, 2019, 06:37:33 pm »
I have the driver, I have no idea how to activate it.

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Re: How to scan for WiFi
« Reply #10 on: May 26, 2019, 06:52:34 pm »
Okay I have followed these steps and the module is installed
http://ubuntuhandbook.org/index.php/2019/04/nstall-rtl8723de-wifi-driver-ubuntu-19-04/
But my WiFi still does not work, so I try to load the module using
sudo modprobe -r rtl8723de && Sufi modprobe rtl8723de

When I try that I get the message
ERROR: could not insert rtl8723de : Operation not performed

Offline PCNetSpec

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Re: How to scan for WiFi
« Reply #11 on: May 27, 2019, 02:06:31 pm »
You're not helping yourself here

a) you're not answering questions asked
and
b) you're not being very descriptive .. I mean you say you followed those instructions, but which ones (there's more than one) ?

And where did you get
Code: [Select]
sudo modprobe -r rtl8723de && Sufi modprobe rtl8723de
from ?

When posting commands and output can you also be careful to post them EXACTLY as entered
Code: [Select]
sudo modprobe -r rtl8723de && Sufi modprobe rtl8723de
should have just errored out because it should probably be
Code: [Select]
sudo modprobe -r rtl8723de && sudo modprobe rtl8723de
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Offline Lin_Noob

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Re: How to scan for WiFi
« Reply #12 on: May 28, 2019, 01:49:51 pm »
Sorry, I've been posting from my phone until now. Let me restart. The drivers for my Wifi card are not installed by default. I found them on this Github and downloaded all of them. https://github.com/lwfinger/rtlwifi_new
Then I installed the one for my specific device, rtl8723, my wifi is still not able to scan however. I did install the file rtl8723de, I see now that there are several other rtl8723de files in that repository. Any Idea on finding out which one I should install? I see an 8723ae, 8723com, and 8723be in there as well. Once I have the right driver installed should my Wifi begin to scan after reboot?

Offline PCNetSpec

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Re: How to scan for WiFi
« Reply #13 on: May 28, 2019, 02:03:48 pm »
What's the output from
Code: [Select]
sudo lshw -C network
and if it's a USB wireless adapter
Code: [Select]
lsusb
and if not USB
Code: [Select]
lspci -vnn | grep -i net
WARNING: You are logged into reality as 'root' .. logging in as 'insane' is the only safe option.

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Offline Lin_Noob

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Re: How to scan for WiFi
« Reply #14 on: May 29, 2019, 07:19:28 pm »
pep@pep-HP-Laptop-17-bs0xx ~ $ sudo lshw -C network
[sudo] password for pep:
  *-network                 
       description: Ethernet interface
       product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:01:00.0
       logical name: eno1
       version: 15
       serial: ac:e2:d3:04:74:94
       size: 10Mbit/s
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl8168h-2_0.0.2 02/26/15 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
       resources: irq:16 ioport:4000(size=256) memory:b1104000-b1104fff memory:b1100000-b1103fff
  *-network UNCLAIMED
       description: Network controller
       product: Realtek Semiconductor Co., Ltd.
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:02:00.0
       version: 00
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress cap_list
       configuration: latency=0
       resources: ioport:3000(size=256) memory:b1000000-b100ffff
pep@pep-HP-Laptop-17-bs0xx ~ $ lspci -vnn |grep -i net
libkmod: ERROR ../libkmod/libkmod-config.c:656 kmod_config_parse: /etc/modprobe.d/rtl8723de.conf line 1: ignoring bad line starting with 'operations'
01:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15)
   Subsystem: Hewlett-Packard Company RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [103c:8339]
02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. Device [10ec:d723]

hope this helps you help me