Raspberry Pi
Error Codes
Broken Packages / Unmet Dependencies
Raspberry Pi
Single-Board Computer
Broken packages means some installed software has unmet dependencies — files it …
GPIO Permission Denied
Raspberry Pi
Single-Board Computer
Permission Denied when accessing GPIO means your user does not have the required …
Kernel panic - not syncing
Raspberry Pi
Single-Board Computer
Kernel panic means the Linux kernel encountered a fatal error and cannot …
No Wireless Interfaces Found
Raspberry Pi
Single-Board Computer
No Wireless Interfaces Found means the Pi's WiFi hardware is not detected by the …
Rainbow Screen (No Boot)
Raspberry Pi
Single-Board Computer
The rainbow screen (a square of colours in the top-left corner) means the GPU …
SSH Connection Refused
Raspberry Pi
Single-Board Computer
Connection refused means the SSH server is not running on the Pi, or SSH is …
Under-voltage Warning (Lightning Bolt)
Raspberry Pi
Single-Board Computer
The lightning bolt icon (or yellow warning triangle) means the Pi is not getting …