This tag is ambiguous: use grub2 or grub-legacy as appropriate.

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1answer
207 views

How do I change the GRUB default boot?

I'm trying to configure grub on my computer. I use the dual boot with Windows and Ubuntu. The grub always suggest with a countdown from 10 seconds to boot the Ubuntu. However, I do not want to be that ...
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1answer
1k views

PC Boots to grub> prompt after putting partition table entries in disk order

I am using Centos 6.5. I tried to get the disk space using fdisk -l | grep Disk What I got was Partition table entries are not in disk order I tried to fix the problem with the method outlined ...
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2answers
110 views

change boot order

I have 2 partitions sda1 XP and sda2 CENTOS. I have reinstalled grub on /dev/sda but on rebooting, I experienced: error : 22 no such parition for Centos; while Windows boots charmingly on the other. ...
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2answers
719 views

How do I hide grub boot menu unless shift is pressed?

I've read the forum but it seems my grub boot menu doesn't follow the form of the config file. I would like the menu to not appear unless Shift is pressed. My grub menu appears every boot and stays ...
3
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0answers
236 views

windows 7 reinstallation killed grub

I have been running dual boot windows7/ubuntu. Recently I reinstalled windows 7, and I no longer have the option to boot to ubuntu. I would like to be able to get my dual boot working again or at ...
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2answers
182 views

Windows and Ubuntu dual boot

I have installed Ubuntu 14.04 on a partition. Now I have Ubuntu and Windows 8.1 for dual boot. I followed this tutorial to install Ubuntu. Now when I switch on the computer I have the following ...
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0answers
39 views

Can I rewrite drive designations with grub?

I am trying to install Qubes from a USB stick. Unfortunately it seems that there's some hardcoding taking place in the boot process, so after I have put the ISO on the stick it still looks to mount ...
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0answers
179 views

Multiple Windows 7 installations from Grub

I have the following disk configuration: Disk /dev/sda: 750.2 GB, 750156374016 bytes 255 heads, 63 sectors/track, 91201 cylinders, total 1465149168 sectors Units = sectors of 1 * 512 = 512 bytes ...
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3answers
1k views

reorder GRUB to list Windows on top

I have win 7 and linux mint 14 installed. Is it possible to modify the GRUB Menu to show Windows as the first option instead of Linux, which it currently does. Mainly so that during boot it starts ...
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0answers
312 views

How to not install GRUB when installing Elementary OS Luna?

I'd like to install eOS Luna, but I already have Debian 7.5 installed, so don't want to install GRUB again, as the last time I did this it broke the bootloader... Is this possible? I haven't seen any ...
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1answer
427 views

How can I boot back into Windows after “installing” live CD to hard drive partition?

I wanted to boot a Mint 17 live CD, but I did not have a blank CD lying around so I "installed" the live CD on a newly created partition. Now my laptop always boots into Mint, but I want to boot back ...
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1answer
92 views

Howto to boot an attached external hard disk (without formating)? (Solution: Repair grub easily)

I have a former internal hard drive, which I now use as external USB drive. I tried to boot from it, but it doesn't work (2 PCs tried, on my: blank screen + blinking cursor). This - I think - is ...
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1answer
87 views

Recover from Grub error

I use windows as well as Linux in one laptop. I don't know what I deleted in the partition settings. Suddenly when I restarted my laptop, it showed me the below error message. GRUB loading. Welcome ...
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0answers
132 views

xubuntu (main HD) and Kali (second HD) both LVM encrypted but Kali won't appear in grub?

/dev/sda = xubuntu 14.04 Trusty Tahr /dev/sdb = Kali Linux /dev/sdc = Windows 7 Ultimate I installed xubuntu with grub, and Kali without. Both are luks-encrypted drives with LVM. Kali doesn't show ...
2
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1answer
529 views

Grub2 without arrow keys

My laptop keyboard recently had a losing encounter with a beer, and the arrow keys don't work anymore. No big deal, I figured -- I remapped CAPS+hjkl to the arrows in xkb, and after a little getting ...
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1answer
3k views

repairing a damaged grub with centos

I have a damaged grub in my centos system. to repairing this problem, I use rescue mode and then I execute this follwing comand : chroot /mnt/sysimage grub-install /dev/mapper/ddf1OSp3 and then ...
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0answers
69 views

Is there a GRUB 2 Source Code Map?

I have been studying the GRUB 2 Bootloader source code but I haven’t been able to find in the documentation a map describing the general purpose of each source code files and how they relate to each ...
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2answers
2k views

Installing GRUB in a dual-boot

I've just installed my OSes on a new HDD: Windows 7 and Debian 7. As usual I first installed Windows, then Debian. At the first attempt, GRUB seems to not have been installed properly, because my ...
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0answers
550 views

Windows 8 not showing in Grub

Windows 8 not showing in Grub fdisk -l Device Boot Start End Blocks Id System /dev/sda1 1 1465149167 732574583+ ee GPT and here's what I see in gparted ...
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0answers
21 views

New menu item called “arch_grub” emerged as a temporary boot device

I have Ubuntu installed along with Arch. I re-installed Arch a few times already. Now it works well. Once when I was re-installing Arch during boot when I chose the "Choose temporary boot devise" ...
4
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1answer
326 views

Grub modify menu screen [ advanced ]

I've modified my Grub menu. Here is how it looks like right now: What I would like is to remove the top information about Grub version or even better to remove all "GNU GRUB version ...
0
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1answer
26 views

How do I properly re-install an OS to the same partitions after failing for the first time?

I have Ubuntu installed. I created 2 more partitions for Linux Arch and failed to install it due to choosing the wrong packages via package manager. It will work on my computer for sure (it already ...
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0answers
155 views

My server getting stuck on grub message while replacing server secondary HDD sdb1 to sdc1

My server getting stuck on grub message while replacing server secondary HDD sdb1 to sdc1 which is mounting on /home. I have define my /etc/fstab with LABEL=/home. My server has installed Cpanel and ...
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1answer
8k views

How to recover the partition table (Windows, Ubuntu) of an unallocated disc?

The following screenshot shows the current state of my hard disc. The unallocated part of the disc used to contain two operating systems: Windows and Ubuntu, in this order. Windows has been ...
2
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1answer
549 views

Change default monitor screen in GRUB 2

Recently my notebook screen died and I started using an external VGA monitor. When my computer boots the monitor is off until GRUB 2 starts the OS. Is it possible to make GRUB 2 display its menu in ...
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2answers
348 views

How to query EFI signature

It appears that Grub-EFI will only boot a "signed" Linux kernel. Is there some command that will allow me to query a given kernel image to find out what signatures (if any) are present on it?
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1answer
2k views

Setting up HDMI output from Linux console

I am currently running Debian Wheezy on a HP Microserver N54L with an AMD Radeon 5450 video card. I would like to be able to play audio from the console through the HDMI port of my video card and ...
2
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0answers
476 views

Cannot Boot New Linux From USB

Recently, I got a new laptop, the MSI gx60. I grabbed a usb and loaded the Linux Mint 16 Cinnamon image onto it, tested it on my old laptop and desktop, where it worked. However, when I try it on my ...
2
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1answer
1k views

GRUB doesn't see ext4 partitions (error: no such partition)

I have strange trouble with Linux Mint 13 installation. I have Windows XP installed, I want to install Linux Mint as a second system (with dual boot), I've already done it multiple times on several ...
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2answers
2k views

Grub not starting on recently Debian install

i recently install Debian 7.4.0 on my laptop. The problem is when i reboot my system it start on Windows 7 by default, i tried to boot again the Debian installer and my surprise was the boot USB load ...
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0answers
3k views

How To Fix Grub Boot Error hd0 out of disk

After I updated Debian to Wheezy whenever I boot my computer I get Grub boot error hd0 out of disk and then a prompt comes up with grub rescue>. So far I have been unable to find a solution by ...
3
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1answer
487 views

Generating grub.cfg without Linux installed

My dual boot machine went haywire yesterday, and seriously corrupted the Linux partition. Among the corrupted files were: The entire /boot directory Quite a few stuff in /bin "No problem", I ...
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1answer
275 views

Linux doesn't boot after update-grub

I had a problem with my HDMI without sound and I found this fix. Edit /etc/default/grub and change this line: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" to this line ...
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2answers
2k views

Create a booting external harddrive without formatting it

Ok so here's my situation: I have an external hard drive, but my pc recognizes it as a normal HDD (not USB). So I have three partitions, one for data storage, filled with (alot of) data, one with a ...
0
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1answer
127 views

Changing resolution : with X and without X

I'm working on an Ubuntu server without X and I would like to easily change the resolution. In order to do that, I have to specify GRUB_GFXPAYLOAD_LINUX=1280x800 in the file /etc/default/grub, then ...
0
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1answer
177 views

Installing Ubuntu on HDD and Windows on SSD

I am new to Linux. I have a 60GB SSD + 1TB HDD on my laptop. I want to know if I could keep Windows 8 on my SSD and install Ubuntu on HDD. Can GRUB detect both operating systems?
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0answers
100 views

Automatic shut down of Ubuntu 13.04 along side Windows 8

Things with Ubuntu were working absolutely fine, but suddenly, the laptop started overheating whenever I logged into Ubuntu. And that lead to automatic shutdown. I realised that it was definitely due ...
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1answer
4k views

Debian Wheezy update-grub: command not found

I'm trying to change my grub boot order, so I've changed /etc/default/grub, but I don't seem to have the update-grub command. I'm not sure if I'm using grub or grub2 because everything just says ...
0
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1answer
2k views

A new version of configuration file /etc/default/grub is available, but the version installed currently has been locally modified

I am using 3.2.0-4-amd64 #1 SMP Debian 3.2.46-1 x86_64 GNU/Linux Debian GNU/Linux 7.1 (wheezy) Release: 7.1. I typed "sudo apt-get upgrade" and hoped for the best (I updated all my packages just ...
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0answers
37 views

For what are disk signatures being used for by GNU/Linux (distributions) / grub?

I am talking about disk signatures in context of the MBR. The area from 441 to 445 bytes. For what does the GNU/Linux kernel, GNU/Linux distributions usually use disk signatures for? I only found ...
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1answer
287 views

How to change the disk signature of a raw image?

I am talking about disk signatures in context of the MBR. The area from 440 to 444 bytes. Let's say I got a bootable raw image (bootable in a virtual machine). How can I set the disk signature to a ...
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3answers
2k views

How does Linux deal with a separate /boot partition?

I am interested to learn about how Linux deals with a separate boot partitions. I am not interested in actually doing this, but I would like to know how this works under-the-hood. Consider a hard ...
1
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1answer
98 views

Booting from a hard disk partition .. update-grub?

I am trying to install Debian by using a hard disk partition only. I want to install on /dev/sda6 I used dd to copy a Debian ISO image to /dev/sda5, a newly formatted ext4 partition. I ran ...
3
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1answer
206 views

Password protect Grub2, but still allow normal boot

I have seen this link , but I don't have grub.conf in the first place. His situation is the inverse from mine though. This link explains quite a fair bit on Grub2, but I am still clueless as to how ...
4
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1answer
5k views

What do the kernel parameters acpi_osi=linux and acpi_backlight=vendor do?

I had troubles with the screen brightness control in my laptop and I fixed it by adding the acpi_osi=linux and acpi_backlight=vendorparameters to the filegrub.cfg. I'd like to know what these ...
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1answer
79 views

can /boot be on a different drive than grub or lilo?

I just got a vizio CN15-A5 laptop, which has both a 1TB HDD and a 32G SDD. I am going to use the SSD with dm-cache, however, I would to make /boot a partition on the SSD, and the laptop's BIOS doesn't ...
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1answer
6k views

How do I remove the timeout in the boot menu

I am a beginner to Linux so I installed several operating systems on my computer in a multiboot configuration (Ubuntu, Linux Mint, Windows, ...). When I turn on my PC, the boot menu appears with a ...
0
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1answer
2k views

Everything works in the auto-generated kickstart file for installing centos-linux except for selecting target drive + boot dot

I discovered that if I copy the auto-generated kickstart file in CentOS Linux, I could re-install CentOS Linux without having to fill stuff, and so on.. It appears centos saves the auto-generated ...
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0answers
300 views

Stuck on installing grub to a usb stick (unknown filesystem/no such partition)

I just spend all day on trying to get my system to boot again, I'm getting a bit desperate...snif. The setup is as follows: a debian installed in a luks encrypted usb hard disk with lvm volumes for ...
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1answer
171 views

Ubuntu 13.04 on Acer x64 PC, only boots after starting recovery

I have this strange problem with my Acer E1 421. First of all it's important to say that I've upgraded this laptop's memory to 8gb RAM instead of 2. I decided to remove Windows 7 x64, and install ...