Can not Get Retropie to connect to wifi

[PiUser239043]

I've been working on a RetroPie installation on my raspberry pi 4, and I can not get it to connect to wifi. I know the wifi on my pi is working because I've been able to use it on other SD cards I've made using Raspbian. The steps to setup wifi are a bit confusing.

If I go to WiFi settings under RetroPie config screen, I do not see the SSID of my wireless network. If I then go to Raspi-config though the RetroPie configuration menu and set the WiFi county to USA, I get a one shot attempt at seeing the SSID of my network. What is strange is that I see multiple occurrences of the same SSID. If I select the SSID and give it the password, it attempts to connect but never does.

What are the steps here? Do I need to mess with raspy-config? Why does this seem to be so difficult?

[mitu]

@PiUser239043 said in Can not Get Retropie to connect to wifi:

The steps to setup wifi are a bit confusing.

The steps are pretty straightforward - what you may find confusing is why it doesn't work.

Can you please add more details about your setup, as detailed in https://retropie.org.uk/forum/topic/3/read-this-first ?

Are you using a 2.4Ghz and/or 5Ghz Wi-Fi network ? If both, do they have the same SSID ? What does rfkill list all show up, when you run it from the command line ?

[Chupachups]

NB: solved now: i can't connect with my 4 rpi4 to wifi; i have changed the wifi SSID name from "xxxx-yyyy" to "xxxxyyyy" and now i can connect with all my RPI4 with retropie!!!! after 6 month!!!! sich

[PiUser239043]

@mitu said in Can not Get Retropie to connect to wifi:

https://retropie.org.uk/forum/topic/3/read-this-first

I finally got this to work although the steps are not straightforward. There is a lot of talk on YouTube about how to configure RetroPie for PI 3 for wifi, but nothing on a PI 4 RetroPie wifi setup (I've even seen on this forum that others have had the issue). I hope this helps others who have stumbled upon this. First some details:

I am using a PI 4 purchased as a CANAKIT PI 4 starter MAX kit (Complete with PS)
RetroPie is retropie-buster-4.6-rpi4.img (downloaded from this site)
Using US DELL 101 Keyboard, USB optical mouse, and Logitech Gamepad F310 USB controller

RetroPie image flashed on SD card using balenaEtcher 1.5.89 (from a Mac mini)
Tied to follow install guide here: https://retropie.org.uk/docs/First-Installation/

On Section WIFI Connect to WiFi Network step shows no WiFI SSIDs available (even though they are)
If I follow guide here https://retropie.org.uk/docs/Wifi/ and enter SSID and network key, It wouldn't connect either (seems like raspi-config and RetroPie wifi setups fight with each other, why?)

WHAT FIXED THE ISSUE

Using Config editor though RetroPie, edit /etc/network/interfaces file and include the following:

auto lo

iface lo inet loopback
iface eth0 inet dhcp

allow-hotplug wlan0
auto wlan0
iface wlan0 inet dhcp
wpa-ssid "NETWORK_NAME" <== replace with your network name (i.e, SSID)
wpa-psk "NETWORK_PASSWORD" <== your network password

save file and REBOOT your PI. When I went back to RetroPie and looked at IP config it showed that it was connected and it received an IP though DHCP.

I hope this helps others that I have seen out there with this issue on this forum and other forums. NOTE: This is mentioned in the RetroPie installing guide I linked above albeit about 2/3 the way though the guide.

[Chupachups]

Thanks.

Change name of ssid was not solution.
I'm in Italy . I can connect (with WPA2-PSK) only the first time after install of retropie 4.6 on my rpi4.
After a reboot i can't connect.

With your hint i can reconnect. Finally.

NB: I see a log on startup with "FAILED to start dhcpcp on all interface" and statup is sometime slow than before (for counting time of something), but wifi works fine.
Thank you very much, PiUser239043

[pie_eater]

@piuser239043 thanks this corrected my problem!

[roberts126]

Not to resurrect a dead post, but this was the first helpful result in a quick search so I'd imagine others would kand here as well.

For me the issues was the keyboard mapping. I didn't realize it was off until I went to manually edit a /etc/network/interfaces.d/99-wifi file to add the lines referenced above. Vi was acting weird because of the mapping being off.

tl;dr make sure all of the localisation settings are configured prior to doing the wifi setup.