Questions tagged [boot]

These questions refer to the initial starting up of the Raspberry PI.

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Boot ups but display rainbow screen on Raspberry Pi 3

I'm new in RPi, so can't resolve an problem. How can I fix a Raspberry Pi with Rainbow screen? I'm using Raspberry Pi 3 B with Raspian 10 (show below) Linux raspberrypi 5.10.103-v7+ #1529 SMP Tue Mar ...
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RPI 4 and creation of scripts from buildroot

I want to know if it is possible to allow my system created by buildroot, to automate the execution of script which would allow for example, to switch from qwerty to azerty (maybe this option exists ...
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Raspberry Pi 4 not booting after the welcome screen splash

I shut down my Raspberry Debian OS (properly using Shut Down) to attach a DHT22 Temperature and Humidity Sensor to the board. After connecting the sensor, I started the Pi. I get a colorful splash ...
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How to get an Adafruit 16x2 Character LCD kit to print information at startup running in headless mode [closed]

I'm using the following kit to print to an LCD: https://learn.adafruit.com/adafruit-16x2-character-lcd-plus-keypad-for-raspberry-pi and the associated python classes / library the webpage lists. I've ...
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Ubuntu server could not get clk: -517 on boot

I have a Raspberry Pi 4 8gb running ubuntu server 20.04, having the root partition through usb to a 1Tb ssd. And recently when booting the system, it displays this error: [ 1.313819] spi-bcm2835 ...
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Is the Boot Partition unique to a Raspberry Pi?

I have ten Raspberry Pi's. I'm flashing Raspberry Pi OS Lite to each of these, using Raspberry Pi Imager and after flashing need to edit the cmdline.txt & config.txt found in the Boot partition of ...
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Raspberry Pi 4 displays colored vertical lines

I have seen this question asked but I couldn't figure out if the color scheme tells something or not. Bottom line is the PI was working flawless until one month ago. I did not have time to check it ...
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Raspberry Pi 3B not booting anymore.How to update firmwire?

I have a RPi 3b in my stack. Suddenly it stopped working correctly and after another OS flash it was dead. Now is there a way to revive it?
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How to increse boot splash screen duration?

My Plymouth boot splash screen screen only shows up for a fraction of a second. How can I increase its duration? I tried adding a dummy system service that was supposed to delay boot splash ...
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Autostart syncthing after reboot

I have installed syncthing on my Raspberry Pi but it does not start automatically. How can I run it automatically after a reboot?
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Raspberry Pi 4 does not boot with 3 devices connected to USB

I have connected three devices to my Raspi4 USB: Logitech wireless gamepad dongle, and YDLidar-X4, and Arduino UNO. The YDLidar-X4 is separately powered with 5V supply, the Arduino is separately ...
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Disable HDMI at boot, then re-enable later

Here's the desired scenario: System is turned on Pi boots (bullseye) with HDMI off (fully off, not just outputting a blank stream) Later, Pi activates HDMI and starts outputting video Currently, I ...
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Raspberry PI is not booting [closed]

I tried to follow this tutorial https://www.laub-home.de/wiki/Raspberry_Pi_multiple_I2C_bus to connect a second i2C device on GPIO-pin 17 and 27. I had to reboot the pi after editing the /boot/config....
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Black screen single dash but not blinking

I have a raspberry pi 4 that when booting gets stuck on the black screen with the blinking cursor in the top left corner but after about 3 seconds it freezes and the cursor becomes still. I have tried ...
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How to automatically reboot a Raspberry pi when not logged in

I have my raspberry pi set with an autologin feature, however sometimes when a third party program crashes within the raspberry pi it logs me out and deactivates the automatic login. I'm trying to ...
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Raspberry Pi Not Booting from SSD when multiple SSD's attached

I have a raspberry pi 4 8gb that has 3x SSD's attached via a powered hub, one of which is the boot drive, and if I turn it on with all 3 SSD's attached, it won't boot. I have two of the drives set to ...
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Raspberry Pi 3B+ with Kali Linux (2019) Won't Boot after errors during system upgrade

I have Raspberry pi 3 B+ wich I haven't used for a long time. With Kali Linux (2019) installed. Today I tried to check it. It loaded and worked fine, but there were too many packages to update. During ...
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Raspberry pi 4 doesn't boot green light blink ones

Raspberry 4 model b doesn't boot at all, when i plug power supply red light always lights, and green only blink ones, and nothing more. I try 3 differnt sd cards, try write raspbian in Imager, in ...
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Using the Dynamic Device Tree to add Overlays at Run Time

I am working on a couple of ideas for device tree overlays for the RPi 3B+ & 4B. It will be useful in my testing to be able to load and unload overlays without having to reboot each time. As ...
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How do I rotate LCD touch panel on a Raspberry Pi 3?

I know this question has been asked many times, but I can't find a solution that works anywhere to rotate the official raspberry pi touch screen (not the display part as this is working, just the ...
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How can I customize what RPi displays on boot?

I'm new to the RPi world, but I'm using RPi 4 with official Raspbian/Raspberry Pi OS (bullseye) right now. When the RPi start booting, it normally displays rainbow screen, then some splash screen, ...
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How to disable boot when plugged to power? [duplicate]

I want to disable boot of raspberry pi 4B when plugged to power I have searched a lot and found a similar question, which gives a short and suspicious answer to this problem. If two RUN pins(holes) ...
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emergency mode starts by default on raspberry pi 3

When i try to start the raspberry pi 3 .. it gets stuck on: You are in emergency mode.After logging in, type “journalctl -xb” to view system logs, “systemctl reboot” to reboot, “systemctl default” or ...
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Trying to run a python program on boot - error file location?

I have edited rclocal to include this line: python3 /path/to/my/program.py & I used an ampersand as my program has an infinite loop. The program never runs though. The program: import RPi.GPIO as ...
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Raspberry Pi 4 not booting after trying to set up USB boot

I have just gotten a Raspberry Pi 4B (4GB), flashed Raspbian 64bit on it and read through various of tutorials to start Raspbian from an external SSD drive. In my last try/experiment, I downgraded ...
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Changed sd card disk signature in diskpart, now gets stuck booting

I have an SD card with a particular image on it that I wanted to back up before modifying anything in case I broke something. I inserted the card into my (Windows) PC and attempted to use Win32 Disk ...
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How to boot multiple raspberry's with one read-only NFS root

I want to boot my raspberry's via NFS using a read-only nfs root filesystem. Refering to technologies like: overlayfs or tmpfs i am curious in how to achive this in the right way using mostly commonly ...
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-1 votes
1 answer
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How to change files on raspberry pi without starting it up

I had made a script and I wanted it to run on startup so I included it in /etc/rc.local. But I had forgotten that at the end of the script I have it set to shut the pi completely. And so now whenever ...
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Why Raspberry Pi 4b is slower when boot up from USB flash drive than boot up from microSD card?

Providing that what I've read in this article is true I'm wondering why it's faster to run Raspberry Pi 4b from microSD, than it is to run it from decent speed (200MB/s read) USB Flash Drive? Is the ...
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2 answers
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Raspberry Pi would not start

Hi, when booting Rasberry PI I get following error messages and RPI does not start. I have took out SD Card, run chkdsk on Windows machine, did not detect errors. Is there anything I can do to fix it? ...
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Where is rngd started? How to pass a parameter?

The man page for rngd says there is an option -S to control the interval at which stats are written to sylog. I would like to change that interval but I can't find where rngd is started at boot (...
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Systemd service as status control

I have a script which is supposed to be executed on boot when the network connection is established (local network would be sufficient). It is the shell version of linphone. This is my current unit ...
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-2 votes
1 answer
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Edit rc.local from windows

I ruined my RPi, by using Python script in rc.local which shutdowns RPi as soon as it starts. Thus I cannot even login or ssh. How could I edit SD card from windows to change that rc.local file?
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Headless PI not booting anymore after upgrade and nordvpn install

my Pi apparently stopped working after apt upgrade and installing nordvpn app. The thing is that I see a red line at the bottom of my var/log/syslog. In practice I can't ssh anymore in it. I checked ...
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Raspberry Pi 3B not booting from network (without sd card)

I am trying to boot my Raspberry Pi 3B (not plus) using network boot (without any SD card). So in order to setup the required OTP bit, I added program_usb_boot_mode=1 to my config.txt file and ...
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Unable to reliably boot on SSD when SD card is inserted; but boots well on SSD when SD card is taken away

I am using a RPi4 8GB in headless mode, running Raspbian (I know, I know, it is only 32 bits at present, so I only use 4 out of 8GB of RAM for now). The RPi4 is in an Argon ONE M.2 case, with a solid ...
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Replace files in /boot while running

I want to try to replace Raspbian by Alpine on my Raspberry Pi Zero W, without having physical access to it. I am wondering whether the following procedure would work: While Raspbian is running: ...
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Cold start Raspberry Pi 4B? How cold?

My company recently ran tests on two Pi 4Bs in a temp chamber with camera attached. Ran 1000 hours at 70C ambient - CPU around 80-82C No issues. (power always on) Ran 1000 hours hot/cold cycle -25C ...
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Connecting wlan1 to wifi at boot [duplicate]

I have a pi at a remote location to which I VNC or SSH into regularly. I had to purchase a https://store.rokland.com/pages/alfa-awus036acm-driver-support-page wifi adapter because the current wifi ...
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Start Python Pygame automatically (with sudo rights) after booting instead of displaying a prompt

I'm trying to solve this problem. I would like to boot a raspbery directly into pygame without starting the GUI. I have a raspberry pi generation 2 with the current "2021-01-11-raspios-buster-...
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RPi 4B does not boot properly with RPi OS

Raspberry Pi 4B does not boot properly with official Raspberry Pi OS. It was working 3-4 months ago. I have not used it since then. But today the issue occurs. If I attach power and monitor with RPi ...
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2 answers
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Raspberry Pi: Unable to reboot (unable to mount root fs on unknown-block(179,2) - on brand new sdcard/image

I got some new Sandisk 32gb Ultra sdcards installed Pi OS on them etc - but when booting the Pi they gave the error in the title - all the same.
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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 ...
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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 ...
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Raspberry as a continuous streaming player

I'm new with Raspberry and i need help. I have a Raspberry pi 2 model b and i want to play an audio Stream (shoutcast) at startup. It should check itself every 30 seconds and if the stream is not ...
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Cloned SD-card won't boot, stuck on welcome screen

I've got a RPi 3b+ (Raspbian 9.13 stretch) that I've had for a couple of years. Usually it works fine, but I've had a couple of issues with SD-cards in the past, so I'd like to keep a spare one on ...
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Most energy efficient way to perform periodic tasks on RPI ZERO W

I would like to make my Rpi Zero W execute a simple task (which takes an insignificant fraction of time to perform, <1s) using inputs from sensors exactly f times a day. I am wondering whether: ...
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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 ...
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Rotate display on startup

I try to rotate my display on startup. (Console, NOT X11) I do not really care if this happens before the bootup-sequence or afterwards. As long as the display is rotated once the login-prompt appears ...
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Pi wont boot from external SSD with ecrypted LUKS container and LVM partition layout

I want to achieve a setup in which I boot from an external SSD harddrive in an USB Raid enclosure. The root directory lies in an encrypted luks container. The boot partition is unencrypted The problem ...
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