Questions tagged [bootloader]
For questions pertaining to bootladers for the Raspberry Pi, their installation, configuration and troubleshooting.
111 questions
0
votes
1
answer
33
views
How can I change kernel parameters on the R-pi distribution of Ubuntu server 25.10
I'm trying to add parameters to the kernel parameters of Ubuntu 25.10 on a Raspberry Pi 3. The SD was imaged with the Raspberry Pi Imager (v2.0.3) selecting Ubuntu 25.10.
I've tried to inject boot ...
0
votes
0
answers
54
views
pi 4 unexpected behaviour
I recently bought a new raspberry pi 4 4gb ram, it's my first Raspberry Pi and when I tried connecting it to hdmi I got no signal output, i tried all the edits in the config.txt but no sign of signal ,...
1
vote
1
answer
566
views
How to install Ubuntu Desktop on the NVMe of a RPI 500+?
I would like to remove the factory-installed Raspberry Pi OS from my RPi 500+ and use another Linux distro. I am starting with Ubuntu, which has a build specifically for the RPi.
However I notice that ...
0
votes
0
answers
152
views
Ubuntu package `linux-raspi` cannot handle FAT32 boot partition
TLDR:
The Raspberry Pi 4B requires a FAT32-formatted boot partition.
I have mounted this boot partition in /boot on my Ubuntu Base 24.04 LTS filesystem.
apt install linux-raspi attempts to create ...
1
vote
1
answer
2k
views
How can I make the Raspberry pi boot fast?
I have a koisk / HMI type scenario where I need to boot quickly into the chromium browser.
I asked the AI what I can do to speed up boot times, but all it said was disable bluetooth and uart. with:
...
1
vote
1
answer
4k
views
Can't boot Raspberry 5 from USB SSD
Like many others, I seem to have difficulties with having my Raspberry Pi 5 to boot from SSD. There are several threads out there discussing the issue, but until now, I haven't been able to find any ...
0
votes
0
answers
2k
views
RP2040 not going into BOOTSEL mode
My PC sees RP2040 as this device:
Known facts:
I use OS Windows;
I have installed Pico SDK for VS Code and arm-gcc-none-eabi without any additional settings;
I have successfully generated test *.uf2 ...
0
votes
1
answer
1k
views
Choose from SD or USB boot every time I power on the Pi 5?
So I have Raspberry Pi OS on a microSD and RecalBox on a USB thumb drive. The boot order is SD then USB. So to get into RecalBox I have to shut down the Pi, remove the microSD card, then turn it back ...
0
votes
1
answer
2k
views
How to program a RP2040 Chip (I don't have a Pico board, just the chip). I'm building my own PCB for my own needs
I have a rp2040 chip without the pico board. The usual method is to hold the BOOTSEL button, but I don't know which pins are connected to that button (well all I found is it is connected to TP6) but ...
0
votes
1
answer
139
views
raspberry pi red solid gren blink once
I have a Raspberry Pi 4 8GB everytime when I power green light blinks once and the red solid light is on. I connected to the HDMI screen and there is no output on the screen. I tried restoring the ...
1
vote
1
answer
213
views
Problem installing centos7 on raspberry pi 4b
I am trying to install centos7 on Raspberry Pi 4b+ version.
Image for rpi4 of ARM64 and ARM32 on the official website (https://www.centos.org/download/) (https://ftp.yz.yamagata-u.ac.jp/pub/linux/...
-1
votes
1
answer
1k
views
Should I upgrade my raspberry pi bootloader?
I was reading a guide on how to update some stuff on the pi, and i stumbled upon a section where its about upgrading the bootloader. It got me interested because never had i thought of doing it, and i ...
3
votes
2
answers
6k
views
Raspberry Pi's 4 no longer boot with "mmc1: Controller never released inhibit bit(s)" error
I have a problem which I can not solve.
I have a Raspberry Pi 4B with 4GB RAM. This worked until this morning without problems with a USB 3.0 stick from Transcend and with 64-bit Bullseye PiOS (...
0
votes
1
answer
71
views
unable to boot to network mode in pi4 B board when SDcard is removed
I am trying to Boot pi4 Board in Network boot without Sdcard for that i have done below steps
1 > sudo rpi-eeprom-config --edit and set as below
BOOT_ORDER=0xf21 - **Try SD first**, followed by **...
1
vote
0
answers
241
views
Where is the boot sequence documented in detail?
I'm following this tutorial on writing "bare metal" code for the Raspberry Pi 4. I've gotten the code working fine, but I'm left wondering how I could have figured any of this stuff out for ...