GRUB2 is the next generation of the GRand Unified Bootloader (GRUB). Ubuntu has used GRUB2 as the boot loader since 9.10 (Karmic Koala). Commonly referred to as simply "GRUB".

learn more… | top users | synonyms (2)

1
vote
4answers
13k 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 ...
0
votes
0answers
20 views

Boot stuck at violet postgrub [duplicate]

Possible Duplicate: There's an issue with an Alpha/Beta Release of Ubuntu, what should I do? New Ubuntu 12.10+gnome-shell fails on Boot on my Asus-Board, AMD Proc and RADEON HD57xx ...
0
votes
1answer
326 views

Why does Eclipse keep crashing and dpkg erroring out?

I am getting the error: E: Sub-process /usr/bin/dpkg returned an error code (1) This happened while I was trying to upgrade my PC. I use Eclipse and it keeps on crashing. Please help. Here's the ...
0
votes
1answer
383 views

How do I change the number of kernels that stay on boot menu?

I'm having an issue with the current kernel and was recommended to install the newest mainline kernel. However, with only two kernel boot options (3.2.0-24 and 3.2.0-25) I'm afraid I'll lose the ...
0
votes
2answers
833 views

I messed up grub ubuntu 12.04

I was playing around with super boot manager and it's pretty gui features, and ended up messing up everything. I had it working really well before I started messing with super boot manager. Previous ...
2
votes
1answer
494 views

Ubuntu Graphics Card boot issue

I upgraded to Ubuntu 12.04 because Gimp wouldn't install on 11.10. Said some conditions were not fulfilled. I upgraded and the graphics went for a toss. I was told by a friend to install the OpenGL ...
2
votes
2answers
988 views

Grub in rescue mode after (failed) upgrade to 12.04

I am an 81 year old pretty much newbie. I decided to upgrade my netbook to 12.04 from a USB and got an error message: "the symbol 'grub_xputs' not found" and a grub rescue prompt. My eee 901 has a ...
0
votes
1answer
222 views

General rules for converting grub entries to grub 2?

I would like to change an entry for a solution to boot from CD from legacy grub (looks like title bla bla bla) to an entry to a format compatible to grub 2 (the one that looks like menuentry "bla bla ...
0
votes
1answer
7k views

error : hd0 out of disk grub rescue [duplicate]

Possible Duplicate: Fresh install won't boot, error: end of disk My laptop Asus eee pc 1001 PX fell down and cannot boot anymore. I was on ubuntu 12.04. Here is what happen on start up ...
0
votes
1answer
699 views

Dell M4600 with nVidia Quadro 2000M hangs on boot when external monitor is connected

I have a problem with my fresh installed Ubuntu 12.04 LTS on my Dell M4600: nVidia quadro 2000M i7-2860 16GB ram 128GB SSD Dell/Samsung 750GB HDD IPS RGB laptop display When it is connected via ...
0
votes
2answers
2k views

UbuntuStudio 12.04 does not boot after install - no “intrd” image

After installing Ubuntu Studio 12.04 from DVD onto the fourth hard disk, it fails to boot, even when explicitly choosing the fourth hard disk as the boot device. I have SUSE 11.2 on the first 2 SCSI ...
2
votes
2answers
6k views

No boot option after installing Ubuntu 12.04 LTS on Acer Aspire 4736z with Live CD

I am facing a problem. After installing Ubuntu 12.04 LTS using Live CD, at the reboot there is no boot option to choose the OS. I directly get logged into my Windows 7. Before that i was having an ...
4
votes
2answers
13k views

Cannot boot to Ubuntu, though installation was successful

I installed Ubuntu 12.04 on an HP Pavilion H8-1228 computer via USB flash drive. Installation was a success. My computer still starts Windows, but there is no way to boot to Ubuntu. I tried hitting ...
1
vote
2answers
3k 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
4answers
1k views

Triple boot vista xp ubuntu

My partition table is pretty messed up from install/uninstall os and what I want to do now is to clear that and have vista/xp/ubuntu 12.04 on the same hard drive. I have create a new partition for xp ...
1
vote
2answers
1k views

Why did Windows XP disappear from the menu on my triple-boot system?

I have Windows XP installed, followed by Mint 12 and finally Ubuntu 12.04. I did a sudo grub-install /dev/sda followed by sudo update-grub. On rebooting all was fine and the boot menu had Ubuntu ...
2
votes
1answer
731 views

After installing Wubi to a different drive than Windows, why is my bootloader gone?

I used the windows installer of ubuntu 12.04 to download and install Ubuntu. I remember installing Ubuntu in different drive than that which contains Windows-7, it asked me to restart and when I did, ...
2
votes
1answer
4k views

Update GRUB to reflect changed partition location

I currently have 3 partitions: Windows, Ubuntu, and swap. I want to move my windows partition by about 20GB. When I try to do this in GParted, it tells me that this will mess up GRUB, and that there ...
1
vote
1answer
1k views

Booting Ubuntu 12.04 from external eSATA disk

This is my system topology: Disk #1 (SATA Internal) C: D: (Windows 7 Ultimate) Disk #2 (SATA Internal) E: (Windows Backup) Disk #3 (eSATA External) H: I: (Other windows ...
1
vote
1answer
88 views

Replacing the login screen

I removed the login screen from ubuntu because it was the wrong one... but instead of reverting back to the default screen, it just goes blank after the boot! What do I do now? I'm almost certain I ...
1
vote
2answers
8k views

VFS: Cannot open root device [UUID] or unknown-block(0,0) / Kernel panic not syncinc VFS

I am running Ubuntu 11.10 x86-64 in Virtual Box. While shutting down the last time the system ran normally, it seemed to have hung up, so I just killed the system. When I wanted to boot it again, ...
0
votes
1answer
166 views

have lost grub been overwitten by w7 recovery

accidently I chose recovery of windows in my grub menu and it promptly overwote now I dont have any boot at all. I have tried various methods with no success for example as below but when I get to ...
1
vote
0answers
215 views

Grub Stuck after install [duplicate]

I had Windows 7 running initially -- however, because a million people are complaining that the Alienware M17 from a few years back running Radeo HD3870 x2 are getting BSOD's left and right, I decided ...
1
vote
3answers
3k views

Acer Aspire Backlight Problem

I have the same problem as found on this link Screen turns black after booting, backlight only works in recovery mode on an Acer Aspire 5736z I've never used any Linux before so if someone could ...
6
votes
2answers
6k views

Accidently installed grub to usb

While doing a fresh ubuntu install (dual boot with XP using resize), I somehow managed to install grub to the source usb instead of to the harddrive. Normal harddrive boot goes straight to XP. Booting ...
7
votes
3answers
24k views

frequency out of range - please change display mode

I just downloaded the latest version of the Ubuntu live CD, and have installed it on a desktop computer (a Fujitsu Scaleo P). Once installed it seems to work perfectly, although there are some updates ...
0
votes
0answers
105 views

Ubuntu freezes after grub [duplicate]

Possible Duplicate: What should I do when Ubuntu freezes? I have a dual boot system with Windows 7 and Ubuntu 12.04. After cloning my 320 GB HDD to a 500 GB HDD, my system freezes ...
2
votes
1answer
3k views

Installed Ubuntu 12.04 LSD alongside with windows 7. No boot menu

I have installed Ubuntu 12.04 LTS 64-bit alongside with windows 7. During installation I choose Something Else and partitioned as followed: Partition Screenshot And choose /dev/sda for boot loader ...
4
votes
2answers
5k views

How to make grub stop appearing every time I boot?

I'm using Ubuntu 12.04 and grub selections appear each time I boot. This happens on both of my computers. I have tried editing the /etc/defaults/grub to use default, to use the 0 entry, and ran the ...
4
votes
2answers
3k views

Why can't I install GRUB on my USB drive?

I'm trying to install Lubuntu to a USB drive, but I'm having a difficult time installing GRUB to the drive. The rest of the install seems to go fine. This is what I have tried Went through the ...
1
vote
1answer
3k views

Complete black screen after install/update/restart in Ubuntu 12.04 [duplicate]

Possible Duplicate: My computer boots to a black screen, what options do I have to fix it? I just set up Ubuntu 12.04 by using my USB flash disk. Installation justed worked fine, but after ...
2
votes
5answers
241 views

Delete all traces of windows from Ubuntu

I used to have a dual boot in one of my hard disk drives - Ubuntu and Windows 7. Then, I added a SSD which is now my main hard disk drive, and I'm using it for Windows 7 completely, keeping Ubuntu in ...
3
votes
1answer
8k views

GRUB install error

Whenever I try to install Ubuntu, I get a fatal error that reads: Executing'grub-install /dev/sda' failed. This is a fatal error. Its the same as this, but my graphics appear to be running fine. ...
1
vote
3answers
5k views

How change what kernel boots Ubuntu XEN VPS?

I have a VPS running Ubuntu server 12.04. A while ago, my host installed an alternative kernel (one of Amazon's EC2 kernels) to fix a boot issue I was having. Now, 2 Ubuntu releases later, this kernel ...
6
votes
3answers
37k views

How to fix 'grub error file not found' when installing 12.04?

i'm trying to install Ubuntu. I don't know if it is important, but i'm trying to install it on external HDD. In the end i have external bootable HDD which only displays: error: file not found grub ...
0
votes
2answers
1k views

Dual boot 10.04 and 12.04

I'm currently running 12.04, my 160GB hard disk is messed up, I'm going to completely format it. Here is what I want to do: Keep 10 GB for 10.04 / Keep 10 GB for 12.04 / Keep 4 GB for /swap rest for ...
2
votes
2answers
3k views

Frequent grub rescue error: unknown filesystem [closed]

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 ...
9
votes
5answers
37k views

Configure Dual Boot, Windows 7 and Ubuntu 12.04 with or without EFI

I have just installed Ubuntu 12.04 on a laptop with Windows 7 but I don't get to boot from Ubuntu. First, during the installation I made these partitions (may be too many): /dev/sda1 FAT32 SYSTEM ...
0
votes
3answers
4k views

Grub Doesn't Display after installing Xubuntu 12.04

I just installed Xubuntu 12.04 alongside Windows XP. I specified my own partitions. However, on boot Grub doesn't seem to appear with the monitor showing "No Signal". After approximately 10 secs (the ...
0
votes
2answers
330 views

GRUB configuration not responding

Recently, I tried to reconfigure GRUB to boot kernel 3.2 instead of 3.4, but by booting, GRUB is not responding to any changes I make in the grub.cfg file. Editing /etc/default/grub and updating it ...
3
votes
1answer
794 views

How do I set up GRUB to display on 2 monitors?

How do I set up GRUB to display on 2 monitors? I have a laptop plugged in to a external monitor. Most of the time, I leave the laptop closed, and just use the monitor, but when I boot up, I have to ...
2
votes
4answers
4k views

All files gone after running fsck. How can I recover my files?

I installed Ubuntu server 10.04 LTS. It worked great for many months, until today I decided to run fsck on the system partition and although it warned me, I kept pressing yes and now it will only boot ...
2
votes
1answer
2k views

How do I permanently reduce Grub waiting time?

I edited /boot/grub/grub.cfg to reduce the Grub waiting time, but after recent update resets grub.cfg file to its initial state. I know there is a way to make it permanent, but I don't know how. ...
0
votes
1answer
2k views

Ubuntu not showing on grub menu

I've unchecked some wrong box in grub-customizer and now grub menu shows only windows. Can I boot Ubuntu using grub CLI and resolve this because I don't have Ubuntu live CD.I've even tried Super grub ...
6
votes
2answers
16k views

Missing vmlinuz from /boot

I am running a laptop with Windows 7 and Ubuntu 12.04. I had grub issues following a partition resize which were eventually found to be problems due to missing kernel files. (These problems did not ...
0
votes
0answers
220 views

“Unknown Filesystem” error without CDROM [duplicate]

I've got a problem with Ubuntu 12.04 LTS. At first I ran mount command on terminal. Then I restarted my computer. After that, when my computer opened there is writing this: error: unknown ...
1
vote
3answers
188 views

A routine update wrote Grub in the MBR; how do I undo it?

I have Ubuntu 12.04 and Windows7 installed onto a machine so that I could boot into either one. I wanted to keep using the Windows bootloader (actually EasyBCD), so I made sure that I didn't install ...
18
votes
1answer
106k views

How do I boot into recovery mode?

I recently tried booting into the Grub2's menu entry "Ubuntu GNU/Linux, with Linux 3.2.0-24-generic-pae (Recovery Mode) just to see what was there. It booted successfully, but I had no idea what to ...
0
votes
1answer
225 views

how to upgrade Ubuntu 11.10 to Ubuntu 12.04 LTS using Ubuntu 12.04 Desktop DVD

I am using dell inspiron 1545 laptop, dual boot OS WinVista & Ubuntu 11.10, I have got a Ubuntu 12.04 LTS Precise Pangolin Release i386.iso I want to Upgrade to Ubuntu 12.04 from 11.10 from the ...
0
votes
6answers
4k views

12.04 refuses to install with Windows 7

I have a desktop computer with windows 7 installed on it. Recently I downloaded Ubuntu 12.04 and burned the ISO image on a new blank DVD. After successfully burning DVD, I booted from the DAD. Ubuntu ...