Pi 3b v1.2 wifi not working

January 7, 2023, 20:50

trav80

Anyone able to help troubleshoot why the wifi doesn't work on this pi. I've tried about everything I can find and am now resorting to discord help. Ethernet works fine.

lupine3rd

Have you run raspi-config to set the wireless country code and disable rfkill? Are you trying to run it as an AP or to connect to one? What does iwconfig show?

trav80

lo no wireless extensions. eth0 no wireless extensions.

trav80

I would like just to use wireless but it says no wireless devices.

trav80

This is network/interfaces auto lo iface lo inet loopback iface eth0 inet dhcp auto wlan0 iface wlan0 inet dhcp wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf

lupine3rd

Why did you answer my 3rd question but ignored the first and second?

trav80

This is the wpa_supplicant.conf

lupine3rd

Still ignoring that 1st question...

trav80

ctrl_interface=/var/run/wpa_supplicant ctrl_interface_group=0 update_config=1 network={ ssid="T&A" psk="password" proto=WPA key_mgmt=WPA-PSK pairwise=TKIP group=TKIP id_str="T&A" }

lupine3rd

Doesn't bode well for you <@803304320728039424>

trav80

Yes I've ran raspi-config and set the country

trav80

don't know how to disable rfkill

lupine3rd

What does ifconfig wlan0 show?

trav80

ifconfig wlan0

trav80

wlan0: error fetching interface information: Device not found

trav80

I've read that maybe its not called wlan0... but I don't see any other devices. Ifconfig -a eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.1.167 netmask 255.255.255.0 broadcast 192.168.1.255 inet6 fe80::237f:47a0:92b8:cfca prefixlen 64 scopeid 0x20<link> ether b8:27:eb💿4b:d7 txqueuelen 1000 (Ethernet) RX packets 4780 bytes 436470 (426.2 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 683 bytes 82657 (80.7 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10<host> loop txqueuelen 1000 (Local Loopback) RX packets 10 bytes 1576 (1.5 KiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 10 bytes 1576 (1.5 KiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

lupine3rd

If you see
Started Disable WiFi if county not set
At startup, that's because of rfkill and not setting the country code with raspi-config. If you don't see that, then could be a hardware issue or maybe you could try a fresh install.

trav80

how can I see that at Startup when all the text scrolls so quickly?

trav80

I've tried a couple different installs on different SD cards

trav80


trav80

sudo dmesg

lupine3rd

Yea, def looks like there's a problem with the wireless in there.

trav80

So odd, it’s a brand new pi. Not sure what I can do differently

trav80

I have 3 other pi’s without wireless issues

lupine3rd

If it's not disabled by rfkill and it's a new Pi with a base install, I'd try a fresh install. If that still doesn't work, could be hardware issue.

lupine3rd

rfkill list all

trav80

tried a fresh install and didn't work again. Threw the card in a brand new pi 4 and wifi works fine. I'm convinced it either doesn't have wifi, the hardware is broke or drivers have issues. I'm just not knowledgeable enough on the linux platform to fix it.

lupine3rd

If it's a default board and a default install of raspberry pi os, it's not a driver issue

lupine3rd

If you're sure of the hardware version, the 3B v1.2 is supposed to have wifi

lupine3rd

Unlikely...but if you're not giving the Pi enough power, that could be an issue

trav80

Ok thanks for the help, I’ll try it with a different power adapter.

trav80



lupine3rd

Since the wifi and Bluetooth are on the same chip (I think), you could try getting the Bluetooth to work and see what happens.

trav80

I found this in my search.... not sure the truth to it though... I have a 2015 model

trav80

I don't have this on my board.... the other Pis I have with wifi have this...

trav80

pretty sure that is the wireless chip/bluetooth. I'm guessing that mine doesn't have it but it was shipped in a more current box.

lupine3rd

At least you know why the wifi isn't working now. 😁