Edimax WiFi sometimes not working with RPi2

Williamhawk
Posty: 15
Rejestracja: 26 paź 2017, o 11:21

Edimax WiFi sometimes not working with RPi2

Post autor: Williamhawk » 1 lis 2017, o 13:32

Hi all,

I use a freshly installed Volumio (based on Debian) instance on a Raspberry Pi 2 equipped with an Edimax EW-7811Un USB device to get WiFi. Power is supplied from a HifiBerry AMP+ sound card connected to the Pi. The WiFi signal is very strong.

About 50% of the times I cold boot my Pi the WiFi connects and Volumio starts working as it should. However, the rest of the times it seems like the Pi can't find the USB device and there's no network connectivity. If I use Ethernet cable I can see in the Volumio UI that the WiFi seems inactivated.

What can I do to troubleshoot this? Maybe I can activate some logging features to get detailed error messages or some other indication of what is wrong?





I didn't find the right solution from the internet.
References:
https://raspberrypi.stackexchange.com/q ... -with-rpi2

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