Noob to retropie, cannot get sound out of HDMI

[shadowbeh2]

Just got my pi yesterday (model 2 b)

installed retropie and retroarch emulators, and it emulates just fine, minus a lack of audio through hdmi.

Is this a setting I need to changer per emulator? or is this a change that can be made to the /boot/config.txt ?

if it is the later option, I am unable to save changes to that file using the “sudo nano /boot/config/txt” command. How would I enable write permissions for this file?

Thanks in advance,
Shadowbeh2

[justinbeaird]

hit f4 while in emulation station.
type
sudo nano /boot/config.txt
uncoment or add
hdmi_drive=2
then push ctrl+x to exit then type Y to save
then type
sudo reboot

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