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".

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Windows 7 won't boot from GRUB

I intially had Windows XP. Later I got Windows 7 and after that Ubuntu 13.04. Then i thought of getting rid of XP part. So I used the DiskPart utility and deleted that partition. But when i tried to ...
2
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59 views

How can I get Ubuntu and Windows XP to dual boot? (solved)

I tried to install Ubuntu 12.04 alongside Windows XP Home. Everything appeared to be progressing normally and I was prompted to eject the CD and reboot. The result was: error: no such device: ...
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69 views

Install Xubuntu alongside Windows 8 - EFI

OK, the situation is the following: I have a new Lenovo IdeaPad S4OO Touch with Windows 8 pre-installed and I want to Install Xubuntu in EFI mode alongside Windows 8. I've searched a lot about it in ...
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1answer
64 views

Unable To Install Grub/EFI For Lubuntu

I'm trying to install Lubuntu 13.10 X86-64 on my laptop, but it's not working. Lubuntu itself installs fine, but at then end when it tries to install grub it fails and doesn't write anything to the ...
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1answer
23 views

Can I decrypt my hard drive from the GRUB command line? [closed]

I recently installed Ubuntu 13.10 onto a PC, and ticked the 'encrypt my drive' option during setup. Now I can't enter my encryption key on PC startup. I can use the keyboard to control the BIOS, and ...
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16 views

Asus UL30JT, grub not loading

I have Asus UL30JT notebook, and i can't install any new system. When i try to install ubuntu i see black screen with cursor-"underscore". Looks like problem with nvindia card and it's drivers, and ...
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23 views

window booting option not available after i installed us on ubuntu 12.04 lts on dell inspiron 3521

i tried to install ubuntu 12.04 lts on my dell inspiron 3521 by overwriting ubuntu 13.04 which was working fine along with windows 8 . But neither wireless nor ethernet was working properly . And ...
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1answer
52 views

Removing Grub2 and reverting back to windows 8 boot loader

I'm new to stack exchange and Ubuntu. This question might be repeated but none of the solutions worked for me. I have Ubuntu installed on my external hdd. I could boot it fine without any issues. ...
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44 views

Grub rescue; “no such device” error happens Intermittently

I have three storage devices: ⠀/dev/sda/, an SSD with Windows 8 installed on it (NTFS) ⠀/dev/sdb/, an HDD with a single NTFS partition on it that is shared ⠀/dev/sdc/, an SSD with Ubuntu 13.10 ...
2
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1answer
63 views

Tri Boot on an iMac [closed]

I have a 2013 iMac (desktop) which is running OS X Mavericks, Windows 8 and Ubuntu Raring. I am using rEFInd to do the initial boot up but there are a few problems with this setup: it takes a long ...
3
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1answer
46 views

Ubuntu waits for keypress with purple screen

I have a HP ProBook 4515s with 13.10 on it. When I boot it, it always hangs on the purple screen, before The Ubuntu logo appears. It is not stuck, but it waits until I press any key (I do mean any). ...
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2answers
74 views

Vagrant fails to load because grub2 waits for kernel selection after ungraceful shutdown

I have a Vagrant box with Ubuntu 12.04 LTS. Sometimes after forcing a shutdown (e.g. because the machine became unresponsive) the vagrant box fails to boot the next time. $ vagrant up Bringing ...
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1answer
28 views

Running Ubuntu from External Hard Drive

Hey everyone I'm having issues with running Ubuntu 13.10 off an external drive I have hooked up to my laptop (HP DV6 Windows 7) via USB. Anyhow, I have Ubuntu 13.10 installed on a hard drive which ...
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0answers
53 views

Xen4.3 Hypervisor on Ubuntu 13.10 not booting properly - black screen

I know this seems to be an issue going as far back as Ubuntu 11 and Xen 4.0. I have seen the posts online and have attempted the suggested solutions I could find (disabling gdm and xserver at boot, ...
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0answers
43 views

Completely remove the broken installation and merge its partition [duplicate]

I have 2 bootable installations, one of them is broken, meaning I can't boot it but it does appear in the boot menu. I want to completely remove the broken one and merge its partition with the my ...
1
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1answer
51 views

Ubuntu 12.04 no longer boots on Toshiba Satellite after Windows upgrade

I have a Toshiba Satellite L855-S5372, which came pre-installed with Windows 8. I succeeded to install Ubuntu 12.04 on it (intending to dual-boot), but the UEFI refused to recognize it and went to ...
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17 views

Need acess to partions

I had installed windows xp on my macbook with the intent to transfer over games i had downloaded, within realizing grub is no longer with us, may he rest in peace. I then downloaded software for ...
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0answers
45 views

'Grub' failing to install into /dev/sda

I have a trying to install Ubuntu 12.04 server LTS on a brand new computer with no operating system currently on it. I am using a USB flash drive to install Ubuntu. Whenever it starts to install ...
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0answers
11 views

Grub menu doesnt show

I've installed Ubuntu 13.10 I have only installed Ubuntu 1 time before so I'm a newbie. I had some problems installing, I used nomodeset eventually and it worked (I dont know what it is, so thats why ...
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0answers
15 views

Grub failing to boot

When I went to boot grub failed and went into grub rescue. I couldn't find a boot source from grub rescue and after running boot repair off a live cd when I power on I no longer get to the grub rescue ...
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2answers
19 views

Burnt CD keeps coming up unreadable at install

I have burnt a CD for Ubuntu 12.04.4 in my ASUS laptop and have gotten an error that a file is not-readable. I burnt an alternate CD and then a DVD to see if this was an individual media error. It was ...
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1answer
116 views

Grub menu not showing up at boot

My computer shipped with Windows 8 and later I upgraded to Windows 8.1 Right now I'm trying to get Windows 8.1 to dual boot with Ubuntu 12.04, but the Grub menu doesn't show up at all. My computer ...
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1answer
31 views

Editing 40_custom outputs an error

I edited the 40_custom file so I can boot Linux iso's from a different partition but when I run sudo update-grub from the terminal, i get this: "/usr/sbin/grub-mkconfig: 262: ...
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1answer
49 views

Grub rescue is stuck

I installed Ubuntu 12.04. I erased a Grub file by mistake, now grub rescue doesn't let me do anything. I used Boot Repair, and now my PC is stuck at: error: invalid arch independent ELF magic. grub ...
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13 views

No partition grub rescue

I was running windows 7 and ubuntu with a partition now when I boot up I get an error "no such partition" command line grub rescue\ will I need to reload ubuntu
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3answers
71 views

Is it possible to edit grub.cfg?

I wish to change a menu entry in grub.cfg, for example: From ### BEGIN /etc/grub.d/10_linux ### menuentry 'Ubuntu is wonderful' To ### BEGIN /etc/grub.d/10_linux ### menuentry 'Ubuntu is world ...
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2answers
80 views

Cannot choose windows in GRUB

I have installed edubuntu 13.04 in one of my computers. Now I am unable to select or rather even move the selection in the GRUB during boot time. So Ubuntu is automatically loaded. I am unable to get ...
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1answer
45 views

How can I get boot menu after Ubuntu installation?

I would like to thank you for taking the time to read this. My problem: I tried to install Ubuntu 12.04.4 LTS on a system in my Lab but after the installation when I restarted the system it booted ...
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0answers
81 views

Booting error: “hd0 out of disk”

My computer has this issue where every once in a while, instead of loading GRUB and sending me to the OS menu, it just spaces out for a couple of seconds, sending me to the grub rescue prompt with the ...
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1answer
33 views

Brightness problem in Ubuntu 12.04 Precise Pangolin

I own a ACER ASPIRE5734Z that has a Pentium(R) Dual-Core CPU T4500 @ 2.30GHz × 2. I tried this solution,but did not work out: Open terminal ( Ctrl+Alt+T ) and type: sudo gedit /etc/default/grub ...
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1answer
28 views

/home automatically ecrypted during multi boot?

I was attempting to add a Mint partition to my Ubuntu 12.04/Win7 box, when the whole process went south on me. Mint installed correctly but removed the Ubuntu/Win options from my Grub menu. Attempting ...
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65 views

Can't get to the GRUB menu on iMac G5

I have an iMac G5, I'm trying to install Ubuntu 12.04, but I've had an error that I've gotten the solution to, but the solution requires me to get to the GRUB menu, and I can't seem to do that. I ...
0
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1answer
51 views

Ubuntu cannot start first setup. HELP!

I finished installing Ubuntu 12.10 today. When I booted the OS, it booted normally, but the setup would not start. A few minutes later, it said in white text "Continue to wait, Or Press S to skip ...
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0answers
31 views

Ubuntu 12.04 won't boot into any mode

Recently I built my own PC and have been struggling to get Ubuntu 12.04 installed on it. I have a 16 GB RAM machine with an Asus M5A99FX PRO R2.0 motherboard, an AMD FX8350 processor and an AMD R9 ...
0
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1answer
72 views

Boot .efi files from GRUB2

I've bought a Sony VAIO with UEFI booting and came with Windows 8 preinstalled. I successfully installed Ubuntu 13.10 and Windows 7 (triple-boot) and fixed the UEFI boot so GRUB2 is loading. I was ...
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0answers
16 views

How can I wirte the GNU GRUB boot CD in Hard Disk

I could not have dual boot in my hard disk. when I fix the hard disk for dual boot Windows 7 / Ubuntu using EasyBCD dont boot Ubuntu 12.04 LTS, when I fix the hard disk for dual boot Ubuntu / Windows ...
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0answers
30 views

Ubuntu boot problem. Grub rescue

I use HP pavillion dv6. I installed ubuntu 13.10 after using gparted in try version to remove all the partitions from my previous dual boot(windows 7 and ubuntu 12.10). I had to install the new Ubuntu ...
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0answers
27 views

filesystem issues-ext4

I installed Ubuntu 12.04 on my Compaq Presario CQ57 laptop that was previously running Windows 7 before it acquired a terrible virus that caused it to stop working. Once installed Ubuntu worked fine ...
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0answers
42 views

Brightness Issues on HP Pavilion 15-n042se Notebook PC

I have installed Ubuntu 12.04 LTS, I found that I can't control the display brightness with the hotkeys (F2 and F3) or even from GUI (Brightness and lock screen), I don't have any control on the ...
2
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4answers
122 views

How does the grub bootloader know?

I am not understanding how it comes to know which kernel image to load? I have so many. Once I had created my own kernel and recompiled. How does it come to know that this is the one to load?
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votes
1answer
46 views

In grub went into system settings and changed priority of boot drives, now only booting to grub rescue. Help?

Whenever I power on I get this screen, where I can enter commands: error: no such device: e9e6b763-5dcc-821b-acc69c2eaaee. Entering rescue mode... grub rescue> I have seen some other posts of ...
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0answers
35 views

Persistent error when trying to install Ubuntu using USB method [duplicate]

I've been trying to install Ubuntu onto my SSD using a bootable USB that I created using the Ubuntu ISO and UNetbootin. However when I restart my computer, press F8, and choose to boot from the USB, I ...
0
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4answers
209 views

ctrl+alt+f7 and ctrl+alt+f8 not changing back into the X session!

I have Ubuntu 12.04 lts and I want was opening my pc and after the grub menu, the screen went purple. Ubuntu didn't load after that and the hard drive activity stopped. So I restarted the pc inti ...
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0answers
46 views

How do I fix this error while trying to install Ubuntu from a USB?

I'm trying to install Ubuntu onto my SSD drive, which already has Windows 8.1 on it. I've created a bootable USB drive with Ubuntu 13.10 on by using unetbootin (I also tried tuxboot, but that didn't ...
0
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1answer
37 views

Setting up the GRUB for future use

What I am currently working on is trying to set up my partitions/ grub to eventually dual-boot. Currently for partitions, I have: the Ubuntu partition, mounted to '/', also flagged 'boot' a second, ...
1
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1answer
77 views

Graphical GRUB Menu

As you know, when dual booting on OSX you get a nice looking boot menu, something like: I was curious as to whether there is a way to replace the textual interface of GRUB with something a little ...
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0answers
43 views

Boot, reboot from win 8.1 error

I have win 8.1 and Ubuntu 13.10 installed, both are working fine but.. When coming from win-8 and rebooting the PC I will get an "Error: no boot disk has been detected or the disk has failed". I then ...
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67 views

Gave up waiting for root device 13.10

I have just tried to install Ubuntu 13.10 alongside Windows 8.1 and after having a bit of difficulty with it have tried to install just Ubuntu. It installed fine, and i immediately updated. When I ...
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0answers
14 views

changing sdb5 to sda6 after dd to new partition

I made up a fresh ubuntu 12.04 LTS on an external HD. /grub / /swap I do this so that I don't have to waste time looking for drivers, config etc, and I can just dd is to my mac book pro in ...
0
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1answer
27 views

recover from rescue mode

I have installed windows 8 then linux in dual boot in my laptop. Windows installed on C drive and linux on D drive. One day extremly I have format the linux drive D dtive from windows it was the ...