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 boot with mouse support on OS selection

I have dual booted in the past, so I am quite clued up with installation and using Grub2. I have an issue with my keyboard not registering on anything before the operating system, that is, it will not ...
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16 views

ubuntu don't show my total hard disk partitions

after installing Ubuntu several time, last time i installed Ubuntu during installation using something else option , i didn't see the windows partition nor other private partitions it only show the ...
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12 views

MacBook will not boot after Ubuntu Install

I have an old MacBook laying around not doing much, so I decided to install Ubuntu 13.04 on it, and dual boot with OSX. From within OSX, I repartitioned the drive, reserving half of the 250gb HDD for ...
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14 views

How to Start the computer without the USB

I have installed ubuntu in my computer alone side with Windows 7. Ubuntu is installed in the USB; therefore, each time when I restart the computer, it require me to have the USB plugged in. It will ...
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24 views

Ubuntu and Windows 8.1 simulateous monitor problems

I got my Asus X502 laptop dual booting Ubuntu 13.10 and Windows 8.1 and everything is working smoothly. Suddenly after I hibernated Windows and started up the system the Windows side boots fine, but ...
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29 views

Windows 8 w/ Ubuntu 12.04 LTS [on hold]

Hello I've been having a GRUB Problem with Windows and Ubuntu. The problem is that GRUB Isn't booting up Windows 8 (Not 8.1). Since when installed Ubuntu on here I'm not able to boot up to Windows 8 ...
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1answer
34 views

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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23 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
20 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
35 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
19 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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32 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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24 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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17 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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0answers
17 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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0answers
14 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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0answers
68 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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0answers
24 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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0answers
22 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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17 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
39 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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0answers
37 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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0answers
51 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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0answers
12 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
21 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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0answers
16 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
22 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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24 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 ...
2
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1answer
80 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
10 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
35 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 [on hold]

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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0answers
20 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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0answers
19 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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27 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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0answers
27 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
31 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 ...
0
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1answer
33 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 ...
0
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1answer
32 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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0answers
32 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
45 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
18 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 ...
2
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0answers
136 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 ...
0
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1answer
26 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
73 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 ...
0
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0answers
15 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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0answers
22 views

Booting Error: symbol not found grub_efi_secure_boot [closed]

I recently installed Linux Mint in a laptop, and I had a grub error at the start. As such, I ran BootRepair to try and fix it, but apparently there was an error towards the end. Right now I'm getting ...
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0answers
21 views

Win7 wont boot after i deleted that partition for Ubuntu [closed]

Hey guys I'm in total panic mode right. Last night I installed a program to delete partitions. I deleted all the patitions on the backup harddrive (ubuntu was installed on it) I had Ubuntu on the ...
0
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1answer
50 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 ...