GRUB (GRand Unified Bootloader) is a multiboot bootloader from the GNU project. This tag is for questions relating to the legacy version of GRUB. Use the GRUB2 tag for questions dealing with GRUB2, a rewritten version.

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Migrating existing Debinan installation to LVM on LUKS with encrypted /boot

I have a VirtualBox with Debian Jessie. After some point I decided to create new virtual drive, encrypt it with LUKS, and copy old system to it without reinstalling. I've used several guides (1,2,3,4) ...
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34 views

Move around an Ubuntu installation without losing its booting ability?

I have a multiboot laptop. I need to re-arange its partitions in order to eficientizice HDD usage. I found out that when I move my Ubuntu 14.04 installation it loses the ability to boot. After ...
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224 views

Computer won’t boot directly from new SSD

I got a new SSD and installed Elementary OS Luna onto it. But I can’t boot directly from this drive. I always have to select that I want to boot from the old HDD and than select in Grub, that I want ...
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65 views

initramfs fails to boot ubuntu 8.10 server

I have recently compiled my linux kernel (3.16.2-x) and tried to install it into two different ubuntu 8.10 server virtual machines appliances. Following is how the upgrade process looks like: ...
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60 views

Access first to GRUB in dual boot with WINDOWS 8

I've already install a dual-boot verison of ubuntu on my windows 8. When I launch my computer, I don't see the grub, it launch windows 8. During the launch of the computer I can press 'esc' so I get ...
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50 views

Grub “no such device” error does not correspond to config

GRUB is failing to boot. BIOS tries to boot the second hard drive first (in Legacy Mode, and the first hard drive is Windows) but this yields a no such device: cfb69400... error. The given id does ...
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99 views

GRUB Bootloader selection window showing 2 times

Currently I have installed 4 os on my 2 HDDs, Windows 7, Windows XP, Ubuntu 14.04 & Open Suse 12.3, in same order. Before I have Installed Open Suse. GRUB was showing options: Windows XP Windows ...
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90 views

How to move GRUB to another hard disk

I installed Kali Linux on an external HD, but in the end of installation I choose to save GRUB on it. Now, every time I boot up the computer, GRUB asks for the External HD. I tried to follow some docs ...
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50 views

Bootloader priority issue

Good day to you all. I have a problem with the bootloader on my pc. I've followed a guide and i've partitioned my SSD so that now I have W8.1 and Ubuntu 14.04. The problem is that when I switch my pc ...
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32 views

After “grub>” mensage install Fedora 20

After installing the Fedora 20 sucessfully and rebooted, I have received the message on boot: Grub> I stay stuck on this screen and don't know what to do. I think it might be a problem to load ...
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318 views

GRUB menu not showing up

I am dualbooting Crunchbang and Windows 8.1. Whenever I start my computer, GRUB appears. However, GRUB appears not as a menu, but as minimal grub bash. After messing around for a while, the ...
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207 views

grub2 loads vfat filesystem error

after half a day of trouble shooting I still can't start Arch properly. I use a dual-boot system and Grub usually start Arch properly but often it happens that it tries to load from an unknow vfat ...
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627 views

GRUB 1.99 CentOS 7

I just added CentOS 7 to an existing Ubuntu system (using GRUB 1.99). When I do a grub-mkconfig -o /boot/grub/grub.cfg, it detects the CentOS, and adds two entries (one looks like normal, one like ...
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205 views

Enabling Virtualization in a dual boot

I have a dual boot system with Ubuntu 12.04 and Windows 8 installed and a grub loader appears at startup for OS selection. I have installed vmware in my Windows partition, and it requires Intel ...
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284 views

Grub command not allowing to boot

Installed redhat linux server and windows 7 as dual boot. While adjusting storage space on my laptop on windows, I deleted redhat Linux partition. Now I rebooted my laptop. It's always showing GRUB ...
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527 views

Grub menu dosent appear. Boots directly to windows 8.1

I have been struggeling with a problem for a couple of hours. It feels like I have tried everything but nothing works. I installed linux mint 17 alongside with windows 8.1. I turned off fast boot and ...
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450 views

Windows 8.1 bootloader recovery

I have installed Linux Mint on notebook with Windows 8.1. I didn't install grub on /dev/sda and installed it on /dev/sda5. After booting to Windows I tried to add Linux in Windows bootmenu using ...
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118 views

Fedora 20 64 bit

Some thing hs happened to my fedora 20 64 bit installaion. I can boot grub and it goes though the start up and then displays the following mesage; Booting Fedora (3.15.8-200.fc20.x86_64) 20 (...
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34 views

Windows 8.1 reboot upon reaching the logo

I have a HDD which was used just for Windows 8.1. That is, the HDD had two partitions, system reserved and Windows. Now I got a SSD and switched back to Linux as my main OS, but yet I have the HDD ...
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541 views

cannot boot after adding grub menu entry

I have Fedora 20 and Windows 8 installed. I wanted to be able to dual-boot. But when I selected Windows Boot Manager in grub menu, i got: 'error file /EFI/Microsoft/Boot/bootmgfw.efi not found' I ...
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148 views

setting of grub for two linux distributions installed to two separate harddisk

(I am aware I may be duplicating post, but no sure where should I ask my quesiton) I installed a second harddisk to my laptop so that I can test on new linux distribution without trashing my working ...
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128 views

grub rescue moved folder out of root

I made a really silly sudo mv /* /some_folder move command on my remote server vm ubuntu 12.04 that moved my boot folder to /home/.../somefolder/boot I can access this folder via a ...
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1k views

Cannot boot on windows 8 after installing Scientific Linux 6.5

I had a standard toshiba latop (2014 model with EFI), which came pre-installeed with windows 8.1 and I tried to install Scientific Linux(SL) 6.5 in dual boot mode. Originally, I couldn't install it as ...
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316 views

Grub Rescue in Windows8 -Ubuntu Dual Boot

I deleted 2 partitions on my hard disk and now I am unable to boot my pc. I searched and found that it is possible to boot without a CD, but the method is not working for me because I can't find the ...
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47 views

Is my Windows partition too far down on the disk?

I have /boot/ on /dev/sda1 (1GB), followed by my Linux root LVM on /dev/sda2 (1.3GB). Finally, I freshly installed Windows 7 on /dev/sda3 in the remaining 700GB of space. When I select Windows 7 in ...
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30 views

need to bring back win 7

I like making music and playing games and occasionally do some Photoshop. I had a windows 8 computer but my mouse pointer always got stuck, so to try out something new I installed Ubuntu. here is how ...
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191 views

Mix of GRUB and GRUB2 (Linux and Solaris)

ALL, I have a DELL laptop on which I installed Linux and Open Solaris (in that order). Linux used GRUB2 and it was OK. Solaris still uses GRUB1 and it looks like it did overwrite the GRUB2 ...
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347 views

Trouble dual-booting Win8.1 and Ubuntu, “error: disk 'sda6,gpt1' not found”

I just got a new 240 gig SSD for my laptop. I installed Windows 8.1, partitioning off half of it for Windows and leaving the rest reserved for Linux. Everything works great. Then I installed Ubuntu 14....
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214 views

Installing Ubuntu 13.10 on MacBookPro11,3

I've been trying to install different flavours of Ubuntu on my MacBookPro11,3 (15-inch) and nothing seems to work. Once I pass the Grub bootloader stage, all I'm getting is a blank screen. I've seen ...
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176 views

2 x Windows 8.1 + Linux - boot configuration

I've got a strange situation. I must install two windows 8.1 systems and one linux (for example Debian) on one machine (one disk). I know that there is a huge amount of information about it on the ...
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1k views

GRUB fails with 'symbol `grub_real_boot_time` not found'

I updated GRUB on Arch. When I try to boot, GRUB gives the error mentioned in the title. I know that grub_real_boot_time is provided by boottime.mod, but running insmod boottime fails with error: ...
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177 views

microsoft boot manager replaced by grub2?

I was running my pc with Win 8.1. I was thinking about trying linux for a long time so I decided to give it a try. I tried to install it several times but I was never able to boot to it, all I could ...
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1k views

USB multiboot: Everything except Clonezilla works

I am trying to add the Clonezilla live iso to my multiboot USB key. Every other distro seems to work, but Clonezilla boots to the prompt (initramfs) instead of launching properly. I have modified ...
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1answer
4k views

Install CentOS on top of Ubuntu (dual boot)

I have a Ubuntu desktop and would like to install CentOS on top of it as a dual boot. The machine has two drives, each with one partition. I don't want to risk harming my Ubuntu installation. I'd ...
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441 views

Zorin OS not starting?

I have Zorin OS and Elementary OS installed in the same partition of my computer. I am able to boot Elementary but Zorin OS is not starting. I use grub bootloader. When I try to start Zorin OS, it ...
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70 views

recovering from grub rescue screen prompt

I have got a Grub rescue screen on a CNC machining centre and I cant get the machine to boot up. I have looked up other questions relating to grub rescue can I restore grub without a live cd. When I ...
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1answer
166 views

How to install MBR on to harddrive

Little bit of background... And i may be incorrect. Someone before me, installed the MBR on one hard drive & the Windows 2008 OS on another ard drive. So when the hard drive with the MBR went ...
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1k views

Dual boot with Linux, after deletion, grub rescue

I'm not sure if this is this right place; If it isn't; please redirect me to the correct forum. I dual booted my computer which originally had Windows 7 installed on it, with Backtrack 5 R3. I went ...
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182 views

Error while running Easy2Boot - get_diskinfo ERR=0

I have created an Easy2Boot flash disk. I have a single W7.iso in the correct location: _ISO\Windows\Win7 On the last screen, I get to select an Unattend.XML file Either the Easy2Boot default, or ...
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1answer
604 views

Boot manager does not present me with OS choice

I have installed Linux Mint 15 alongside Windows 8.When installing Mint the option I chose said install Mint alongside Windows 7 which I chose. Once the system rebooted after the install,I was ...
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2k views

Grub Would Not Load without Live Usb

I have installed kali linux from a live usb. I use dual boot option along with windows 7. After installation when grub is loading, it requires my usb along with it for successful loading. Else a ...
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1answer
390 views

Fedora 19 no longer bootable

I had fedora dual-booted with windows on my laptop for a while but with windows refresh grub was gone and my system directly booted windows. I booted fedora with my systems boot options and with this ...
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1answer
40 views

Can't boot either ubuntu or windows 8

I have dual boot installation of windows 8 and ubuntu. "Sometimes" when I start my laptop, it gets stuck on very first screen (displaying Samsung, Intel, F2 to setup etc). But after a couple of ...
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1answer
102 views

Grub loading, and restarts

After installing Crunchbang (3 times now), I start my computer, see "Grub Loading.." And my computer restarts. Tried to load a usb with Grub repair tool, did the so called repair and changed ...
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1answer
35 views

How do you remove the grb (grub 1) mbr from inside Suse Linux 12

How do you remove the grb (grub 1) mbr from inside Suse Linux 12? I have tried this as stated numerous places on the internet (sda is my one and only drive), however it just says 0 byte written and ...
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56 views

Grub dual boot: Mint update removed grubentry for windows

I have a problem where Mint updated my system,and also changed my grub2 entries. It needed to do this.. but in changing grub entries it REMOVED my Windows on /dev/sda1 entry. I can still see the ...
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486 views

how to boot into windows from grub rescue?

everyone. I used to have linux mint 15 , ubuntu, and windows 7 dualbooted on my samsung E300. I did so using the following video: http://m.youtube.com/watch?v=HpUgIkl4oFA Afterwards, after ...
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423 views

Removed Syslinux by Accident Cannot Properly Setup Dual Boot Win8 + Archlinux

by accident I removed initial sector and could not boot neither system. Now I`ve setup a grub where I can at least boot windows. I still have the config files from syslinux in: /dev/sdb5 Grub and ...
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84 views

Find out available options in /etc/default/grub

I see that in various Linux distributions different options/variables are used in /etc/default/grub. This might be because of different versions of grub2 used (I might be wrong?) On the net I can find ...
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988 views

GRUB menu customization (change menu appearance)

In my GRUB (GRUB 0.97) menu the selector became invisible (changed of inversion color). I would like get my selector bar back and by the way customize a bit grub menu to be more fancy with colors. ...