Overview
Install Raspberry Pi OS
- Raspberry Pi 4 not booting
- List of OSes for Raspberry Pi
Install PXE server on Raspberry Pi 4
Install UEFI PXE server
Configuration variants
DHCP + TFTP on dnsmasq
When dnsmasq fails
The case without proxy DHCP
More about ISC DHCP Server
PXE Boot when UEFI Network not working
List of PXE error codes
Troubleshooting
Secure Boot and custom certificates
- bzImage has invalid signature
Kaspersy Rescue Disk 18
Reference
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Security Boot Fail

PreviousTroubleshooting NextTFTP server

Last updated 3 years ago

This error usually means that you should disable Secure Boot.

It happens when grub tries to load something unsigned. Before you had two options: sign it and add certificates to NVRAM or use trickster bootloader from Kaspersy Lab. But nowadays only the former has left.