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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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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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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18 views

How to make Android x86 bootable again?

I have an old ASUS eee PC 1000 with Lubuntu installed on the larger 30 GB disk (sdb) and Android x86 (stable release 1) on the smaller one (sda). Android x86 was installed first as has been ...
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1answer
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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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Ubuntu 14.04 hangs at “[2.688088] Switched to clocksource tsc” (Intel Pentium 4)

I installed Ubuntu Server 14.04 on a Pentium 4 machine but booting the System hangs at: [2.688088] Switched to clocksource tsc I've tried all the Grub kernel bootoptions listed in this post: Linux ...
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Booting Linux from USB on a Mac

I'm only posting this question because it seems I've been trying to get this to work for the last 2 weeks and feel like im exhausting my options. I'm trying to build a persistent Linux system ...
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1answer
56 views

remove a boot option from Windows 7 menu (with grub)

I've an old eeepc that was shipped with Windows 7 starter installed, about a year ago (or more) I've installed a Debian/Linux using the Debian installer for Windows, everything went fine or so I ...
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14 views

Hide all kernel boot messages/logging when disabling splash screen Lubuntu 14.04.1

In Lubuntu 13.10 I was able to redirect the kernel messages/logging to another tty by adding the following to the Grub file in order to hide all kernel boot messages when disabling the splash screen ...
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1answer
52 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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14 views

Windows entry in grub menu

I've installed encrypted windows/linux dual-boot. After installing aplication "startupmanager" from debian repo, the grub menu was modificated and windows entry dissappeared. As the windows is ...
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27 views

Running Windows installer from hard disk on Linux

I am trying to install Windows Server 2012 on a Hetzner dedicated server with Linux. Hetzner provides free KVM access whenever I need it, but unfortunately, their KVM's have a broken ISO mounting ...
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44 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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Unable to do fresh Linux install from CD

I am using Windows 8 OS on my laptop and I had installed CentOS linux earlier. The BIOS is set for UEFI mode, thats why I had to switch it to legacy mode to support boot from CD. Anyways, I managed ...
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24 views

EasyBCD: can't boot into Windows after ticking neogrub boot loader in EasyBCD

I ticked neogrub bootloader in EasyBCD, thus the opiton "Windows 7" is disabled, as shown in the pic below. Then I reboot the system and now I can't enter windows 7, what can I do? thanks! ...
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1answer
33 views

how to modify Grub or mgr so that I can boot into windows 7 instead of Neogrub

I have installed windows7 in C drive. Now I use easyBCD to install ubuntu. I followed the steps according to an article which teaches how to install ubuntu-windows dual system(not in English, so I ...
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29 views

Grub Bypassed (Dual Boot, Dual Disk System)

My system has 2 disks. (/dev/sda and /dev/sdb) I am dual-booting Linux Mint 13 and Windows 7. Windows 7 is on /dev/sda1 Linux Mint's / is on /dev/sda6 Linux Mint's /boot is on /dev/sda5 I just ...
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20 views

Is it possible to delete files under Grub?

I want to install ubuntu using easyBCD and ubuntu ISO file after some configuration. I put the ISO image and initrd.lz and vmlinuz in C drive(where the windows7 is installed). Then I set the default ...
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1answer
28 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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49 views

Windows 7 hangs at “Starting Windows” screen when dual-booting with Ubuntu

I just installed Ubuntu 14.04 in a dual boot configuration. I have my original Windows 7 installation on my C: drive and the new Ubuntu 14.04 installation in a partition on my d: drive. GRUB shows ...
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1answer
40 views

Windows 7 not booting. grub bash shell appears

My Windows 7 x64 desktop PC stopped booting after I restarted it. This message appears: drive 0x80(LBA): C/H/S=1023/255/63, Sector Count/Size=16434495/512 Partition num: 0, active, Filesystem ...
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Samsung R620 stuck on Samsung Logo

I have both Linux and Windows Vista installed on my notebook. Today when I turned it on I accidentally chose "Samsung Recovery" instead of "Windows Vista" in GRUB. After Samsung Recovery has loaded, I ...
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Problems restoring grub

I have used fsarchiver to move the content of my old hard drive on a new bigger SSD. Basically, one partition with Ubuntu 12.04. Everything went fine. But now I can not boot. I used GPT and I also ...
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1answer
61 views

how to skip grub dual boot option menu entirely (without picking an OS to boot)

I'd like to skip the entire Grub 2 interface, where I have to decide booting Linux or Windows im running linux ubuntu lastest version (14.04.1 LTS) and windows 8.1 both 64 bit versions. I've ...
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35 views

How to change boot order (on windows loader) from Ubuntu

actually i'm using without any problem, a dualboot with windows loader (BCD), so i'm able to choose Ubuntu and then i set to GRUB.cfg timeout "0" to boot ubuntu faster. Usually, expecially while ...
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258 views

Installing Debian 7.6.0 on Lenovo Y50

I was trying to install Debian on my new laptop: a Lenovo Y50 64bit running Windows 8. I got together with a friend and installed Debian in his computer first and had no problems. However I've tried ...
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22 views

VirtualBox: Grub sees hard drive, Linux does not

I installed Linux on my second hard drive. I can boot to it just fine. But when I try to boot it from a Windows 7 host using a raw host hard disk, grub sees it and can load vmlinuz and initramfs. ...
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2k views

No boot menu for Ubuntu 14.04 after dual boot installation

I assume, this is not a duplicate post. Please read my findings below before assuming so. I have gone through several questions over the Internet regarding people complaining that they are not ...
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30 views

Disk partition errors after size change

I increased the disk size of one of my VM when it was running. After a reboot, I get the following error message (at boot time): Mounting local filesystems...failed Now the VM is only accessible ...
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25 views

Best way to setup Fstab to avoid system boot issues

I have Linux system in which we force /dev/devname for running the system. proc /proc proc defaults 0 0 /dev/sda1 / ext3 ...
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22 views

EC2 AMI instance store backup grub utility required

I am working on backup of whole ec2 volume and image to upload to s3. I'm trying to use RHEL7 and it internally uses Grub2 as bootloader. EC2 AMI tools requires grub legacy loader and I'm struck up in ...
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How can I edit startup items on ubuntu server using grub or external shell of some sort?

I have made some changes to my ubuntu server and now it won't boot. It hangs on starting tomcat servlet engine tomcat?. I don't actually use tomcat and accidentally enabled it while I was hastily ...
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2answers
52 views

Where i can find “/boot/vmlinuz” when “/boot” not exists

Hi all I'm new here and I want to ask where i can find vmlinuz without "/boot" directory... So system normally boots (Chrome OS) All working perefectly from pendrive But when I want dual boot I need ...
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1answer
23 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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39 views

Linux Manjaro installer is demanding that I mount a UEFI parition, I am not using UEFI

I am using the latest Manjaro installer from their main website. I am using this install guide (I linked to the time segment where I am stuck on). In the latest Manjaro installer, it is telling me ...
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1answer
109 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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22 views

PC fails to boot or install a new Operating system

I have a linux machine with the following configuration. Intel E5200 Dual core CPUa Biostar G31 D-M7 Motherboard 1 GB Kingston & 1GB Dynet RAM , 667 MHZ WD 320 GB HDD 450W smps It all started ...
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1answer
41 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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83 views

Can't boot Windows 8, can't boot from USB installer

I'm having all sorts of problems with my PC. It's custom-built so I didn't expect to have UEFI/Secure Boot compatibility issues but I think that's what's happening. I have a Windows 8 Pro ...
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47 views

Ubuntu goes black on startup

Whenever I start Ubuntu from the GRUB menu (below). and it finishes this (below). The screen goes black. This happened after I gained root access to my account and I needed to restart. After ...
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1answer
28 views

password md5 equivalent in grub2

In the old version of grub, we can prevent the user modifying the boot option in menu.lst with the following line: menu.lst password --md5 <password> In grub2, I tried to add the following ...
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31 views

how to enter into my win7 from rescue mode?

I have installed dual os :win7+debian7 on my pc.In the grub.cfg: menuentry "Windows 7 (loader) (on /dev/sda1)" --class windows --class os { insmod part_msdos insmod ntfs set root='(hd0,msdos1)' ...
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85 views

Booting a second, encrypted Debian installation from Ubuntu grub command line

I have a stable dual boot between Ubuntu 14.04 and Windows 8.1. I am installing a second flavor of Debian. It has three separate partitions: / is an encrypted luks volume located at (hd1,gpt9), /home ...
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69 views

Dual booted HP Pavillion 23 isn't loading windows 8.1

I have an HP Pavilion 23 that I partitioned and loaded up with Ubuntu Server. Server had trouble installing, and Windows 8 (The pre-installed OS) wasn't loading up right either. So I formatted the ...
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19 views

can't boot windows 8 need hel on grub-repair

After installation my grub is a complete mess. Now I've got 5 options. First two options for linux and the rest are various supposed windows 8 choices. What can I do? I need desperately to log into ...
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1answer
22 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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Zorin no Kernel. Hard Drive is completely wiped after installing

I installed Zorin successfully, but I wiped eveyrthing that was previously on my hard drive. So when I boot up I'm in grub. I typed "grub> boot". But its saying I need to load a kernel. I have no idea ...
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74 views

Transferring Linux OS from one drive to another with different partitions

First of all, some related questions: How to move from one drive to another that's a different size? What utility can move my Windows boot partition over to another hard drive? My situation is as ...
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1answer
94 views

How to dual boot Windows 8.1 and Ubuntu 13.04 with Windows Metro Boot Loader

I'm having a laptop with 4 Partitions, [1] 350 MB Windows System Reserverd [2] 40 GB for Windows Installation [3] 25 GB for Ubuntu Installation [4] 400 GB for Data Storage I have installed Windows ...
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2answers
88 views

How to properly specify boot extra entries for nixos

Nixos has a configuration option in the manual for specifying extra entries in the grub menu boot.loader.grub. extraEntries but I can't get it to work with the examples in the manual. The idea is to ...
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34 views

How do I get the grub menu to list both my Windows 7 installations?

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 ...