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

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26
votes
5answers
336k 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 ...
20
votes
6answers
222k 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 ...
9
votes
5answers
44k 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
15k 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 ...
6
votes
2answers
154 views

grub rescue -> no such partition

I have a big problemm with my computer... I have reduced the windows partition and when I reboot then I have the grub rescue with the error message : no such partition. Moreover, I don't have access ...
5
votes
2answers
11k views

Grub rescue problem after installing ubuntu

I have windows 7 installed in my internal hdd and wanted to try out Ubuntu so I got a USB to put Ubuntu LiveUSB on and installed Ubuntu on an external HDD and everything worked out fine. Now the ...
4
votes
1answer
3k views

Error: no such device grub rescue

Summary: I keep getting the error: no such device grub rescue, after installing 12.04 (erasing an old 12.04 installation beforehand, but using the old /home mount, from a different HDD) I have two ...
4
votes
3answers
504 views

Ubuntu doesn't boot due to GRUB-Problems

Users out there, I came here with the spark of a hope, that you could help me. I want to get rid of my old WinXP, because the Game-Support for it seems to slowly expire now... So I took a second ...
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 ...
3
votes
1answer
2k views

Grub rescue prevents live cd/usb or boot menu

TL;DR: grub rescue comes up and won't let me even load bios, boot menu, or fire up live cd/usb. Laptop is EUFI capable, with Windows 8 on one partition. I have a Lenovo Ideapad which just came in ...
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 ...
2
votes
3answers
10k 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
3answers
16k 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
71 views

Difference between alternate and desktop 64 bit? and how do i find out which one i am using now?

My system has crashed because of deleting a partition that i should not have deleted. Now i want to create a liveusb but i am confused whether i should make the liveusb with the alternate of desktop ...
2
votes
1answer
62 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
2answers
194 views

recent upgrade puts grub to rescue prompt

I woke up this morning to see the grub rescue prompt complaining about some highlight color being invalid. Apparently the upgrade to 14.04 was installed last night after I went to sleep. So I am ...
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: ...
2
votes
2answers
2k views

Installed ubuntu on external hardrive, tried to boot got grub rescue?

I installed Ubuntu 12.10 onto an external hard drive after I partitioned it and everything went well. Assuming I could boot Ubuntu I rebooted the computer and I went into Windows 7, I wanted to be in ...
2
votes
3answers
1k views

upgrade from ubuntu 12.04 to 12.10 failed, now loads “grub rescue”

I attempted to upgrade from 12.04 to 12.10 last night. Installation seemed to go fine, and this morning I had a message like "restart now to complete installation". So I restart, get an initial ...
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 ...
2
votes
2answers
29k views

How can I boot into Windows from GRUB rescue without a CD drive?

This is my situation: I Installed Ubuntu without a CD (using A USB) Dual boot installation (Windows 7+Ubuntu) I did not like the installation and decided to boot into Windows and delete the Linux ...
2
votes
2answers
11k views

Grub Rescue prompt after 12.10 upgrade

Dual boot HP desktop that had Windows 7 and Ubuntu 12.04 working fine until yesterday. Upgraded to 12.10 and the grub install gave an error of not being able to write to the boot sector. It looks ...
2
votes
2answers
3k views

Frequent grub rescue error: unknown filesystem

It's really frustrating. Three week's back story: I faced the following error on ubuntu 10.04 LTS Desktop, error : unknown filesystem grub rescue> I tried many solutions online apart from 1 ...
2
votes
2answers
41 views

Accidentally messed up my filesystem wtih mv - Grub Rescue>

Let's start with saying that I'm a very inexperienced not-so-poweruser. Last night I was trying to move every file in a directory to another location, but accidentally did this: mv stuff /* ...
2
votes
1answer
2k views

Fixing Windows 8 after removing ubuntu [duplicate]

I tried installing Ubuntu (successfully) on my Windows 8 machine so i could develop in c and it worked decently for a while. I did this without wubi. However, I later got a virtual machine to run ...
2
votes
1answer
3k views

Insmod error in grub: symbol not found:grub_realidt

I have a dual boot PC with Windows 7 and Ubuntu. I upgraded from 12.04 to 12.10 and then to 13.04 and since then I have not been able to boot because the PC goes into grub rescue with the error "File ...
2
votes
0answers
78 views

grub customizer broken after changing grub backround image option

As you can see from the paste I have a dual boot laptop with win7 and Ubuntu 12.10. The grub broken after messing around with background picture with grub customizer.I didn't proceed to any change ...
2
votes
1answer
1k views

initramfs prompt “mount: can't read etc/fstab” after grub rescue

I had a bootable USB key witk ubuntustudio with two partitions: /dev/sdb1 with Ubuntu and a fat32 /dev/sdb2. Then I realized that Windows only reads partitions if they are the first. So I moved ...
2
votes
1answer
885 views

Accidentally deleted Ubuntu partition, Windows 8 hibernated, cannot access bios to boot from USB. Help?

I made a mistake I completely regret. After I deleted my Ubuntu partition in Windows 8, my battery got too low and I lost power. I plugged in the cord and restarted the machine and was hit with a GRUB ...
2
votes
2answers
638 views

Ubuntu 12.04.1 SW RAID GRUB “out of disk”, but works when I remove one disk

I have installed Ubuntu 12.04.1 LTS AMD64 on an old Dell D630 with 2x 1 TB HDDs in a RAID1 array. The second disk is located in the D630's media bay where the CDROM used to sit. This setup works ...
2
votes
0answers
678 views

Can't have overlapping partitions

I have a machine running ubuntu 12.04 and windows 8 on dual boot. I created a ntfs partition to do easy switching but as there were only 4 partition possible, I unknowingly deleted system reserved ...
2
votes
0answers
4k views

How to restore GRUB when Windows 7 MBR lost it? [duplicate]

Possible Duplicate: How can I repair grub? (How to get Ubuntu back after installing Windows?) My dual boot desktop was running only Windows 7 until it crashed on a windows update. Couldn't ...
1
vote
3answers
8k views

Grub error 17 and 18 - grub rescue - how to boot again?

I've read several similar grub error questions and answers, researched on Google (a lot), but still have not found a solution to my problem. I have an "old" notebook where I've installed Windows XP ...
1
vote
3answers
13k 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
3answers
880 views

Deleted entire harddisk. Now my laptop won't boot anything and stuck at grub rescue!

My laptop is Dell Inspiron N4030. I used to use Ubuntu 12.04 and it was on the entire hard drive. I tried to install windows 7 but my laptop couldn't install it. So, I decided to delete the entire ...
1
vote
2answers
120 views

Dual Boot problems (Win 8.1 and Ubuntu 13.10), Boot-repair didnt work

I have preinstalled Windows 8.1 and Ubuntu that I installed a week ago on my Laptop Lenovo E530. After my first installation of my Ubuntu 13.10 as Dual Boot, I could not to log in to Windows again, ...
1
vote
3answers
123 views

What should I do if I delete the boot folder

I change the partion of the system with Geparted in the liveusb, ignoring some warning. Then reboot, 'grub>' appears but I can not find the boot or grub folder anymore. Afterward, I reinstall ubuntu ...
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 ...
1
vote
1answer
27 views

Grub rescue - Error Unknown Filesystem

I am using windows 7 ultimate and Ubuntu in my home desktop. When my local disks were about to get filled up, I tried to delete the Ubuntu partition. I did it from windows. I right clicked on my ...
1
vote
1answer
44 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
1answer
7k views

What mount point should I use? [duplicate]

I just installed Ubuntu twice and I get a GRUB Error. I think it's because of the mount point. Since I put it at the root of the HDD. Where do I put it? Is it / or /boot? Or am I completely wrong? ...
1
vote
2answers
227 views

Problems uninstalling Ubuntu, trying to put XP back on [duplicate]

I have an Acer Aspire One ZG5 netbook that came with Windows XP. It was loaned to someone, who then put Ubuntu on it. I know nothing about Ubuntu, so I looked for information on this site for help. It ...
1
vote
1answer
2k views

Error: hd0 cannot get C/H/S values. grub rescue >

The power supply went out on our machine. We replaced the power supply. Now when we boot up, all we get is a blank screen with a blinking cursor. So we hold shift during boot up, and this error is ...
1
vote
1answer
2k views

Windows 7/Ubuntu 12 dual boot deleted for Windows 8 installation. How to make grub rescue go away?

I had a Windows 7/Ubuntu 12 dual boot and I decided to clean install Windows 8 over them. The problem is that after I deleted all partitions and installed windows I was getting an "Operation system ...
1
vote
1answer
1k views

Unknown File System, after delete Ubuntu partition

I deleted the partition which contains the Ubuntu 12.0.4 OS. I have Windows in another partition (dual boot). When I reboot the system, it shows me the following. unknown filesystem. grub rescue> ...
1
vote
2answers
3k views

Unable to boot post upgrade to 12.10 from 12.04 on a dual boot PC

I have a dual boot PC with Windows 7 and Ubuntu. Last night I upgraded from 12.04 to 12.10 and since then I have not been able to boot because the PC goes into grub rescue with the error "File not ...
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 ...
1
vote
1answer
621 views

Ubuntu Grub restore (12.04 LTS)

I reinstalled Windows 7, but I lost the grub loader. Is there anyway I can access my Ubuntu partition again?
1
vote
1answer
3k views

How to make grub detect an old OS after formatting `/boot` partition

I had set my PC like this: /boot - 250 MB ext3 / 100 GB ext4, Kubuntu Now I needed to install Ubuntu so I made a new 8 GB partition as / and formatted the previous /boot partition and set that ...
1
vote
2answers
3k views

About grub rescue command line

Please help me.. I have two hard disk in my laptop..window 7 and ubuntu.. I have problem to back in option menu..because i enter one of the list of ubuntu.. In option menu,,have a list which operatg ...