Elecrow HDMI display audio output issue

Elecrow · February 5

RC050S(SKU: DIS00005R)

1. Open the config.txt configuration file: sudo nano /boot/config.txt.

2. Modify "HDMI_driver = 1" option to "HDMI_driver = 2".

3. Save and exit. Press "ctrl + x" then "y", and finally press "enter".

4. Enter the following command to restart the Raspberry Pi for the configuration file to take effect: sudo reboot.

5. Then you successfully set the sound to be output from the screen via HDMI.

RC070S(SKU: DIS78950R)

Reason 1: The config.txt file has not been modified

Solution:

Execute command:

sudo nano /boot/config.txt

Open the config.txt file in the root directory of the Micro SD card and add the following code at the end of the file, save and exit:

hdmi_force_edid_audio=1
max_usb_current=1
hdmi_force_hotplug=1
config_hdmi_boost=7
hdmi_group=2
hdmi_mode=87
hdmi_drive=2
display_rotate=0
hdmi_cvt 1024 600 60 6 0 0 0

Execute the command and restart the system:

sudo reboot

Reason 2: Turn the volume to the minimum

Solution: Press the button to increase the volume.

Knipper · February 5

Hi, I tried all this and still have no sound with my Raspberry 4B. Any other idea?

Thanks and regards, Knipper

Elecrow HDMI display audio output issue

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