I just picked up a new Raspberry Pi 4 to play with and spent some time digging around to see if I could disable the status, power and network interface LEDs since I keep the Pi in the same room that I sleep. Here are the directions if you are running a Ubuntu.
And append the following contents
# Disable the PWR LED dtparam=pwr_led_trigger=none dtparam=pwr_led_activelow=off # Disable the Activity LED dtparam=act_led_trigger=none dtparam=act_led_activelow=off # Disable ethernet port LEDs dtparam=eth_led0=4 dtparam=eth_led1=4
If you are on Raspian, edit:
Instead. After rebooting your Pi should go dark! And you’ll sleep once again in pitch black.
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