Questions tagged [boot-issues]

Errors occurring in boot; includes software/hardware issues.

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11
votes
4answers
18k views

Why am I getting a rainbow screen and flashing red PWR LED with a new Raspberry Pi 3B+?

I think there might be a problem with my new Pi. I'm using the same power supply (purchased from PiHut for my previous 3B) in the new 3B+ but I get the rainbow screen and the red power light flashes ...
1
vote
2answers
4k views

Raspberry Pi 3b+ not booting

I got a raspberry pi 3 b+ for Christmas and yesterday whilst installing a Pi Hat's Software (Rasp.io Duino) it just flat out died after showing that there was an under-voltage, even though I was using ...
1
vote
2answers
3k views

Is it possible to use partition UUID for root-parameter in cmdline.txt?

By default the root parameter in /boot/cmdline.txt is set with PARTUUID. For example: dwc_otg.lpm_enable=0 console=serial0,115200 console=tty1 root=PARTUUID=ae4da847-02 rootfstype=ext4 elevator=...
16
votes
4answers
77k views

Raspberry Pi with boots up with Rainbow screen

How can I fix a Raspberry Pi with Rainbow screen on boot up? I have good voltage coming in and I believe I've formatted and setup the SD card properly. I have two of these boards that do the same ...
1
vote
1answer
4k views

I can't boot my Pi! (4 flashing green Lights)

I recently pulled my Raspberry Pi (model B) out to try messing with it again. But when I loaded up an image onto my SD card, I would just get 4 flashing green lights, and no image output to let me ...
47
votes
11answers
62k views

How can I prevent my Pi's SD card from getting corrupted so often?

I get an I/O error at boot and then get this 'error': (I am running the latest version of Raspbian) Entering kdb (current=0xca82ac80, pid 1) due to keyboard entry kdb> _ And I have seen it before,...
6
votes
9answers
51k views

How can I install the KUMAN 3.5 inch-display?

I have a perfectly running Raspberry Pi 3 Model B, with a Raspbian Distribution on a 16 GB SD-Card. I connected a Screen with a HDMI-to-DVI Connector to it, a Mouse and Keyboard and I also have SSH ...
1
vote
3answers
72 views

Reboot not starting python app but executing runs with no Errors

I'm running a bell app connected by ENet between two RPI 4. The button end works well, but the server end only works when I sign in to activate it. How do I get it to start at start-up in Crontab? @...
1
vote
3answers
3k views

Raspbian on USB Stick

After owning a RPi 3 for almost a year now, I wanted to do a complete clean installation. I had installed Raspbian on a USB-stick, which was really easy at that time. I just had to write the disk ...
2
votes
1answer
4k views

SD Card RPi 2 - why the SD card won't work

There are a lot of issues around here about corrupted cards and RPi not booting. But can somebody explain to me what is the problem with RPi and some card(I mean technical explanation) Why do some ...
2
votes
1answer
241 views

SanDisk Ultra SD Card with Raspberry Pi 3+ Suddenly Stopped Working (and is Overheated!)

It has been about a week since I booted into my Raspberry Pi. This evening when I booted it, raspberrypi.local could not be detected on the network. However the card was burning burning hot I ...
2
votes
2answers
13k views

Colored screen when booting raspbian from noobs

i have a raspberry pi model b with noobs and raspbian installed on the sd card. ive used it for quite a while but today when i boot the pi it just shows me a colored screen and i cant do anything. i ...
2
votes
1answer
860 views

Is my raspberry Pi dead

I tried a circuit with raspberry pi to drive a motor, so there was 12 V at the circuit I used it with. I might have wired it in a wrong way for a short while and I immediately shut the power down. At ...
1
vote
3answers
8k views

RetroPie fails to boot on Raspberry Pi 3 Model B+ with rainbow screen and flashing red led

I downloaded the latest version of RetroPie (v4.3) to a formatted SanDisk 16GB SD card. When I try to boot RetroPie on a brand new Raspberry Pi 3 Model B+, it gets stuck on a rainbow screen. I've ...
0
votes
3answers
4k views

First time RPI user, Raspberrian installer won't boot, red light only

I seem to be one of countless scores of people who just don't seem to have the magic touch in getting this little machine to actually run. I will walk through the history of what I have done. Model ...
6
votes
2answers
10k views

Strange problem on startup - cannot open access to console

Rpi 3 Model B, 16gb SD, all configured well and working fine until yesterday sometime, when rebooting, I now have to press "enter" to continue due to: "Cannot open access to console, the root account ...
8
votes
8answers
56k views

Will not boot, black screen only

I recently installed Debian 7.0 (Wheezy) on a 32 GB SD card, but so far the Raspberry Pi has not been able to boot. I replaced the elf, bin files, etc... and the monitor is now getting a response,...
2
votes
2answers
7k views

isc-dhcp-server needs to be restarted after reboot

I'm having an issue with isc-dhcp-server. When I reboot I can see that it loads because it says "Starting LSB: DHCP server ...". However when trying to connect a PXE node to the server it does not ...
6
votes
1answer
4k views

Unable to configure a Raspberry Pi Zero as a USB Mass Storage Device using g_mass_storage

I have been trying to get my Raspberry Pi Zero to behave as a USB Mass Storage Device, following https://gist.github.com/gbaman/50b6cca61dd1c3f88f41 and other online documentation. Steps to reproduce:...
2
votes
1answer
6k views

Raspberry Pi boots to rainbow screen when trying to load RetroPie

Total beginner here. My SD card was preloaded with NOOBS. I installed Raspbian, watched a tutorial on how to put RetroPie onto my SD card. The first go round I screwed up by wiping my card when I ...
2
votes
1answer
11k views

troubleshooting raspberry pi booting with the green led light

Update : I've downloaded and copied the NOOBS images from here. Checked the hash, and when I run it on the Pi the green light blinks once and then only the red light is on. Nothing else happens from ...
1
vote
1answer
8k views

Issues with root=PARTUUID= in cmdline.txt at boot

I'm having some trouble understanding which drive identifiers are available at different stages of system boot. I'm running a Pi 2B with a btrfs root mounted on an external USB SSD. I'd like to ...
1
vote
0answers
441 views

Micro SD card doesn't boot on Zero, but works on Pi3

So I've got this 32GB micro SD card, with Jessie Lite installed on it. It won't boot on any of my Raspberry Pi Zero W's or Zero, but its just fine on my Raspberry Pi 3. Literally nothing happens when ...
4
votes
2answers
1k views

Raspbian - Real Time Kernel does not boot

I am trying to make a Raspbian kernel to support real time. To do that I cloned the latest kernel from raspbian github repository and applied the Real Time patch for 3.10.25-rt23 (https://www.kernel....
4
votes
2answers
3k views

Raspberry pi B+ first boot

I got Raspberry pi B+ and I tried to boot by using NOOBS v1.3.10 and RASPBIAN Debian Wheezy Version:September 2014. Then I got two different problems. These are my component information, Raspberry ...
4
votes
2answers
1k views

Binary garbage on the UART when powering the RPi

I have a strange issue I cannot figure out. I have a thermal printer (https://www.adafruit.com/products/597) plugged to the UART (/dev/ttyAMAO). I configured the RPi to remove the console on /dev/...
3
votes
4answers
25k views

Can't Access TTY: Job Control Turned Off

I have a new Raspberry Pi with Raspian Wheezy installed and has several cables connected to it via the GPIO pins. However, I noticed if I have anything connected to them during boot up, the device ...
3
votes
1answer
10k views

What does it mean if both LEDs are lit up? [duplicate]

I recently got a RPi and when I plug it in both LEDs light up solid without flickering. It also does not show up on the monitor. Everywhere I've looked it says they should be flashing but they aren't. ...
3
votes
3answers
10k views

Raspberry Pi 1 Model B+ end of life?

TL;DR My Raspberry Pi (Model B+) can't run the newest Raspbian (Stretch), suspected is that the kernel doesn't work. Anything with a kernel version above 4.1.19 will fail to load. Does this mean that ...
3
votes
2answers
594 views

Raspberry Pi Model B 1GB version has both solid lights without SD Card

I got a used Raspberry Pi Model B 1GB Version. I am noticing something weird, even without a SD Card connected to it, after powering it on and connecting HDMI I see the rainbow splash screen. Both red ...
2
votes
2answers
44 views

Raspberry Pi getting burningly hot and not displaying

I tried turning on my raspberry pi 3 b+ and it wouldn't show anything to my TV, the entire Pi ( mainly around the SD card ) was so hot I could barely touch it. Bare in mind the pi was only on for ...
2
votes
1answer
3k views

Bizarre SDcard MMC errors

I'm seeing strange issues on the Raspberry Pi B2. [ 85.426681] request_module: runaway loop modprobe binfmt-0000 [ 85.428508] request_module: runaway loop modprobe binfmt-0000 [ 85.449229] ...
2
votes
0answers
63 views

Raspberry Pi 4 stuck on Rainbow Screen

My Raspberry Pi turns on, it shows the Rainbow Screen, then freezes. I have not installed Raspbian; I downloaded NOOBS and put it on my micro SDHC card. I put the micro SDHC card into the slot and ...
2
votes
1answer
639 views

Raspberry Pi 3 Reboot/Power issue

I'm having an issue with my Pi 3 regarding power/heat issues. I have a setup where a UBEC has been powering a Raspberry Pi 3, 5in HDMI touchscreen, and small fan for a project. It was running fine ...
1
vote
1answer
334 views

Raspbian img on Pi 4: unable to mount root fs on unknown-block(179,2)

I've just got my first Raspberry Pi 4. I'm trying to install Raspbian's July 2019 version. I've read all related issues to this problem here and I can´t manage to find the problem. I downloaded ...
1
vote
3answers
871 views

RPI 2 B freezes when Wi-Fi dongle is inserted and doesn't detect it

I have an RPI Model 2B running Raspbian that works (almost) perfectly. I recently bought a TP-LINK WN725N V2.0 that I thought would work if I followed the instructions listed here. However, when I ...
1
vote
1answer
1k views

Unable to mount root fs on unknown-block(8,1)

Per Boot from external USB stick / drive? - Raspberry Pi Stack Exchange: I am able to mount my USB stick within OS (/dev/sda1), I then replaced root='s value with /dev/sda1 inside of cmdline.txt from ...
1
vote
1answer
4k views

Cloning SD card causes “interface eth0 does not exist”

I have cloned my raspberry pi SD card after customising the OS. However, when I try to boot it on a different pi, everything appears fine, but eth0 doesn't show up in ifconfig. When I try 'ifup eth0', ...
1
vote
2answers
4k views

Why does apt-get upgrade cause blank screen after reboot on Raspbian?

I have Raspberry 2 B, installed the Raspbian image . Everything was good. However, when I ran sudo apt-get upgrade it took about 50minues, and after reboot, i have blank screen with blinking ...
0
votes
2answers
96 views

No activity LED after shorting a GPIO to ground : dead or fixable?

This is a model 3B+, due to some under-power warnings on the screen I was testing the actual voltage between the 5V and ground pins on the header, but managed to touch pin 40 (SCLK) to pin 39 (GND) ...
0
votes
1answer
185 views

Is there a difference between the two boot states of reboot or shutdown/unplug/plug-in?

Why does my pi connect to wifi automatically when using shutdown and re-plugging it in but doesn't when using reboot? When I unplugged/shutdown and plug the pi back in, it connects normally even if I ...
0
votes
3answers
1k views

Can't properly flash some micro SD cards

I have a couple of Micro SD card here and it seems like only some of them can be flashed correctly. No errors during the flashing process, but only the boot partition turns out to be mountable on my ...
0
votes
1answer
536 views

From “SSH: Permission denied, please try again” to realizing my RPi is running a non-ending process

I am pretty new in this, and I am working on a home automation project where my Pi should be accessed from the outside world and some slave Arduinos should perform tasks like monitoring the ...
0
votes
1answer
2k views

rPi B+ will not boot according to Arch Linux manual

I am trying to boot Arch Linux image. I've done everything according to Reinstall Manual and when I power up with created os on microSD card, the red and green LEDs are turned on, HDMI is dead, ...
0
votes
1answer
297 views

Debugging Unattended Installer, ua-netinst, RPi3Bv1.2

I'm attempting to install un-netinst using the instructions here. My ultimate aim is to install an Ethereum Client. I have reformatted my 64GB SD disk to FAT32 and copied the files as instructed (...
0
votes
1answer
94 views

Raspberry Pi model b+ has stopped working

I am using a Raspberry Pi model b+ to drive a wheelchair. I am running the motors through relay modules. The signal to the relay module is given from the Pi. Also a GSM module and voice recognition ...
0
votes
2answers
250 views

Raspberry Pi 2 BCM2836 working but new Raspberry Pi 2 BCM2837 stuck on Rainbow Screen

I have an old image from my Raspberry Pi 2 (Jessie Lite) and this works fine on my Raspberry Pi 2 running the BCM2836 processor, however I ordered a new Pi 2 and it seems that they have changed to the ...
0
votes
1answer
380 views

Raspberry pi 3B+ won't boot, solid red light

My Pi won't boot, I was coding my Pi when my friend came and wanted to see a movie from the Pi, I shut it down normally and close the power supply, then changed the SD card that had kodi on and tried ...
-1
votes
1answer
133 views

How to install Kali Linux on a USB for the RaspberryPi?

Boot stuck at "random: crng init done" while using balenaEtcher or Win32 Disk Imager to flash Kali onto a USB. Device: Raspberry Pi 3B+ Image: kali-linux-2019.4-rpi3-nexmon.img.xz from offensive-...
-1
votes
1answer
749 views

Edit FAT16 microSD disk partition [closed]

After installing ua-netinst, on a Pi 3 model B v1.2, I get a rainbow screen. From the comments here, this is expected and I need to re-copy the start.elf, start_cd.elf, start_db.elf and start_x.elf ...