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Questions tagged [grubrescue]

Questions about using the grub rescue prompt or how to get rid of it.

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error: attempt to read or write outside of disk 'hd0'. Error: you need to load the kernel first

I have Sony laptop and I had installed unbantu 1-2 months before. Suddenly when I opened my laptop, there is an error regarding grub rescue that error: attempt to read or write outside of disk 'hd0'. ...
Rishabh Joshi's user avatar
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19 views

error: symbol 'grub_is_lockdown' not found while installing ubuntu-20.04.4 from USB ISO

Hello Ubuntu Community, I have been trying to install ubuntu-20.04.4 for our tower (V100) booting from USB. Unfortunately, getting the following error. error: symbol 'grub_is_lockdown' not found. ...
Bhapra's user avatar
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Grub rescue does not open the boot folder

I recently installed Linux Ubuntu 22.04 on an external SSD (through a USB memory, with Rufus) When start I find this: error: file '/boot/grub/i386-pc/normal.mod' not found Entering rescue mode grub ...
Tlisbel's user avatar
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After entering insmod normal it is again showing unknown filesystem

After entering insmod normal again it is showing unknown filesystem
Jiya rose Jibi's user avatar
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19 views

Unable to boot into ubuntu 18.04, Boot Repair utility says No known boot loader is installed

I have ubuntu 18.04 installed on a system(single os, no dual boot) which refused to boot after I had to do a hard restart and sent me to the grub_rescue prompt. ls on grub_rescue prompt lists (hd0) (...
Jayant's user avatar
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366 views

Grub rescue (ubuntu) after booting from usb / grub_disk_native_sectors not found

After starting to boot from a memory stick to install Ubuntu (even if i didn't erase the ubuntu 18 and Windows 10 from laptop), i tryed to repaire a problem when i upgrade Ubuntu from 18 version to 22,...
Cass Andra's user avatar
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35 views

Dual Boot Ubuntu 20.04/Windows, Gettiing GNU Grub 2.06 Terminal when booting Ubuntu

I installed Ubuntu 20.04 with Windows dual boot capabilities. So anyway, last night when I installed everything it appeared to be working very well, I rebooted several times and switched back and ...
Edwin's user avatar
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At grub rescue> prompt but the keyboard is not responding although it's connected [duplicate]

I'm running Ubuntu 20 or 21. I had rebooted because stupid Firefox froze. Honestly I do not know what message was, duh did not record it. I rebooted and received a message of chassis intrusion ...
Karen Hobbs's user avatar
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47 views

SystemRescue identifeis my NVMe drive, but Ubuntu installation doesn't

I've seen many posts on problem installing Ubuntu on NVMe drives, none helped so far. In my case: SystemRescue live cd does recognize the drive, but Ubuntu installation doesn't, so I am sure that ...
Daniel Scain's user avatar
1 vote
2 answers
92 views

Can I replace a laptop's hard drive with an Ubuntu hard drive?

I'm planning on getting a newer and more powerful laptop. I have so much data in my current laptop that I don't want to lose. I was thinking of replacing the newer laptop's hard drive with this ...
Ezra Gachomo's user avatar
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Cloning an Ubuntu 22.04 instance that uses a compact flash drive seems to lead to an empty /boot/grub directory

We have an Ubuntu 22.04 setup that runs and works fine. When we clone the compact flash drive and put into an identical system it fails to boot with a file '/grub/i386-pc/normal.mod' not found error ...
Kit Kline's user avatar
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82 views

Ubuntu 22.04 LTS dual boot with Windows 10 goes to Grub2 Rescue when reinserting old drive with both OS's

My system is old and bios only. However, I created a dual-boot setup on SSD for Ubuntu 22.04 LTS and Windows 10 in GPT format. Yes, I got it to work. Everything worked fine until I plugged the old HDD ...
salmmus's user avatar
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55 views

'attempt to read or write outside of disk 'hd0' ’after the power cut

My machine is Dell PowerEdge730, Ubuntu 20.04. The power is out. I try to reboot it after power return. The grub interface appears first. In the past, I always reboot the computer with these commands ...
rose ruby's user avatar
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1 answer
440 views

Can't install Ubuntu 22.04 LTS / grub failure

trying to install 22.04 LTS onto my laptop (ThinkPad P50). I've had a working dual-boot W10+20.04 for a few years. When I set that up, though, I made a bad decision and only gave 70GB of the drive to ...
RubeRad's user avatar
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122 views

Error: file ‘/boot/grub/i386-pc/normal.mod” not found while installing ubuntu

I’m trying to install Ubuntu on an external ssd but every time I boot from the USB it suddenly loads grub rescue showing the error file ‘/boot/grub/i386-pc/normal.mod” not found I searched a lot and ...
marco signoretto's user avatar
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105 views

repair both Ubuntu and grub in dual boot system

I use a PC with SSD (240GB) and 2 HDDs (2TB and 500GB). I have Ubuntu 22.04.1 and Win10 installed in the SSD, and use the HDD for data. Recently, after one of the usual Ubuntu updates, Ubuntu stopped ...
Íñigo's user avatar
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270 views

Ubuntu 22.04 hanging in recovery mode

I am trying to boot into recovery mode. On boot type the right shift key loads the GRUB menu V. 2.06 Selecting Advanced options for Ubuntu Selecting Ubuntu, with Linux 5.16.0-47-generic (recovery mode)...
wisdomlight's user avatar
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1 answer
159 views

Ubuntu single boot unknown filesystem error (Not Duplicate)

I have a Samsung 860 EVO 500 GB SSD that is just running a single boot Ubuntu 20.04 LTS Desktop. First off I have tried Grub rescue - error: unknown filesystem and I can't get past the ls portion of ...
user908759's user avatar
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1 answer
77 views

How to quit grub rescue after rm -rf*?

I tried removing Ubuntu by rm -rf*, but it seems to fail. After removing it, I can't get into the bios after booting, I can only get into grub rescue, and I'm told /grub/i386-pc/normal.mod not found. ...
oo i's user avatar
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1 answer
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How can I make a SSD installation bootable?

I installed the latest stable release of Ubuntu on an external SSD, my goal was to have a portable Ubuntu installation. Even though I selected the external SSD as the boot device (in the installation ...
Matteo Veraldi's user avatar
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33 views

grub unkown file system error

So today I have installed zoneminder on my ubuntu server laptop. I have also attached and formatted an external ssd to store recordings. I am rather sure I did not accidentally format my main drive ...
0xDE4DBEEF's user avatar
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199 views

In a Dual Boot laptop Windows got upgraded to Windows11 after that Ubuntu 22.04 is not booting. I want to recover the files of ubuntu

My laptop had Ubuntu 22.04 and Windows10 dual booting. They both were working fine. Just the day before yesterday the windows took a version update to Windows11. Now I am unable to boot into Ubuntu. ...
Atanu Guha's user avatar
1 vote
0 answers
70 views

At grub rescue screen all filesystems shown by ls anser "unknown filesystem" what to do from there

Following an install of 22.04 with zfs: Grub rescue screen comes up on first boot. Grub rescue: ls shows: (hd0) (hd0,msdos5) (hd1) (hd2) When I run "ls" on each of them all I get on each ...
user3304585's user avatar
0 votes
1 answer
376 views

Cannot boot ubuntu 22.04 - can I recover OS from Grub minimal? Or get to home files to delete them?

Hello everyone and thanks so much for your previous help. I still can't boot and I can't use a flash drive because I get 2 errors, an error 71 along with a home file that is too full. These are my ...
Linparda's user avatar
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0 answers
381 views

Stuck at grub - After resized partition

Here's what happened - I am seeing grub> when I boot (NOT grub rescue) I have a dual boot computer, To summarise, I was running out of space in ubuntu but my windows had abundance of space, I ...
Chandan's user avatar
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0 answers
392 views

Grub Command line shows up before menu

I'm stuck with grub at command line on boot. I can boot into Windows 11 or Ubuntu 22.04 by typing exit every time to load the grub menu, however, I would like to fix this. Perhaps worth noting I have ...
user avatar
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0 answers
73 views

GNU GRUB is not showing

I have windows 10 in one hdd(MBR) and on another hdd I fresh installed Ubuntu 20.04 But I'm not getting the option to select which os to boot like earlier. I tried updating grub and also manually ...
Md Asad Ali's user avatar
1 vote
0 answers
2k views

Boot into safe mode from Grub command line

I accidentally installed the wrong graphics drivers (installed nvidia drivers and I don't actually have an Nvidia card!) and now Ubuntu boots into Grub command line. How do I boot ubuntu into safe ...
BashN3wb's user avatar
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1 answer
88 views

Grub Rescue even after fix [closed]

I can get back to my OS by using the following commands, but every time I reboot the grub rescue screen comes back: set prefix=(hd0,gpt5)/boot/grub (edited) insmod normal normal No matter what I do ...
Sid's user avatar
  • 101
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0 answers
78 views

unable to boot windows or ubuntu and Maind Partition became unallocated after changing boot partition's file system

boot-repair-4ppa200 [20220324_2347] ============================== Boot Info Summary =============================== => Grub2 (v2.00) is installed in ...
Munavvar's user avatar
0 votes
0 answers
704 views

Stuck at grub Command Line. Initrd file not found

Steps followed image Unable to boot Ubuntu. Grub screen appears on startup by default. Tried many approaches and one of the approach I used is ls (hd0,gpt2)/ //it displayed home partition ...
Mohammed Rafeeq's user avatar
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0 answers
592 views

How to fix `Error: unknown filesystem Entering rescue mode... grub rescue` on ubuntu 21.10

I was working with my PC that it hanged and I pressed the Shut Down button until PC turned off. After that when I wanted to turn on the computer I got this error: error: unkown filesystem Entering ...
Mahdi Jafari's user avatar
0 votes
0 answers
537 views

Why GRUB menu does not show?

So, I've installed UBUNTU 20.04 recently, and there is no way to show the GRUB menu... I've tried reinstalling ubuntu, I've tried Boot-Repair tool on live ubuntu, I've changed all the settings in BIOS,...
Vítor Fernandes's user avatar
0 votes
1 answer
1k views

How do you permanently fix grub rescue: unkown filesystem

I have a dual-boot of Ubuntu and Windows 10(dev/sda1) And it shows me this: grub rescue: Unknown Filesystem grub rescue> And this is what I have to type to fix it: grub rescue> set boot=(hd0,...
Arad Zinalpoor's user avatar
1 vote
1 answer
321 views

Ubuntu 18 - Stuck at grub rescue

Stuck at rescue mode grub rescue> set cmdpath=(hd0) prefix=(hd0,...
capt_zipoc's user avatar
-1 votes
1 answer
269 views

"boot device not found" after manually changing grub.cfg for dual boot

I tried to dualboot window with Ubuntu for that i edited the Grub.cfg file just i added This the code I wrote there in Grub cfg file After that, i restarted my laptop and getting this kind of error as:...
Sanjeev Maurya's user avatar
0 votes
1 answer
37 views

Grub refuses to work

My laptop has Windows and Ubuntu on it. I reinstalled Ubuntu and then my grub stopped working. Firstly I was in grub-rescue console and loaded my ubuntu with "set root, set prefix, insmod normal, ...
goroshek's user avatar
0 votes
1 answer
524 views

Ubuntu 21.10 Broken Boot - Grub 2 Changes Made to Access Bios Infinite Boot no Display (Bricked)

So I recently bought a friends old custom PC so I could upgrade it. I switched to Ubuntu 21.10 from Windows 10. It worked well for a few weeks and I was learning about Linux having a good time. ...
thenotock's user avatar
0 votes
1 answer
312 views

Clean install of Ubuntu from ISO doesnt run due to grub error 'grub_file_filters' not found

Trying to install latest version of Ubuntu from ISO into bare metal machine. machine is completely empty, one NTFS formatted HDD and one USB stick with Ubuntu ISO connected. getting: error: symbol '...
SloppyPuppy's user avatar
0 votes
0 answers
3k views

Accidentally I broken my system. Kernel Panic! VFS unable to mount root fs

I'm on Ubuntu Impish Indri 21.10. after Upgrade Ubuntu Hirsuite Hippo 21.04 to Impish Indri 21.10, i get Kernel Panic when i boot the Ubuntu after i accidentally force do-release-upgrade I tried to ...
abu-ahmed al-khatiri's user avatar
1 vote
0 answers
869 views

grub rescue: “error: disk 'hd0' not found.”

The PC with Ubuntu 20.04.2 LTS turn into grub rescue. error: disk 'hd0' not found. grub rescue> ls grub rescue> Like that, when I type ls, only a new line character outputted. Any solutions?
Chen-Y0y0's user avatar
-1 votes
1 answer
3k views

how i fix cryptodisk not found in grub

please guys help me in this problem! i install ubuntu on full encryption system. and the i remove the passphrase of the harddrive. i ise that command: cryptsetup luksRemoveKey /dev/sda2 but when i ...
IamAmine's user avatar
1 vote
0 answers
3k views

Grub Rescue / attempt to read or write outside of disk hd0

I am trying to install Ubuntu 20.04 (latest LTS version) on an old computer (Toshiba satellite). I am in the middle of rebooting process and I have the 'attempt to read or write outside of disk hd0'. ...
Rana Yehya Mohamed's user avatar
0 votes
0 answers
388 views

grub rescue> ls (hd0,msdos7) error: unknown filesystem

Recently I was trying to remove dual boot from my PC, I was using Linux as well as windows but later I wanted to use it as standalone Windows PC. So I deleted the partition were my Linux system is ...
Savy Tech's user avatar
0 votes
0 answers
28 views

During routine use system freezes. Upon reboot, "error:no such device; error: unknown device"

Since 2017, I've had my laptop setup to dual boot windows 7 (from the internal drive) and Ubuntu (the default; from an external drive), in those 4 years it's been fine and there's been no change to ...
Feral Shade's user avatar
0 votes
1 answer
442 views

Grub rescue for dual boot linux os

Two days ago I tried to install debian linux alongside ubuntu just because of some recommendations, but yesterday I deleted the whole debian os and it seems that ubuntu's boot loader wont work and I'm ...
amiraloi's user avatar
0 votes
0 answers
76 views

Error message after installing ubuntu 20.04 atempt to read or write outside of disk hd0 while starting the computer

It shows the error attempt to read or write outside of disk 'hd0' Entering rescue mode Grub rescue>
Randhir Mehto's user avatar
0 votes
1 answer
2k views

Access grub menu on Ubuntu Core 18.04 (Raspberry Pi 4)

I have installed Ubuntu Core 18.04 on raspberry pi a few months ago with NextCloud. I turned it on again yesterday. After a few minutes on, it restarted. I guess it did automatic updates (which is ...
Shachar Oz's user avatar
1 vote
0 answers
28 views

Ubuntu 18.04, Lost control of brightness after grub crashes

I updated ubuntu version 16.04 to 18.04 on my Dell Vostro-3478 almost a year ago. Last few days, the screen was freezing again and again and i had to restart it each time. The grub crashed yesterday ...
suhani's user avatar
  • 11
0 votes
0 answers
28 views

Grub Rescue Error. I can boot but need to enter commands again and again [duplicate]

When I installed Ubuntu I had only windows. So I had the GRUB MENU showing all the options. Now recently I thought of downloading POP_OS! but after downloading I found that I cannot get the Grub Menu. ...
Rushi Kaneria's user avatar

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