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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White flash at (before) boot

Don't know if you experience this but it's very, very annoying. I'm using Lubuntu 14.04.1 64 bit It's a Wubi install, but I don't think that changes anything, since I've seen it elsewhere. At boot, ...
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4answers
14k views

Why is Grub menu not shown when starting my computer?

I am a new user of Ubuntu 12.04. I am installing the windows XP and Ubuntu using both operating systems. From the start my desktop does not show the grub menu. Please guide me with step by step ...
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1answer
42 views

Badly installed Ubuntu 14.04

Today, I have decided to make a new partition of my HDD and then to install Ubuntu 14.04. I have already had Windows installed on another partition. I installed Ubuntu and the installation has been ...
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1answer
215 views

Upgrade from 12.04 to 12.10 all I get when I boot up is MEMTEST86 I have tried to access grub and theer is only memtest in there

12.04 upgrade to 12.10 all I get when I boot up is MEMTEST86 I have tried to access grub and there is only memtest in there.
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1answer
17 views

keep getting internal system errors and can not see the desktop

I have found quite a few topics within this problem, but didn't really find a clear answer. I have updated my Ubuntu. The update I have installed Ubuntu update center said it had some unothorized ...
37
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3answers
68k views

How to get to the GRUB menu at boot-time?

This issue came up recently for me (and I've been prompted to lodge it as a specific question about it): My system is not dual-boot, I run a standard Ubuntu desktop system "on the metal" (I think ...
2
votes
1answer
227 views

Configuring grub for Ubuntu on Lenovo Ideapad Flex 10

Situation I have installed Ubuntu Linux 14.04 on a Lenovo Ideapad Flex 10. The only problem I'm facing now is to configure the bootloader. I'm quite familiar with Ubuntu, but not with grub or ...
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1answer
128 views

Install grub2-efi bootloader to image after install and before RESTART

I want to install UBUNTU 14.04 on a USB3 32GB sandisk EXREME. I Disconnect internal HDD during install. No problem with install. I Boot installed flash drive on other PC ok My PC is HP DV7 and only ...
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0answers
20 views

Grub menu is not showing up on my XP and boots directly to ubuntu. I want to boot to XP as well

I can not boot XP coz I do not see grub menu. I spend 4 days trying to fix it. I tried "boot repair" program as well. And Holding SHIFT Key when booting. I have also tired the following as well. I ...
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2answers
1k views

Lubuntu Full Install on USB Drive with Full Disk Encryption and Grub2

I apologise for the wall of text, but I want you to scrutinize my thought-process to make sure there's no mistakes and no other way around it: I wish to have a full install of lubuntu with full disk ...
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2answers
119 views

Cannot boot from USB install (HP DV6)

I have installed Ubuntu (12.04 AND 14.04 separately, multiple times each) onto a 32Gb USB flash drive. The flash drive boots fine on a spare laptop (older HP DV7, windows 7), however on my HP ...
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2answers
60 views

Upgrade went horribly wrong: libc.so.6: version 'GLIBC_2.17' not found

File system is mounted readonly, so I boot into recovery mode to run fsck, and I get the following message: mountall: /lib/i386-linux-gnu/libc.so.6: version 'GLIBC_2.17' not found (required by ...
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1answer
27 views

After removing ubuntu, I still have traces of it in my boot order

for a while now, I've been trying to dual boot kali linux and windows 8 and failing. I think a reason for that might be is because I still have traces of ubuntu (I had it installed before, formatted ...
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0answers
68 views

No Grub Menu at Boot - Ubuntu 12.04

I just installed Ubuntu 12.04 on my laptop. It already had Windows 8 preinstalled. When the install completed, and the system rebooted, I was surprised to see it boot straight into Ubuntu. I was ...
0
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1answer
40 views

Unable to install14.04 on Toshiba Satellite L40D-B

Brand new Toshiba Satelitte L40D-B Model: PSKRGC-002001 Windows 8.1 pre installed 64 bit AMD A6-6310 APU AMD Radeon R4 Graphics RAM: 6144 MB Clock: 1.80 Ghz HDD Toshiba 686 GB Bios 1.00 English Trying ...
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1answer
47 views

Bootproblems after second OS installation

My Problem: I had Windows 7 on my old HDD. Bought 120GB SSD to install Windows 7 and Ubuntu 14.04 in dualboot. Disabled HDD. Windows installation -> create 60GB partition for WIN7, works. Next: ...
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2answers
288 views

No option to choose between Ubuntu or Windows at startup; tried many suggestions already

Yesterday I used a live cd to install Ubuntu 14.04 on a computer already loaded with Windows 8. The Ubuntu install did NOT recognize any operating system on the computer, so I chose "something else" ...
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0answers
33 views

Black screen on bootup

I've had a problem since loading ubuntu alongside my windows install now. I'm running 14.04 and using Gnome 3.12 shell and Lightdm. When booting up the Ubuntu splash screen looks normal and pushes me ...
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1answer
42 views

ubuntu shuts down for no reason

Up until 2 days ago Ubuntu 12.04 was going simply great, then the update manager prompted for some updates and I continued as usual. After that I continued to use the computer for few more hours ...
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0answers
27 views

14.04 and grub hanging after reboot

I almost tried every combination of grub parameters in /etc/default/grub but still my systems hangs in the grub menu after a reboot. Boot from power off works properly. This is my current grub.conf: ...
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0answers
15 views

Installation woes - dual boot not booting into Ubuntu on Win7 x64 laptop with ESI

Sorry, this is a relatively common overall story but I cannot find a solution that works for my system hence asking. I am an experienced Linux user but I seldom install. Have Win7 laptop which has ESI ...
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0answers
18 views

What causes grub errors? [closed]

Environment: Ubuntu 12.04 minimal + nVidia graphics card We have about 200 almost identical machines running at various customer sites. Typically, the machine is turned on in the morning and turned ...
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0answers
26 views

14.04 install problems: best to reinstall?

Question: My first-time Ubuntu install is still not working. Is it best just to reinstall and pay more attention? Background After discovering the recovery option for 'Rescan Grub stuff' (or ...
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0answers
21 views

The UBUNTU Graphics Catch 22

Trying to use a Live DVD to run Ubuntu 14.04.1, I get the "Monitor signal out of range" error. I hit ctrl-alt-F1 to bring up the command line. I do sudo nano /etc/default/grub and remove # from ...
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1answer
684 views

Ubuntu 13.04 purple screen of death and kernel panic [closed]

I'm trying to install Ubuntu 13.04 64-bit from a USB startup disc on a new SSD drive. The installation completes without a problem, but on the first boot I get a blank purple screen (this is when I ...
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0answers
16 views

Xubuntu fresh install black screen! [duplicate]

after installing Xubuntu it goes to black screen after xubuntu loading for a few seconds. I don't see any GRUB. Tried holding down but no luck! I can't even load it from USB. I tried nomodeset and ...
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2answers
3k views

Why can't I see the image changed with GRUB Customizer?

I installed grub-customizer to edit the boot-screen. It works so far (i. e. for timeout), but changes concerning the background image (and maybe font styles, too) aren't applied. I placed the image in ...
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1answer
471 views

How do I restore a lost grub boot option on Ubuntu 12.04

Ok, there are probably tons of questions asked related to myproblem but I'm in a delicate situation so I do not dare to experiment... Background: I have installed and setup a (Ubuntu/Windows7) dual ...
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1answer
54 views

Moving GRUB from HDD to SSD - Dualboot Windows 8.1 + Ubuntu

Recently I acquired an SSD and decided to install Windows 8.1 and Ubuntu on it and use my HDD as Data Storage. However, I seem to have installed GRUB onto the HDD and not the SSD, which has not ...
0
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1answer
3k views

how can I fix error: hd0 out of disk?

I am running Ubuntu 12.04 on a netbook - Acer AS 1410. After a download session, I restarted the computer and it said: error: hd0 out of disk. Press any key to continue... I pressed ...
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2answers
34 views

Screwed up Partitioning, Can't boot into live session, Grub installed wrong

I am kinda a novice to the Whole Ubuntu thing so I'll try to explain my best here. I recently got a Lenovo E545 laptop (I love it by the way), with Windows 8. having no Idea that its impossible to ...
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3answers
6k views

Windows 7 + Ubuntu 12.04 + Invalid EFI file path + Boot repair + Grub many entries

I've a ASUS N56VZ with Intel Core i7 - 3610QM, with Win 7 Home Premium x64 pre-installed. This computer come with EFI instead of the traditional BIOS. When I bought it, I had 3 visible partitions. C ...
12
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1answer
62k 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 ...
2
votes
1answer
3k 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 ...
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votes
1answer
37 views

Can't boot on Windows 8, with triple boot

For the second time, ubuntu replace, again, my windows 8. Ubuntu replace the boot of windows 8 with his evil grub, so i can't boot in windows 8. When i try to boot in windows 8, he reload grub. :@ So ...
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2answers
978 views

Mount of File System Failed. — After upgrading from 9.04 to 9.10

After upgrading from Ubuntu 9.04 to 9.10 i am getting this message on boot up: Mount of File System Failed. A maintenance shell will now be started. CONTROL-D will terminate this shell and ...
1
vote
1answer
3k views

Stuck in GRUB COMMAND LINE hell

I installed Ubuntu, but when I boot I go straight to Grub rescue command prompt (GNU GRUB version 2.00-19ubuntu2.1). I can get a Grub boot interface by typing: set root=(hd0,5) set ...
0
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1answer
197 views

Installing Ubuntu in EFI mode Cant go beyond GRUB Menu

I created a LiveUSB of Ubuntu 12.04.3 LTS using Pendrive Linux. Created a separate 30GB partition using Windows 8 Disk Management Disabled Secure Boot (Didn't find an option to disable EFI boot) ...
2
votes
1answer
61 views

Is it possible to run Ubuntu installer from hard drive partition?

I would like to prepare something like recovery partition on the PC hard drive. Such recovery partition should contain only Ubuntu installer, nothing more. It also should be bootable in any way, even ...
0
votes
0answers
100 views

Data Recovery from hardisc

Was trying installing Linux machine. There was an error stating sda must be label gpt, at the verge when disc partition to install the OS was to be selected. I probed into the error over internet and ...
3
votes
6answers
3k views

Ubuntu 12.04 LTS on pendrive

I've got a problem with installing Ubuntu on Pendrive. Steps I made: Downloaded ISO from Ubuntu site. Burn it on DVD. Run PC from the DVD (pendrive is plugged in). Followed instruction on the ...
0
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1answer
3k views

Ubuntu 13.10 software raid

I had already Ubuntu OS installed on my desktop PC, where the software RAID 5 is configured ( 3 partitions /, swap and home ). This system was upgraded from the 11.04 till 13.04, it was quite messy, ...
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2answers
5k 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 ...
0
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2answers
2k views

/dev/mapper/ubuntu--vg-swap_1 is not ready or not present

This is frustrating as heck, I moved away from Windows 7 OS because of issues, errors, and such and was sold to Ubuntu because it was supposed to be reliable, and now errors and issues right after ...
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0answers
51 views

Ubuntu 12.04 - Reinstall Grub on a Raid-1 via LiveCD

I had a hardware issue which caused my Ubuntu Server to fail. After the problem has been resolved I still cannot boot into my Ubuntu installation, but fall into initramfs instead. To me it seems that ...
17
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1answer
32k views

GRUB complains of “no such partition” after installing 12:04

I have just installed 12.04. I previously had 11.10 installed, with /dev/sda6 as the install partition mounted at / and with /dev/sda1 mounted at /home. When installing 12.04, I duly selected the ...
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1answer
3k views

How to use GRUB as default bootloader while dual booting Win7+ubuntu

I installed windows 7 first and then Ubuntu, booted back into windows and used EasyBCD to use the Windows 7 bootloader for dual booting. So when the system is rebooted Windows bootloader comes up ...
1
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1answer
41 views

Uninstalling Window and using Ubuntu as the only OS [duplicate]

I do all my task in Ubuntu. How will I be able to remove the Windows8 using ubuntu? I don't want to see Windows8 name displayed in the grub menu. And I want Ubuntu to be started in the first hand ...
2
votes
2answers
3k views

Dual Boot Windows 8 and Ubuntu

My laptop has two hard drives, one 320GB HDD and a 30GB SSD. I installed Windows 8 on the HDD and Ubuntu on the SSD. However, after I installed Ubuntu, Windows 8 did not appear on the boot list. I ...
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1answer
67 views

How do I choose the OS to boot? [duplicate]

I had windows 7 on my hard drive, then I installed Ubuntu 14.04 to dual boot (I have several partitions and ubuntu is working fine). But I don't know how to switch between the two in boot time. I read ...