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Questions tagged [bootloader]

For questions pertaining to bootladers for the Raspberry Pi, their installation, configuration and troubleshooting.

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Boot Order Modification on Raspberry Pi Zero 2W (USB -> SDcard)

I have an RPI Zero 2W and I have a question regarding booting (bootloader, boot order). First of all, I've set up USB booting using an SD card on the Raspberry Pi. What I want to do is to change the ...
rpirpi's user avatar
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0 answers
19 views

Can I boot up from a USB thumb drive if I have an installed NVMe SSD drive?

I have a Raspberry Pi 5 with Bookworm installed on an NVMe SSD and it boots up like a champ. I would like to try to boot up to Android so I used the Imager and installed the Emteria Android image to ...
Anton's user avatar
  • 101
0 votes
1 answer
61 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 ...
user162153's user avatar
0 votes
0 answers
49 views

Boot issue while using u-boot with Raspberry Pi 4 in 32-bit

I am trying to integrate 32bit u-boot for Raspberry Pi 4B 32bit. Below are my steps: Installed Raspbian (bookworm) 32bit on SD card using Raspberry Pi Imager. Built u-boot binary using ...
Preeti 's user avatar
  • 131
1 vote
1 answer
95 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 ...
Syed Khalid Hussain's user avatar
1 vote
1 answer
65 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 ...
Mubashir's user avatar
1 vote
1 answer
81 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/...
Yeol's user avatar
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-1 votes
1 answer
538 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 ...
DrakeJest's user avatar
2 votes
1 answer
3k 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 (...
Peter's user avatar
  • 31
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1 answer
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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 **...
abhi's user avatar
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1 vote
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75 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 ...
Jack M's user avatar
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1 vote
0 answers
204 views

How to Change Raspberry pi 3 Boot order to Network boot with SD card Inserted

In Raspberry Pi 3 board, I am able to boot from network by changing the boot order to Network Modes as below : sudo apt-get update sudo apt-get upgrade echo program_usb_boot_mode=1 | sudo tee -a /...
abhi's user avatar
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1 answer
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Help loading backup in new rpi. It does not work

I am new here and this is my first question. If it is out of place I apologize, and please move it to where it belongs. First of all I will put you in background: In my building automation and control ...
Jlopez's user avatar
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-3 votes
2 answers
412 views

How do I erase the RPI EEPROM and install one for a different OS that I coded myself?

I would like to completely erase the EEPROM and then shutdown the RaspBerry Pi 4 that I bought. When you then insert a USB-stick with your own bootloader, it should search for it and automatically ...
Emile Michel Hobo van Oranje's user avatar
0 votes
1 answer
203 views

Add secondary root partition to Raspberry Pi OS base image (dual-boot)

I want to modify the official Raspberry Pi OS lite image: https://downloads.raspberrypi.org/raspios_lite_arm64/images/raspios_lite_arm64-2023-05-03/2023-05-03-raspios-bullseye-arm64-lite.img.xz I want ...
Wolkenarchitekt's user avatar
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154 views

mmc0: error -110 whilst initialising SD on RPi4B and SD is perfectly working

SD card is working fine, it is not dead. Boot Diagnostics screen when sd card is not inserted After inserting the sd card, it reboots and this is what it shows I tried flashing the same os image on ...
BalaRohan's user avatar
-1 votes
2 answers
82 views

Raspberry Pi 3 not boots if usb camera plugged in

Raspberry Pi 3 Model B Plus Rev 1.3 Boots from usb Ultra Fit and works perfect. Except it not trying to boot if camera plugged in usb. ACT LED not flashes. If I remove cam and insert it after boot - ...
eri's user avatar
  • 107
2 votes
0 answers
156 views

how can i dump the contents of the EEProm in my Raspberry Pi 4?

I had fiddled with a few things while trying to get my Pi4 to boot from USB (its working now) and i want to make sure i didnt screw anything up. does sudo rpi-eeprom-config show the contents of the ...
Cool Pontiac's user avatar
2 votes
0 answers
148 views

RPi 3B+ & Yocto & U-Boot : free UART pins to be available for a RS232/485 HAT

I have the following hardware/software setup: Sferalabs StratoPi Base (Raspberry Pi 3B+ with a HAT for RS232/485) Distro built with Yocto and meta-raspberrypi on thud branch U-Boot SysVinit I want ...
Carton_'s user avatar
  • 21
4 votes
2 answers
12k views

Is it safe to update EEPROM to latest using rpi-eeprom-update?

Ran following and bootloader version is now 000138c0. $ sudo rpi-eeprom-update -a Asking because sudo apt update; sudo apt upgrade -y does not appear to upgrade bootloader. I am worried I upgraded to ...
sunknudsen's user avatar
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0 answers
31 views

RPI4 fails to transmit nor receive data within the Keyboard&Mouse

I am facing a critical problem with my Raspberry Pi 4 B(8GB) after using rpi-update (which installed a bugged kernel and kept on overloading the processor and the Green LED kept on lighting ...
Zorono's user avatar
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1 vote
1 answer
323 views

Boot RaspberryPi 3B/3B+/4 from SD card but have everything else on SSD

I have some Raspberries (3B/3B+/4) that I want to boot from SSD, but I also want to attach an HDD to them (the classic SSD for OS and HDD for data) The thing is that this setup has give me a lot of ...
RabidTunes's user avatar
1 vote
1 answer
2k views

How do I setup a USB drive as a boot drive on Raspberry Pi 4B?

I am somewhat new to Raspberry Pi. I would like to make the 5 TB WD My Book USB drive the boot drive with the Raspberry Pi OS FULL (32-Bit) image. If I use the Raspberry Pi Imager to configure the USB ...
Doug Kimzey's user avatar
1 vote
1 answer
5k views

RPi 4B no boot - Power OK (red LED) but no Activity (green LED)

TL;DR Note: I have already read and applied all the steps described at the Boot Problems Sticky Pi4B was working yesterday, "died" overnight. Red LED on, but no green LED "activity&...
Jim Garrison's user avatar
0 votes
1 answer
3k views

Raspi3b how to get boot from USB to work?

I have a Pi3b and an PI3b+ Also I have 2 USB Sticks with different versions of Raspian both Sticks boot on the PI3b+, none is booting from the Pi3b I followed the procedure to set the usb-boot flag (...
schnedan's user avatar
  • 121
-1 votes
1 answer
1k views

Can I have more than 32GB on the boot sd card?

My understanding is that the card reader can handle SDXC cards (ie >32GB) but that the bootloader has a limit of 32GB. Can I get around this by having multiple partitions? The OS would only need to ...
Nigel Sharp's user avatar
1 vote
1 answer
8k views

Did I busted my Pi 4? Failed to open device: 'sdcard' (cmd 371a0010 status 1fff0001)

I powered down my Pi 4 with the shutdown operation, waiting until the screen turned black, then waiting for the LEDs to stop blinking with only one red solid led, then unplugged the power source. I ...
the constant gardener's user avatar
0 votes
1 answer
2k views

Raspberry Pi 4 does not boot from USB. Only from SD Card

My Pi does not want to boot from a USB SSD that I connected through an ADATA rack. The rack does not have a power supply of its own, but to power the Pi I use an Macbook Pro Apple charger on which it ...
Whitewolf3131's user avatar
0 votes
1 answer
1k views

Ubuntu Core & Raspberry Pi Zero 2 W

I'm trying to run Ubuntu Core 20 on Raspberry Pi Zero 2 W. According to Install Ubuntu on RPi this should work without a problem when using the 32bit version. Or with 64bit version using following ...
Roman Janiczek's user avatar
0 votes
1 answer
1k views

RaspberryPi Running Debian 11 Won't Boot Without Monitor

I have a Raspberry Pi 4 running Debian 11 (bullseye), however, it doesn't boot when a monitor is not connected. When the monitor is connected, it boots perfectly, however without it it stalls forever ...
Brendan R.'s user avatar
0 votes
1 answer
858 views

Raspbian is not going into initramfs with busybox

I was not successful getting into initramfs shell (busybox) on the most recent Raspbian 64-bit release. Every time the system should fall back into the initramfs, I just get an unresponsive serial ...
northcom's user avatar
0 votes
0 answers
1k views

RaspberryPi Compute Module 4 bootloader EEPROM update issue

One day I got a new CM4 Lite module and the official IO board. I wanted to try a NVME disk as a boot device but I found that original EEPROM didn't have this option enabled (BOOT_ORDER didn't have 6 ...
hanni76's user avatar
1 vote
0 answers
647 views

Problem with booting Raspberry Pi 400 from USB drives

Summary: I have a USB3 flash drive that I can use to boot my Raspberry Pi 400 without a problem, but only when it is directly attached to one of my my RPI 400 USB3 ports. However, when I attach the ...
mcgregor94086's user avatar
1 vote
1 answer
929 views

Boot from USB 3.0 ports

I want to boot from my USB 3.0 port attached SSD. I have flashed my RPI4 with the Raspberry Pi Imager USB Boot loader. When I attach my SSD to my USB 2.0 ports it runs flawless. But as soon I connect ...
Wolk9's user avatar
  • 103
0 votes
0 answers
2k views

Error while writing bootloader to SD card

I have some problems with my RPi 4B, and one of the suggested tests is to overwrite a bootloader. I'm trying to do this on my xUbuntu 20.04 with rpi-imager, but I get the following error: Tried two ...
Bbllaaddee's user avatar
0 votes
0 answers
581 views

Raspberry Pi Secure Boot Configurations with Authentication IC

I am working on the Raspberry Pi Compute Module 4 with raspbian buster (command line only) os. I want to secure my Raspberry Pi, I have read some solutions on that. As I see there some manufacturers ...
shiv patil's user avatar
-1 votes
1 answer
96 views

Can't boot RPI4

My raspberry pi 4 don't seems to boot anymore (tried different SD card, OS, power adaptor) The red led next to the power (USB-C) remain static red. The green led next to it blink 8x when I plug to a ...
Kevin's user avatar
  • 237
0 votes
2 answers
1k views

My raspberry pi 4 didn't boot

My raspberry pi 4 was in normal use yesterday, but didn't boot today: I am using the Pi4, suddenly it does not boot into the memory card anymore, only the red light (power light) does not light the ...
Nguyen Van Tai's user avatar
1 vote
1 answer
780 views

Anyone successfully managed to get the CM4 to boot directly from a PCIe SSD?

I've been trying off and on for a few days to get the PCIE boot working on my CM4/CM4IO setup but without success. No matter how I attempt to convince RPIOS or Ubuntu to install the latest firmware ...
Simon Banks's user avatar
0 votes
1 answer
673 views

How to update/change the kernel without removing the SD card?

I have seen posts and tutorials dealing with updating the kernel, such as this one, but they all expect you to remove the SD card, rewrite it outside with a card reader and then plug it back in. Is it ...
barzilay's user avatar
0 votes
1 answer
365 views

how to boot to level 1

How does one boot to level one? That is interupt the boot to a GUI. I have not been able to get back to a functioning level1 (sudo init 1) so I want to stop on the way up.
elaz's user avatar
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1 vote
0 answers
208 views

Update Raspberry Pi Flash with change of SD Card

I know that the firmware on the Raspberry Pi 4 is automatically updated trough the package manager. If I install a new version of rpi-eprom (or is it another package?) trough apt upgrade the boot-...
PMF's user avatar
  • 896
0 votes
2 answers
477 views

When there are multiple boot devices, they are not booted in the order defined in BOOT_ORDER?

I have a pi4. Today, I want to set up USB booting. After I executed the following procedure, I found that the USB booting was successful, but when I plug both the SD boot device and the USB boot ...
Jiaming's user avatar
  • 31
1 vote
2 answers
433 views

Raspbian broken bootloader package

I've just tried to update my Raspberry Pi 4 and am getting the error: Unmet dependencies: libraspberrypi0 : Depends: raspberrypi-bootloader ( = 1.20210108) but 1.20201022 is installed Running the ...
Jack's user avatar
  • 71
0 votes
1 answer
1k views

Debian Buster w/ Overclocking

Due to software requirements I'm running Debian Buster and am hoping to be able to give my Pi4 a slight overclock. I've created a confix.txt file in /boot with the following content: over_voltage=2 ...
Phill Healey's user avatar
0 votes
0 answers
129 views

Pi 4B not booting

I bought my Raspberry Pi 4B with 1GB RAM last year, and I recently turned it on and found this error(?) screen. I can't seem to find the issue: I already reset the EEPROM I tried a different SDCard ...
NSLabs's user avatar
  • 1
1 vote
4 answers
9k views

Boot Options not showing in raspi-config

I've been following this guide on Tom's Hardware to boot the RPi via USB SSD. However, when I enter raspi-config, 3 Boot Options does not show. What am I missing ? Raspberry Pi 4 Model B EEPROM ...
Darkfienix's user avatar
1 vote
0 answers
64 views

Raspberry Pi 4B Booting problem

I have a Raspberry Pi 4B 2 GB model. I am running MQTT server on my Pi for an energy monitoring system in which around 16 ESP devices are connected to Pi. Besides EMS, Its also connected to Siemen S7-...
Umair Raza's user avatar
1 vote
0 answers
791 views

Raspberry PI 4 not booting, ACT LED blinks 4 times, boot recovery won't help

My RPI4 just stopped booting. Green ACT led blinks 4 times and the monitor stays dark, hard drives won't start. What I've tried: I installed a fresh Raspberry PI OS to another card, that booted up, ...
any_h's user avatar
  • 111
-1 votes
1 answer
1k views

RPI4 missing 'pieeprom.bin' file?

I'm trying to edit the bootloader config following the rpi official instructions (https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2711_bootloader_config.md). However, when I try rpi-...
senepe's user avatar
  • 1