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I have a new Raspberry Pi 4 and Sense HAT. I've installed Raspian Buster installed via SD-card and managed to boot headless with ethernet cable connected. Power is from a USB-C cable plugged into a wall outlet. So far so good.

However, as soon as I attach the Sense HAT, the machine freezes:

  • LEDs display permanent rainbow
  • green disk activity light stops
  • pi won't connect to the network

There doesn't seem to be anything in the logs, the machine just freezes.

What could this possibly be due to?

Bruce Becker
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1 Answers1

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The problem was the display resoluton. I found the solution in this github issue:

$raspi-config

7 Advanced Options

A5 Resolution

DMT Mode 4 640x480 60Hz 4:3

Since this Pi4 is booted headless, I needed to set the display resolution.

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Bruce Becker
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