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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dual booting UEFI laptop with pre-installed windows 8 through GRUB 2 [on hold]

I am getting frustrating trying to figure out how to create a windows 7 USB UEFI boot stick on a dell inspirion laptop , so I can install windows 7 alongside windows 8. So I thought why windows ...
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29 views

Ubuntu 13.10 no longer boots, stuck at grub boot prompt (sdb hdd that ubuntu's installed on is no longer detected)

Ubuntu 13.10 has been running fine since I installed it on my external harddrive a few weeks ago. However, yesterday while Ubuntu was running, I accidentally knocked the external harddrive off the ...
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1answer
23 views

Ubuntu 13.10 reboot issue

Have some problem with restart server supermicro on Ubuntu server 13.10. Command: reboot shutdown -r now init 6 dont restart my server, but after it shutdown. I need to push power button every ...
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1answer
48 views

How do I install a new version on top of an old version?

I have an ASUS EeePC 1000h with four OS installed. What I want to do is replace Lubuntu 12.04 on sda1 which has reached its EOL with Lubuntu 14.04, when it is released in a few days. I want to do a ...
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0answers
32 views

How do I get GRUB to install on a RAID array?

I am trying to build an Ubuntu desktop machine with RAID array, and am having trouble with the installation of GRUB. The 2 10GB HDDs are partitioned using sgdisk (invoked by a script to ensure ...
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37 views

Choosing which hard drive to boot from [on hold]

I intend for this to be informative and ask for other insight because I wish I had this available to me when I was struggling through this. I want to share what I did and hope to find a better ...
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38 views

os-prober and update-grub can't see/find working Windows install

I have installed 12.04 next to a Windows 7 install, on a partitioned 3 TB hard disk. If I use F12 during boot to review boot options from the BIOS, Windows 7 and Ubuntu boot normally, but the Ubuntu ...
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19 views

Legacy GRUB on Ubuntu 12.04

Can I install / downgrade to legacy GRUB on Ubuntu 12.04? I need it for a Rackspace server.
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18 views

How would i go about manuall recreating the process that unetbootin uses to create a bootable USB?

Would i simply create a bootable grub install and copy the files from the iso over, then edit the commands as needed?
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15 views

Cannot boot from hard drive or access Bios after win 7 deletion

I have a problem with my Asus laptop. Here is my situation: I have windows 7 installed when I bought the laptop. Then I installed win 8 dual boot with Ubuntu on a logical drive (extended from C ...
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74 views

Is there any kind of relationship between Windows and Ubuntu installation?

I've just experienced incredibly weird behavior in Ubuntu. I've written lately some questions here regarding my shitty tablet not working correctly in Ubuntu 13.10 . I've left it that way having it ...
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33 views

Using GRUB Customizer to hide boot menu fails

This is a pretty urgent question. I need to hide the GRUB2 Bootloader (default is XP and Ubuntu 14.10 LTS the 2nd option since it's a dual-boot.) But no matter however I try to configure it, it ...
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28 views

How to set a password on recovery mode in GRUB

Any one can reset the root and other user's password by going in recovery mode. SO I want that on the recovery option GRUB require a password to enter in recovery mode. But user can login UBUNTU ...
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24 views

Invalid EFI File Dualboot windows 8 and ubuntu

I have installed Ubuntu with windows 8 and now I am getting errors as: Invalid EFI File.. Please help me solving this problem. I tried to repair using boot repair but am getting an error there ...
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1answer
41 views

how to uninstal a program when graphical mode can not load

I do not know what the grub really is!? But from some search I guess that is like widows safe mode. In windows safemode we can go and uninstall some programs which we have installed on windows. Is ...
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80 views

Windows 8 entry in grub not working

I Was using Ubuntu 13.10 with windows 8 till i decided to give 14.04 a try. I used the live USB to install 14.04 in place of 13.10 keeping my windows partitions intact. After the installation grub ...
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52 views

Computer is totally useless now

Okay, I tried turning on my other computer this morning, And got the following error message. Error no such device edddc179-e42e-4666-8ff3-00566a57908a Entering rescue node grub rescue > - is ...
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15 views

Grub Legacy to GRUB2

i've spend couple of hours with this but with no results... I got Windows 8 and I installed ubuntu 13. Boot menu was showing, but when I tried to pick Windows 7 loader, I got 'disk read error ...
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0answers
27 views

Can't boot after Kubuntu 13.10 installation with Windows 8 Dual Boot

I installed Kubuntu 13.10 with Dual Boot Windows 8.1 via USB. After reboot i got the prompt: Minimal BASH-like line editing is supported I already tried to fix it with boot-repair, but nothing ...
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20 views

Can't see grub after running boot repair. Please Help!

I've a machine with Windows 8 and I've just upgraded from Windows 8 to Windows 8.1. After this I couldn't see the grub while booting. So, I ran boot repair, but still it didn't work. ...
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1answer
32 views

Grub Boot-Loader Not Getting Repaired

I am getting no screen for selection of which OS to boot. I installed windows 8 over Ubuntu 13.10. In Boot-Repair i selected Recommended repair but later the repair failed and it gave me this URL ...
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27 views

Black Screen with “Input signal out of range” message, after AMD graphic driver installation [13.10]

I recently installed Ubuntu 13.10 64bit alongside Windows 7 64bit, and both ran fine. Then I installed AMD graphic driver for my video card radeon R9 270 following the 3rd(manual) procedure given in ...
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1answer
97 views

Windows 8 deletes GRUB when booting

I have this situation: SONY VAIO SVF1521V1EB Windows 8 preinstalled in UEFI. I decided to install Ubuntu 13.10 in dual boot. So I downloaded the amd64 iso, burnt on a DVD, then booted from DVD in ...
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1answer
12 views

grub not updated as required, what should I do?

I'm running a daily build of the Ubuntu Trusy Tahr 14.04 (64 bit). I recently updated, when it mentioned that one of the updates regards the grub file, which was edited manually. I know why it was ...
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1answer
43 views

Reboot instead of shutdown Ubuntu 12.04

As the title suggests, when I try to shutdown my computer from Ubuntu 12.04, it shuts down but then powers back on about three seconds later. I've changed my Grub settings and added: ...
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16 views

CMOS battery replacement - BIOS seems to be looking for windows loader [closed]

So I determined that my CMOS battery was shot! I replaced it and the bios seems to be looking for windows boot manager now. I love my system (12.04) - how can I get it back and this horrible windows ...
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21 views

I need to skip the Grub menu on a dual-boot system [duplicate]

I use Ubuntu 12.04 LTS 32 bit, but I share the computer with my family who use Windows 7, so I want to skip the GRUB menu and allow to boot to Windows automatically, and to enter the GRUB only if I ...
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2answers
28 views

How to recover Ubuntu grub loader from Windows [duplicate]

I have installed Ubuntu os after that I have installed the windows 7 in another partition. But Windows 7 is working fine but Ubuntu grub loader is not there. I tried to installed dual OS in different ...
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22 views

Why ubuntu is mixing my HDD's saying sda1 is the same as sdb6

So i have this problem which i really don't know what to do with it, but it's making me alot of problems.The problem is not only locked to sda1 and sdb6 partitions it can change from boot to boot. ...
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33 views

Dual booting Ubuntu on Mac, stuck in GRUB

I realise there are threads out there for this issue already, however I have tried those solutions to no avail. I am a Linux newbie trying to dual boot into Kubuntu/Ubuntu on my MacBook Air (Intel), ...
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32 views

Can't load into windows 8 after advanced boot repair

I was trying to remove grub 2. I went into advance options of boot repair and selected 'restore MBR'. Then in MBR options I selected boot windows partition. After restarting I found the grub2 menu ...
3
votes
1answer
35 views

Keyboard not working after installing Windows 8

I had Ubuntu on my Computer. I then installed Windows 8, after which I could not boot from Ubuntu. So I installed GRUB using Boot-repair from a Live USB. Now, when I boot and see GRUB, I can use my ...
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1answer
39 views

error: unknown filesystem. grub resuce>

I installed Ubuntu 12.04 32-bit with a live CD and asked it to wipe Windows. I had a dual boot before and did not really like Windows anyway. Now when I boot it without the CD I get this error ...
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1answer
38 views

Ubuntu 13.10 boots into blank screen after grub [duplicate]

Recently after force shutting down during a long Shutdown then when it started up it would go to grub and then it would flash a login screen before going black with a not moving terminal cursor. After ...
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33 views

Just a grub screen with a command line, saying: 'grub>' when I boot up [closed]

Whenever I boot up my HP PC, the screen shows a command line, saying grub> I looked at a lot of videos and other sources, but I can't get it to work.
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2answers
46 views

Unable to boot from hard drive after installing Ubuntu

My apologies if I've overlooked the answer elsewhere on this board. I have spent the last almost two weeks on and off trying to resolve this issue: can't successfully boot up hard drive after ...
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1answer
26 views

After installing xserver-xorg-core laptop won't boot

So I was trying to figure out how to install the proprietary Intel drivers for my laptop and found I needed to install xserver-xorg-video-intel. When I tried installing that I was told I needed to ...
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0answers
156 views

Boot Repair doesn't work after Windows 8.1 Update

(The original title of this post was "Boot Repair doesn't work after April 2014 Windows 8.1 Update" since I wanted to highlight that this is not about the 8.0 -> 8.1 update, but the update for 8.1 ...
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1answer
27 views

GRUB does not list an option for windows 8

I installed Ubuntu 12.04 alongside windows 8.1, and after that when I boot my computer the grub menu come up and I have the option to boot Ubuntu regularly, or in safe mode, but I don't have the ...
0
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1answer
80 views

Ubuntu 13.10 doesn't boot(black screen) and login incorrect [closed]

I'm new to linux, and a noob with computer in general. Ubuntu isn't making it easy for me. I already had to re-install it twice for similar issues. I want to understand what the problem is and how to ...
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0answers
16 views

Ubuntu update overwrote MBR, but did it make backup?

I had Ubuntu 12.04 (32-bit) with Windows 7 working with multiboot setup on computer with McAfee Endpoint Encryption. Only Windows 7 partition was encrypted together with MEE bootloader being on MBR. I ...
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1answer
52 views

Installed Xubuntu on XP system but cannot boot it

I just installed Xubuntu on a Windows XP machine. I left Windows XP on the machine, and made a new logical drive, E, to which I installed Xubuntu. During the installation, I was asked to install ...
0
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1answer
119 views

Dual-Boot Windows 8.1 & Ubuntu 13.10. “Can't find /boot/grub/i386-pc/normal.mod”

I've been trying to get Ubuntu 13.10 & Windows 8.1 to boot together. I installed Ubuntu on my main hard drive (which came with Windows pre-installed). However, when I tried to boot Ubuntu, it just ...
2
votes
1answer
22 views

Can't access grub by holding down shift; can't access desktop due to errors. How do I fix this?

I recently moved to Australia, need to find work, but can't use my computer, and it's really hindering me. I need your assistance please. I'm getting an error, "The system is running in low graphics ...
0
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1answer
35 views

no partitions grub error from a dual boot from windows seven after deleting the Ubuntu partition [duplicate]

I deleted the Ubuntu partitions from window seven then I restarted the machine but it wont start up but I cant get back to windows seven.Instead I get a no partition grub rescue> error.I cant even get ...
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0answers
20 views

changed Graphic Driver on MacBook, cant boot now

So hello first, a few days I had the great idea to put ubuntu on my Macbook (Mid 2010, non-pro), because I needed a couple of programms for studying and the professor suggested using Ubuntu. I than ...
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1answer
41 views

Can I install Ubuntu on a Mac? (NO Dual Boot just Ubuntu)

I have googled for quite a while now and haven't found the answer. My question is, can I install Ubuntu on a mac and leaving out the Mac OS. I just want it to boot ubuntu and nothing else. Maybe a ...
2
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1answer
105 views

Is it possible to verify grub installation without rebooting?

I've been bitten by this so many times, and today after the openssl updates in my server grub complained that I should install it again since the "hard disks that it was previously installed do not ...
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2answers
21 views

Dual Boot to Single Boot [duplicate]

I had installed two operating systems in dual boot mode with a grub menu i.e windows and Ubuntu. Now i have lost the password to Ubuntu OS. If i reinstall windows, grub will not take it and there will ...
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13 views

update-grub Not Respecting Preferences from /etc/default/grub

Following the advice from an answer to How do I remove or hide old kernel versions to clean up the boot menu or free space?, I found myself having to put up with the GRUB boot menu every time I ...