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

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14
votes
3answers
189k 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 ...
0
votes
0answers
10 views

Grub rescue Unknown file system

I have a new up computer that was running Ubuntu fine on first day had but after its first upgrade something has gone wrong and it is now in grub rescue mode. I'm considering sending it back but was ...
1
vote
2answers
64 views

Windows 10 update ruined by Windows/Ubuntu dual boot

I had a Ubuntu/Windows 7 dual boot set up on my laptop. An updater tried to install Windows 10 in the middle of the night and now when I start the laptop, I get the grub rescue prompt. I tried this ...
0
votes
2answers
3k views

How to solve Grub rescue and/or mounting hard drive problem

So, I have important files in this hard drive, and I need pick up them. To sum up, I had two HD on my machine: one with Ubuntu GNOME 14.04 and another two with Windows 7. I had to connect another HD ...
1
vote
0answers
19 views

Stuck at grub rescue prompt after terminating a windows installation

I recently began the installation process of windows 7 on my Ubuntu machine. When I got to the format option on the Windows OS install prompts, I remembered I had some files on my Ubuntu OS that I ...
1
vote
1answer
4k views

error: no such device grub rescue Windows 7

I have a hard drive with Windows 7 installed on and I wanted to install Ubuntu 12.04 onto an external hard drive. So I made a LiveUSB with Ubuntu 12.04 on and installed it to the external hard drive. ...
1
vote
0answers
20 views

Disk partition on Windows resulted in: GRUB rescue error: no such partition. Ubuntu boot folder does not exist on any partition

I knew almost nothing about file systems and that caused the large story for me. There were many questions on this topic and nothing could help me. Sequence of the story is next: 1) I had on my ...
0
votes
0answers
32 views

partitions not showing while installing ububtu 15.04

While installing Ubuntu none of my partitions are showing. I have Win 10 on dual boot which was running before installing Ubuntu . On a live boot all of my data is safe untill now & my Win 10 is ...
1
vote
0answers
40 views

Grub rescue error: Unknown Commands + Unknown FileSystem + Live Usb

I have been given an Asus EEE Pc 1201PN where Ubuntu and Windows 7 used to live in a dual-boot. When running Windows 7, the Ubuntu partition has been erased and thus, Grub is not working anymore when ...
1
vote
1answer
27 views

Grub Rescue prompt appears after deleting Ubuntu partition. Can't boot Windows

I have an HP Pavilion dv 9543 cl. I decided that I wanted to update Win Vista to Win 8 several years ago, but did not know how to remove grub 2, so I naively decided to simply remove the Ubuntu ...
1
vote
0answers
42 views

How do I boot the Ubuntu OS istalled on a 32GB USB drive?

I installed Ubuntu 14.04 OS on a 32GB pendrive. But when I tried to boot from the USB drive, it goes into grub rescue mode. I am not talking about creating a bootable pendrive. I installed the Ubuntu ...
-1
votes
2answers
54 views

Unable to boot without 'grub rescue> ' commands [closed]

I have a system with dual boot (debian 8/ windows 8)After i formatted a drive from windows 8 i'm unable to boot even from usb, always it says 'Unknown Filesystem'. Now, I can only boot the linux by ...
2
votes
2answers
169 views

Grub rescue after udpating to Ubuntu 16.04

I tried to install Ubuntu 16.04 on another computer running Ubuntu 14.04 from a bootable USB stick. During the installation I chose not to delete the existing files, but only to remove Ubuntu 14.04 ...
1
vote
2answers
8k views

grub rescue> during windows 10 update

I had ubuntu and Windows 8.1 simultaneously installed on 1 hdd and I Upgraded windows to windows 10, but during the installation, my laptop rebooted and now im stuck error: no such partition. ...
1
vote
1answer
5k views

ubuntu 14.04 Grub Rescue error

So I installed linux (ubuntu) yesterday on a fresh hdd with a disk. It worked fine till today when it froze after I had had it in sleep mode and I had to turn it off and on again to be greeted with a ...
0
votes
1answer
32 views

Can't boot into my windows [duplicate]

I had dual boot with windows as my primary os and ubuntu. I booted into my windows and formatted the partition used to install ubuntu. Now when I restart the machine and it gives me error: unknown ...
6
votes
5answers
63k 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 ...
0
votes
0answers
19 views

Error: unknown filesystem when Restarting

I am using a dual boot laptop with Windows XP Pro and Ubuntu Recently, I migrated my old HDD to a larger SSD and re-installed Ubuntu (16.04 32bit) Although the Grub 2 boot-loader works perfectly ...
0
votes
0answers
51 views

error: no such partition Entering rescue mode… grub rescue>

I had Windows 10 on my system. I thought to try Ubuntu. On the live mode everything was okay with my partition. I started installation and after it completed I lost all partitions. Then on this forum ...
0
votes
0answers
15 views

GRUB Rescue Needs Emergency Murder Tech…Or A Bullet To the Bean

I used to LIKE Ubuntu, but now it's impossible to get it to work well with Windows. (That didn't come out right; Windows 7-10 is more problematic than earlier platforms). I couldn't figure out how to ...
3
votes
1answer
6k 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 ...
0
votes
4answers
10k views

Stuck in GRUB Rescue Mode

I messed up my new laptop while trying to set up a dual-boot with Ubuntu and Windows 8.I did a whole bunch of stuff trying to get it to work and now when I try to boot I get stuck in GRUB's recovery ...
0
votes
0answers
30 views

Error in installing boot-repair

It reports problems regarding some recurring loop. Help me out here please. sudo apt-get install -y boot-repair [sudo] password for parashuram: Reading package lists... Done Building dependency tree ...
0
votes
0answers
21 views

Grub2 missing partitions. Fix? [duplicate]

I recently made a post because Grub wasn't finding the partition (Grub 2 - Change hard drive, how to point grub to right partition?). I assumed this was because I was trying to boot externally, via ...
0
votes
0answers
27 views

Grub 2 - Change hard drive, how to point grub to right partition? [duplicate]

I have recently installed grub on my internal hard drive. I have swapped out my hard drive with an solid state drive. I am attempted to boot to my original hard drive (the one with grub installed to ...
0
votes
0answers
36 views

stuck in grub rescue on ubuntu 15.10

My problem started after running "delete MBR" from tesdisk at terminal, then rebooting and all I get black screen with: "error Entering rescue mode... grub rescue>" I've tried some tutorials kind of ...
0
votes
1answer
58 views

Grub Rescue help!

i am having issues loading my dualboot Windows 7 laptop. I am currently at the grub rescue prompt and this is what I get. grub rescue> ls grub rescue> (hd0) (hd0,6) (hd0,5) (hd0,1) I work my ...
0
votes
2answers
3k views

Fixing grub rescue

I removed the ubuntu partition from windows and extended the volume to a existing windows partition. Earlier I had a dual boot windows and ubuntu. Now it shows me the grub rescue. grub rescue>ls ...
0
votes
1answer
49 views

error: unknown filesystem

I today installed ubunto 15.10 and everything was fine until I switched back to win Os to free a hard drive partition which wasn't allocated to any Os when I deleted it and rebooted my system I ...
0
votes
0answers
39 views
0
votes
0answers
208 views

14.04.3 LTS tries to install bootloader to its own installation media, and how I fixed it

I tried installing Ubuntu Desktop and Ubuntu Server 14.04.3 LTS using the standard text-based install. It kept saying, "Executing 'grub-install /dev/sda' failed. This is a fatal error." The alt+f4 ...
0
votes
1answer
37 views

How to fix “no such partition” error in Ubuntu 14.04?

I'm a rookie to Ubuntu. Before I installed Ubuntu, I had Windows 7. Then I completely wiped the disk (500 GB) using GParted and installed Ubuntu 14.04 with following partitions: / of 30gb swap of 4gb ...
1
vote
1answer
102 views

Ubuntu 14.04.3 Dual boot - No grub menu

I've installed Ubuntu 14.04.3 in a partition along side Windows 10. Grub menu doesn't show up, it directly boots to Windows 10. Here's my boot-repair info: http://paste.ubuntu.com/12864055/ What do ...
-1
votes
1answer
63 views

Why is Ubuntu14.04LTS running beta version of GRUB?

I wiped the data on my 2 hard drives of my rack server and did a fresh install of Ubuntu14.04 LTS minimal server and yet could not boot I get the below error Please see screenshot Why is Ubuntu ...
0
votes
1answer
36 views

Can't install any OS on laptop

I was previously using windows 8 but switched to Ubuntu. Since then I wanted to switch back to windows 10 so I created a bootable usb and when I went to do the windows configuration I deleted all of ...
1
vote
0answers
35 views

Grub rescue mode, bios in order, won't boot from window 7 recovery CD nor Ubuntu 14.04 live cd, nor usb key

Alright. I have (had) an Acer Aspire 4739z. Dual boot Windows 7 and Ubuntu 14.04 I have a grub rescue mode problem since booting in Rescue Mode (by mistake of course). And now the fun starts. My ...
0
votes
1answer
3k views

I deleted boot folder (grub rescue mode) + unable to boot from linux live (from usb stick)

1st problem: I have accidentally erased my boot folder. Now I'm stuck with grub in rescue mode, as I am unable to find /boot to satisfy grub. 2d problem: I tried to boot from a live distro (I tried ...
0
votes
0answers
52 views

error:failure reading sector 0x33002 from hd0

I turned on the laptop and that message has shown on display .... it said failure reading sector 0x33002 from hd0 , entering rescue mode ... grub rescue What should I do ? I didn't try anything ...
0
votes
0answers
44 views

Grub rescue after deleting linux partition

I was running both Windows and Linux, but I've decided to delete it and I accidentally forgot to fix MBR so right now I'm sruggling with grub rescue, and now every time I load I see "error unknown ...
0
votes
1answer
63 views

Dual boot Ubuntu with windows10

I've a old laptop with 500 GiB SATA HDD (blank) and 4GiB RAM. And I want to dual boot with Ubuntu 12.04 and windows 10. By giving 50 GiB for Windows and remaining to Linux. I've setup a 50GiB NTFS for ...
0
votes
0answers
21 views

error on boot, then prompt for grub rescue

My old lenovo atom based notebook. Possibly cooked HD, as on boot I get BIOS only. On booting Ubuntu CD get errors and finally grub rescue> now, get this, on booting and old windows install cd, get ...
0
votes
1answer
52 views

BootRepair doesn't start when trying to recover boot

I have a Lenovo G40 that came with windows 10. I resized/deleted some partitions and now I have 9 partitions, one of them with Windows 10 and other with Ubuntu. Problem is when updating, windows 10 ...
1
vote
1answer
36 views

Entering bios from grub rescue

I was running two os - Windows and Linux, but I've deleted my previous linux distribution because I wanted to install ubuntu instead and I accidentally forgot to fix MBR and right now I'm stuck with ...
9
votes
2answers
33k 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 ...
0
votes
1answer
81 views

Boot fails to Grub Rescue “crypto.mod” not found

I have a remote server, which I have no physical access to. I rebooted the machine over the weekend and it's now refusing to boot, dumping me at the Grub rescue command (I have KVM access). When I try ...
0
votes
1answer
28 views

In grub rescue, I cannot insmod normal

I am running only Ubuntu.I have tried a few "rescue" disks but had no luck. I can find linux partition,and I can do "set" and "preview" with success. When I try insmod normal, I get an error.
0
votes
0answers
23 views

Formatted Ubuntu drive now stuck in grub rescue

Yesterday I accidentally formatted the drive my ubuntu installation was on and now I'm stuck in the grub rescue mode. I initially installed ubuntu by suggestion from a friend several months ago and ...
1
vote
1answer
26 views

How can I get around Grub? [closed]

My ubuntu partition on the hard disk drive is lost. The Cmos/Bios has been locked by a password. The 'Is' command is not recognised by grub. Please help me!!!
0
votes
0answers
77 views

Keep entering to “grub rescue” after minor updates

I have been a happy Ubuntu user for a year now. I have an HP laptop with only Ubuntu and the other day after want I turn on the laptor, it kept showing different errors such as error file ...
0
votes
0answers
60 views

Problems with the “set root/prefix” method in GRUB-rescue

I know there exists plenty of information on the topic, but I still have problems after tinkering for 2 days. I installed Ubuntu 14.04 LTS as DUAL BOOT to my existing Windows XP SP3 Installation. ...