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

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21
votes
6answers
231k views

Fixing GRUB error: “error: unknown filesystem” [duplicate]

When booting into Ubuntu, I'm getting the following error with a grub rescue shell following it: Error: unknown filesystem. grub rescue> I'm not exactly sure what I did. I believe I installed ...
2
votes
1answer
6k views

Ubuntu 12.04 (Wubi) not starting - root.disk corrupted

I have Ubuntu 12.04 installed through Wubi on my laptop. For some reason when i click on Ubuntu on start up (when you have to either select windows or Ubuntu) I get the following screen, the grub ...
28
votes
5answers
359k views

Recovering from 'grub rescue>' crash

I did a dumb thing... I forgot that Ubuntu 10.04 (Lucid Lynx) switched to GRUB 2 which puts a ton of *.mod files (kernel modules) in /boot/grub. I thought they were soundtrack files put there ...
10
votes
5answers
48k views

After update, get “error: file not found.” followed by “grub rescue> _”

I just installed quite a lot of 12.10 updates, was prompted to reboot, and then found that I couldn't boot.
8
votes
1answer
16k views

Booting Ubuntu Failure : error: attempt to read or write outside of disk 'hd0'

I have installed Ubuntu 12.10 in a Western Digital external hard drive (320GB). This is a complete installation, not a live USB. When I plug it in my HP desktop I go to the BIOS settings and boot off ...
2
votes
3answers
18k views

How to fix the MBR for Windows 7?

I have installed Ubuntu as dualboot with Windows 7. Now I'm no longer using Ubuntu so i removed the Ubuntu partition and added the unallocated space to my Windows 7 partition. But after I restart my ...
2
votes
1answer
108 views

Grub rescue problem after deleting Ubuntu partition!

After I deleted Ubuntu partition, I rebooted my computer and got grub rescue problem. What I have tried so far is finding the right partition of ubuntu from grub rescue command by ls command. It ...
2
votes
3answers
12k views

error: file '/grub/i386-pc/normal.mod' not found in ubuntu 13.10

I've installed ubuntu 13.10, but after rebooting I get the message: GRUB loading: Welcome to GRUB! error: file '/grub/i386-pc/normal.mod' not found Entering rescue mode... grub rescue> I have ...
2
votes
2answers
10k views

Grub rescue fails with “Boot Repair” with error “unknown file system” [duplicate]

THE PROBLEM WAS IN FILESYSTEM, THIS IS NOT DUBLICATE TO GRUB RESCUE STANDARD TOPICS. After laptop system crush (which was caused by hard restart), my ubuntu linux is not booting, it is showing now: ...
0
votes
3answers
4k views

How to restore Windows 7 loader

I have this situation: I have Windows 7 installed on my laptop. Then decided to install Ubuntu 12.10 alongside it. The installation was successful and I'm able to have a dual boot, Windows 7 and ...
0
votes
1answer
9k views

error: no such partition. grub rescue> [duplicate]

Possible Duplicate: How to fix "error: unknown filesystem. grub rescue> please help me. I don't know how it has happened. I was recovering some data with Photorec (not sure if it's ...
0
votes
2answers
48k views

How to load Windows 7 from GRUB rescue

I had Windows 7 and Ubuntu installed on the same partition Some time later, decided to uninstall Ubuntu.So I booted Ubuntu,Changed the hd related to it to NTFS,I did NOT extended my main drive ...
1
vote
2answers
2k views

System will not boot without USB thumb drive inserted

I've had this issue before when trying out Linux Mint, but I was unable to get any assistance. I was then lead to believe that it was a problem related to Mint, and not grub. I installed Ubuntu 12.04 ...
0
votes
1answer
306 views

12.04 unable to boot on /sde, upgrade-grub and boot-repair failed

My problem is I've 4 disks in a raid array listed as sda, sdb... sdd and grub 2 refuses to boot on /sde (the 5th disk, standalone and containing a clean install of 12.04 LTS). I tried all solutions ...
3
votes
5answers
14k views

No such partition grub rescue

I'm desperate. I have windows 7 home premium installed on my notebook and I decided to install ubuntu as usual. Nevertheless, I had several problems with the graphic card while installing and I got ...
1
vote
2answers
2k views

ELF header smaller than expected

I have a Dell XMP-13 Ultrabook (SSD drive only) with 12.04 installed dualboot with the original windows. It has been running flawlessly for many many months. Today in the middle of a system update ...
1
vote
5answers
21k views

How to delete grub entirely from grub rescue. Boot windows only

I had installed ubuntu (twice actually) onto the same drive. I wanted to 'try again' since one of them didn't install correctly and the other installed differently, but it worked. I was getting ...
0
votes
1answer
320 views

What happens with Grub Rescue?

My problem is that I just installed Ubuntu 12.10 using Wubi, and since I have Windows XP I decided not to partition my hard drive. The installation went through fine, and when it finished I restarted ...
0
votes
2answers
2k views

Grub shell greets me at boot-up, instead of a menu

After a fresh install of 10.04, trying to boot yields grub> prompt. I am able to boot by typing root (hd0,1) linux /vmlinuz-blqh-blqh root=/dev/sda3 initrd /init-blqh-blq root=/dev/sda3 boot ...
-3
votes
2answers
2k views

Ubuntu 12.10 and Windows XP [closed]

I installed Ubuntu 12.10 on my son's PC. Then I bought a copy of Windows XP and tried to install it, replacing one OS for another. I have followed the advice given in many other similar questions ...
0
votes
2answers
4k views

12.10 64 bit Ubuntu won't boot, grub rescue, file /boot/grub/i386-pc/normal.mod not found

I bought a new computer a couple of weeks ago and installed Ubuntu from a book DVD. Everything went fine and I was happily using Ubuntu until I found out that it was the 32 bit version. I want to use ...
1
vote
1answer
58 views

Grub Rescue Windows 8 & Ubuntu Dual Boot [closed]

I deleted 2 partitions on my hard disk and now, I am unable to boot my PC. The error showing is "no such partition" and a Grub Rescue command prompt appears. I do not have Windows 8 installation CD ...
1
vote
3answers
2k views

Dual-boot Windows 7 and Ubuntu on two SSDs with UEFI

I recently built a new system with (Asus)UEFI and two SSDs for boot drives, and an HDD for storage. I installed Windows on the first SSD through the UEFI, and it works fine, I've been using it for a ...
0
votes
1answer
454 views

Grub rescue unknown filesystem…the ultimate hopelessness

I know the question has been asked so many times but in my case whatever I do as indicated in the following post (all solutions are tried) 'unknown filesystem' is the ultimate reply.. Grub rescue - ...
3
votes
1answer
5k views

HELP! Grub Rescue Mode

I have a laptop which is partitioned with Windows 7 and Fedora 18. I tried to delete F18 in Partition Manager in Windows 7 and then when I restarted my computer it would still go to GRUB launcher and ...
1
vote
3answers
15k views

unknown filesystem, grub rescue

When I try to boot I get this message: error: unknown filesystem. grub rescue> _ results of: grub rescue> ls are as follows: (hd0) (hd0,msdos5) (hd0,msdos1) (hd1) (fd0)
1
vote
2answers
2k views

Can not boot 12.04LTS from USB HDD [duplicate]

I have installed Ubuntu 12.04LTS on an external USB HDD, and put the bootloader onto the same drive. This is so I can interrupt the boot sequence on the PC and force the system to boot from the ...
1
vote
1answer
12k views

“grub rescue>” Can't get past this message in spite of EVERYTHING! There must be a way?

Everybody will understand this problem I think, but somebody will have the solution (I can't find it on here even after searching). It's a straightforward (!) boot up issue (I wish!!!!). I have a ...
0
votes
0answers
447 views

Grub rescue prompt (file not found) after update 12.04 LTS - 14.04 LTS through Update manager

I am an old user but I lost my credential and so I signed up again. Here is my issue (that I am already trying to solve on my own but I need further help please): I had a dual boot ...
0
votes
1answer
2k views

Removing Grub / Restoring Windows Bootloader [duplicate]

I really need you help because I ran out of solutions. I've installed Ubuntu in a USB pen, and I thought that I could use it just by booting from the USB port whenever I wanted to use Ubuntu. What ...
0
votes
2answers
1k views

grub rescue> error : unknown filesystem

I had a laptop with windows 7 and linux operating systems. but i deleted the drive where linux is installed when operating in windows os. Now i am getting grub rescue> I need to enter the windows os ...
0
votes
1answer
873 views

Dual boot “Ubuntu Desktop 12.04” “Ubuntu Server 12.04” grub mess up!

I have a system with two version of Ubuntu in two hard drives, "Ubuntu Desktop 12.04" on the first one (sda1) and "Ubuntu Server 12.04" on the second one (sdb2). (first installed Desktop then ...
0
votes
4answers
16k views

error: no such partition. grub rescue

I had multiboot windows 7 and ubuntu on my Samsung notebook NP305U1A-A07IN. I uninstalled Ubuntu by deleting all unnamed partitions from windows disk partitions as I read on net somewhere. Now I ...