Questions tagged [recovery]

For questions pertaining to recovery mode.

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Safe method for SD backup and recovery on a Mac

I have tried several methods on my Mac to backup and recover an image of the SDs on my raspis. The only method that has consistently proved to work for me is the "dd" from Mac terminal. The ...
Joan I's user avatar
  • 9
1 vote
1 answer
3k views

Corrupted SD Card - how to fix, or recover data?

I recently got my hands on an older pi (Model 3B), that I had left at my mom's house some time ago. When I went to start it, it wouldn't boot. The red light came on but the screen remained black. I ...
dedles's user avatar
  • 11
0 votes
1 answer
613 views

Recover an ext4 due to the super block flag

My ubuntu 21 hanged and after rebooting, it was not able to boot up. The current message is this one. Tried to use fsck with -y and -f and none of them fixes the partition. It happened with the ...
Hola Soy Edu Feliz Navidad's user avatar
1 vote
1 answer
9k views

Raspberry Pi not booting "recover4.elf is not compatible"

I've bought x3 Raspberry Pi 4 4GB Model sets a while ago and was very happy with it. I've been working on the one and cloning the same SD-Card onto other 2, so I could have the same system state on ...
Roman Kreber's user avatar
1 vote
0 answers
273 views

Install recovery mode after already flashing Raspberry Pi OS?

I have a Raspberry Pi 4B, and I installed Raspberry Pi OS onto a blank microSD card using the official imager. My understanding is that if I had used NOOBS, after installing the OS there would have ...
Ari's user avatar
  • 111
0 votes
5 answers
215 views

Is it possible to select the root partition at boot time using GPIO pins

My Raspberry PI has 2 identical (kind of) root partitions. I would like to be able to select the other root partition at boot time using a GPIO pin in case I brick it.
adrianboimvaser's user avatar
1 vote
3 answers
1k views

how to recover removed directories

I am trying to cross compile Qt for my raspberry, I tried it and I had some errors so I decided to change the configuration and try again maybe things will get better .. I got this after configuration ...
mina's user avatar
  • 377
1 vote
2 answers
397 views

Disable Single User Mode

If I forget my password to my Raspberry Pi, I can gain access again by using single user mode (here is an alternative link). The upside is that if I don't know my password, I can gain access. The ...
Insert name here's user avatar
0 votes
2 answers
679 views

How NOOBS OS boots? (in recovery mode)

I am trying to implement something which requires me to learn this:- How Raspberry pi NOOBS OS boots in recovery mode while holding SHIFT key? Can anyone help me regarding this?
Preet Patel's user avatar
0 votes
1 answer
314 views

how to remove recovery mode screen in Raspberry pi 3 b+

Any body can help me about recovery mode. How to remove recovery mode screen in Raspberry pi 3 b+ Thanks
Dave Kumar's user avatar
0 votes
1 answer
223 views

rPi4 no longer capable of HDMI output. Eeprom recovery did not help

I have a rPi 4 that died on me, in two stages: First it would only show a yellow screen on HDMI outputs. Then later, it completely stopped outputting HDMI altogether. It seems to be in a reboot loop? ...
Bram's user avatar
  • 172
0 votes
1 answer
90 views

Pi 3b+ boot problem

My pi 3b+ works with an SSD disk connected through USB and it was working with nextcloud for more than 1 year. Pi stopped working, I could not access online, the apache server was not responding and ...
Carlos Martínez's user avatar
1 vote
1 answer
40 views

Accidently disabled overscan on pi 4b

Stupid me. I accidentally disabled overscan and it won't show anything after normal post, it shows the rainbow-colored screen, then shifts for recovery then after what nothing. I don't want to lose ...
Aruamercury's user avatar
1 vote
2 answers
2k views

How to revert misconfigured BOOT_ORDER value on RPI4?

I've had my RPI4 configured to boot from the network if there is no SD card inserted (for bare metal programming) but firmware update restored it back to SD boot only. So I've tried to make it boot ...
pvc's user avatar
  • 121
0 votes
0 answers
44 views

Pi stopped booting after losing power - can it be recovered

I have had a pi running as a Bluetooth link to a meat-curing machine and it's been awesome! The thing has run without issues for like 45 days. Well today I decided to move it to a new room and so I ...
austinbv's user avatar
  • 101
1 vote
1 answer
107 views

I tried to hard wire power to pi 3 b, and smoked the board... File recovery?

I've been using my raspberry pi for about a year now, with Octoprint for my 3d printer. One of the more recent updates started showing it as under-voltaged. Over the last week, it started to cut out, ...
Keith Drake's user avatar
0 votes
1 answer
682 views

Recovery of SRM save game file from Retropie corrupt SD card

I've been googling at this all night and have found multiple conflicting methods of recovering/formatting/saving corrupt SD cards but i'm a complete n00b with both Raspberry Pi and Linux. Basically ...
Crickentine's user avatar
1 vote
0 answers
350 views

Error on init/boot '/init: line 27: can't create /sys/class/leds/led0/trigger'

Sorry for asking the same question twice, but it seems I can't fix the problem yet. I have a web server running on my pi. One day I found that my server is down and I try to access my pi using VNC and ...
ostell's user avatar
  • 11
1 vote
1 answer
544 views

Is possible to make the backup and the recovery root partition from one to the other?

I have two Raspberry Pi boards. One is a (Pi 1) Model B and the other is a Pi 2 Model B. The Pi 1 Model B is a new one from my friend. I had used the Pi 2 Model B for a long time. I know the ...
jefferyear's user avatar
0 votes
1 answer
27 views

Hi, I have falshed o/s for my rasberry pizero W on my 32gb sd card which contained my lots of data,So all I want to ask can I recover it back? [closed]

I want to know that does flashing formats existing data,if no how do I get it back?
Rushi Tech's user avatar
0 votes
1 answer
431 views

Recover files from RPi after doing chmod 777 / -R?

I know, I'm an idiot, I have no backups, let's move forward. Is there any way I can get the files off the SD card? I did sudo chmod 777 / -R and can no longer connect to the device over SSH or SFTP.
user1917407's user avatar
0 votes
1 answer
289 views

NO display with raspberry Pi.High voltage at 3.3V output.(Is it dead?)

Recently I was using raspberry pi which was working fine. I tried to use GSM module with it and powered it using the 3.3V pin of raspberry pi and suddenly my raspberry pi rebooted and after it gained ...
Bilal Riaz's user avatar
1 vote
0 answers
19 views

TFT LCD installation failed

Connected a 3.5in TFT LCD and ran the LCD35-show script which ran for a bit then rebooted and crashed. I would just like to get back to the HDMI, but system crashes. Noobs V2.3 is available but there ...
jim's user avatar
  • 11
0 votes
2 answers
423 views

Reverting Display Brightness Changes

I have Ubuntu Mate installed on RPi3 with official 7" screen. I was changing screen brightness through Mate's GUI where I dragged the bar too much towards the dark side... Resulting BLACK LCD!!! How ...
HelpNeeder's user avatar
1 vote
0 answers
3k views

Unable to enter recovery mode on Ubuntu MATE

I forgot my password for Ubuntu MATE and I've read that the only way to reset it in Ubuntu is to enter recovery mode and enter a root shell etc. The problem is, I can't figure out how to enter ...
atirit's user avatar
  • 111
2 votes
3 answers
13k views

Restore deleted files on Raspbian Jessie

I mistakenly deleted the files and folder that were whole movies collection on my external drive, the only folder left is 2014, I don't know how. The problem is from shell I ran rm -rfcommand So now ...
Ciasto piekarz's user avatar
1 vote
2 answers
4k views

Can't access SD card contents (Ubuntu) after inserting SD into Android phone

So my Rasberry Pi had some sort of failure, and I'm trying to recover some data from the SD card. Since I didn't have an SD reader on hand I chucked the SD into my android phone and tried to use the ...
Darkstarone's user avatar
0 votes
1 answer
17k views

How to enter Recovery Mode without USB keyboard?

At boot, I know you can enter to Recovery screen by holding shift. However, I don't have access to a usb keyboard for now. However, a bluetooth keyboard is configured with my Raspberry Pi 3, but it ...
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