Questions tagged [grub]

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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How to fix the Windows 10 boot loader from Windows

I installed Ubuntu on a system that has Windows 10 installed. I can boot to Windows or Ubuntu normally using GRUB. I want to delete Ubuntu partition, but first I must restore the Windows 10 MBR. In ...
Codyfly's user avatar
  • 591
49 votes
3 answers
154k views

grub: boot from ISO

How can I boot into an ISO file in GRUB? The ISO file is on a reiserfs partition and GRUB can access it (already tested that).
Albert's user avatar
  • 6,651
11 votes
2 answers
4k views

Make grub keep its default boot under kernel updates

I dual-boot my machine and I want it to default to boot into windows so that whenever I restart the machine remotely from my home it will be able to get back into Windows (instead of Ubuntu). The ...
reprogrammer's user avatar
10 votes
3 answers
8k views

Aesthetically editing grub.cfg

EDIT: (for clarity) I'm looking to change the appearance of the grub boot menu, by editing the configuration files (possibly but not necessarily grub.cfg). So, any ubuntu user knows how filled up ...
Malabarba's user avatar
  • 8,668
6 votes
5 answers
10k views

How to fix GRUB after Windows breaks it, and how to edit the GRUB menu

I had Windows XP and Ubuntu both installed. I could easily boot into either until Windows "fixed" the bootloader so that it now only boots into Windows. I guess there is no way to prevent Windows ...
Rob Kam's user avatar
  • 1,866
3 votes
3 answers
25k views

Repair grub mbr and /boot using ubuntu 9.04 live CD

I have broken my boot sequence on my XP/Vista/Ubuntu box. I wish to restore the system back to the way that Ubuntu 9.04 (last installed OS) had it setup. I want to do only the mbr and /boot on the ...
Rodney Schuler's user avatar
7 votes
6 answers
11k views

How to create multiboot flash drive

I've found a guide here: http://www.pendrivelinux.com/boot-multiple-iso-from-usb-multiboot-usb/ And found this menu.lst in my flash drive, which seems to be the one that I'm seeing when I boot using ...
soul's user avatar
  • 3,649
69 votes
6 answers
278k views

Boot from USB using GRUB

My friend's laptop was in a car accident (he's fine!). However the laptop is very old its an Acer Aspire 1520 the CD-rom drive is broken and there is no floppy drive. I made him a USB boot before I ...
user685590's user avatar
36 votes
8 answers
181k views

How to make UEFI bios start GRUB, not Windows?

The TL;DR, added in the edit: The question is: How can I make the BIOS prefer GRUB over Windows Boot Manager on the same UEFI boot partition? The problem is not with Grub; Grub does the right thing ...
Jon Watte's user avatar
  • 845
26 votes
2 answers
185k views

How to add Windows 10 to grub boot loader?

I have installed Windows 10 I have installed Linux Mint Silvia and I have chosen a device for boot loader installation - sda. There is not Windows 10 in grub menu when the system starts I have booted ...
user avatar
13 votes
3 answers
138k views

How do I change which monitor my computer uses at boot?

I have two monitors connected to my PC: One computer monitor via DisplayPort and a TV via HDMI. The TV isn't in the same room as my PC, so it's pretty tough to select which operative system to launch ...
Hubro's user avatar
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6 votes
1 answer
12k views

Booting an EXT4 image file from GRUB2

My friend needed a fast HDD so I gave her my small 64GB SDD. This SSD had my Linux install on it. I used dd to make an image of the partition (boot, root and home on one partition). This partition is ...
sjjg's user avatar
  • 61
5 votes
4 answers
28k views

I can't boot to Ubuntu after installing Windows 7

I installed Ubuntu 10.04 and it is working properly, but today I installed Windows 7 to another partition, and now I did not get any boot menu and automatically Windows is working fine still. Is ...
xpect0's user avatar
  • 51
4 votes
4 answers
7k views

How to make Windows bootloader the default?

When I got a new computer, I installed Ubuntu and Windows XP on it. When I turn it on, GRUB shows up and lets me choose between the OSes. All right so far. A while later, I decided I don't want ...
Javier's user avatar
  • 3,853
3 votes
2 answers
7k views

"Reinstalling" the Windows 7 boot manager

I've run into an interesting predicament. I've got two HDD's, one running Windows XP (Primary) and another running Windows 7 (Secondary). I recently installed Gentoo over the XP installation and used ...
Zack's user avatar
  • 512
2 votes
2 answers
4k views

Chaining bootloaders for unusual setup

I'm trying to implement some unusual idea on my PC. I've got a total of 6 partitions: First one is for Windows 7 (my basic OS) 2nd one for Ubuntu 3rd and 5th are Windows storage partitions 4th is a /...
gronostaj's user avatar
  • 56.9k
2 votes
3 answers
577 views

No GRUB after re-installing Windows

I have Windows and I installed Fedora 12 on a separate partition. However, I had a problem with my windows XP SP 3 and had to install Windows on my C drive. When I re-boot I on longer get the GRUB ...
ant2009's user avatar
  • 3,115
25 votes
2 answers
65k views

Reconstructing Windows EFI files in /boot partition (Linux+Windows dual boot)

I'm dual booting Windows 10 (pre-Anniversary Update) and Fedora 24 on a Lenovo IdeaPad N580 (Intel Pentium B960 2.2GHz, 4GB RAM, UEFI with Secure Boot disabled). I originally had just Windows 10 and ...
TheInitializer's user avatar
10 votes
2 answers
58k views

How do I move the Windows 7 Boot Files (bootmgr, ...) to a different drive?

I wanted a dual-boot setup. So first I installed Windows 7 on the 1st partition of one hard drive (we'll call it HDD1), and then I went to install Ubuntu 9.10 on the second partition of HDD1. ...
red.october's user avatar
1 vote
2 answers
713 views

Boot GRUB to entry not booted to last time?

I'm not sure I'd actually do this, but is there a way to make GRUB automatically select the boot option I didn't use last boot? i. e. If I booted into Windows last boot, it selects Ubuntu. If I booted ...
jlc's user avatar
  • 101
0 votes
2 answers
1k views

How To Get Windows To Stop Assuming Precedence Over GRUB?

I have a SATA hard drive with an MS DOS MBR partition table, an ext4 Linux-based OS, an NTFS Windows 7, and an extended partition. I was happily using my ext4 partition for quite some time, but grew ...
Kyle Hawkins's user avatar
0 votes
1 answer
456 views

What's the Best Practice reinstalling windows 7 on a dual boot with ubuntu 11.04

I've posted a question here that I have a 32bits windows 7 on a dual boot machine with ubuntu 10.04 upgraded to 11.04. From the responses I had from the questions, I decided to reinstall the windows 7 ...
black sensei's user avatar
27 votes
7 answers
72k views

How to add a new kernel to grub2

How can we add a kernel to grub2? i knew the stuff we could do with the former versions, but it seems to have changed. What files should we edit?
Amir Zadeh's user avatar
19 votes
2 answers
23k views

How should I set up my dual-boot so that I can hibernate the secondary OS?

So, my previous setup was a triple-boot of Windows 7, wubi-integrated ubuntu, and then fedora on the last partition using LVM. I have tired of not being able to access my Windows files from ubuntu (...
WindowsEscapist's user avatar
14 votes
4 answers
120k views

How to install GRUB from inside Windows 7

I am trying to make a kernel in Visual C++ (Windows) using the tutorial here. What I am wondering is how to install GRUB from within Windows 7. If I have to download Puppy Linux or something I will, ...
elijaheac's user avatar
  • 259
13 votes
2 answers
25k views

IOAPIC[0] not in IVRS table

I have a fresh Ubuntu install from USB. When I boot the PC it takes me straight to GNU Grub, when I select Ubuntu I get the following messages. [Firmware Bug]: AMD-Vi: IOAPIC[0] not in IVRS table [...
Maria Warnes's user avatar
10 votes
2 answers
11k views

HDD Power-Up in Standby: prevent from spinning up

On my Linux Mint 17.1 system I am using a Western Digital WD20EZRX HDD for backup. To minimize power consumption and to extend drive endurance, I want the HDD to normally be in spun-down standby state,...
Finwood's user avatar
  • 203
10 votes
1 answer
78k views

Installing Windows x64 on 32-bit UEFI (EFI-IA32) via GRUB [duplicate]

I am attempting to install Windows 10 x64 (64-bit) on a device that only has 32-bit UEFI (for the moment) Since x64 Linux can be booted via a custom 32-bit GRUB.. I assume it could also do the same ...
goofology's user avatar
  • 571
5 votes
4 answers
70k views

Why do I get a GRUB error after deleting the Linux partition?

I had a dual-boot setup with Windows 7 and Windows Vista. I used Easus Partition Manager and shrank my Windows 7 partition. In the empty space, I installed Linux Mint. I decided I didn't want it ...
user avatar
4 votes
3 answers
29k views

uefi boot not showing ubuntu / GRUB

I've an acer aspire e 14. It has a single HDD with 7 partitions: EFI system on /dev/sda1 Something described as "Microsoft Reserved" on /dev/sda2 Windows 10 FS on /dev/sda3 Linux FS on /dev/sda5 ...
Ignasi's user avatar
  • 141
37 votes
4 answers
42k views

"Unable to find root device" on a fresh ArchLinux install

I have installed the latest version of ArchLinux (2014.06.01) on a MacBook Pro 8,1 (15", if that matters regarding hardware) dual-booting with OSX following the instructions in the official install ...
hlt's user avatar
  • 864
29 votes
3 answers
39k views

How to install grub into an .img file?

I did the following: created an empty .img file with dd associated it to /dev/loop0 with losetup created a partition in it with fdisk formatted such partition with mke2fs copied a custom GNU/Linux ...
Francesco Turco's user avatar
17 votes
2 answers
14k views

Can Grub be configured to remember the last OS you booted into?

I typically have 2-3 OSes in my boot menu: Ubuntu 10.04 Windows 7 [Sometimes, a third option, such as Ubuntu 10.04 Netbook] If I am in an OS other than the default choice (Windows 7 in this case), ...
Matthew's user avatar
  • 14.8k
16 votes
3 answers
28k views

Marshmallow in VirtualBox:installation stuck on GRUB

I'm trying to install android-x86-6.0_20160129.iso in VirtualBox but the installation get stuck at Do you want to install boot loader GRUB Some background: The VM was created from the Ubuntu 32-bit (...
Dr. Gianluigi Zane Zanettini's user avatar
16 votes
5 answers
67k views

How would I reinstall the grub-efi bootloader on Fedora Linux?

I recently installed Fedora 18 using EFI boot. Like the other current linux distributions, it sets up GRUB2 for me. I have experience with re-installing the BIOS version of GRUB when things go wrong....
sourcejedi's user avatar
  • 3,272
15 votes
4 answers
61k views

How to make my old hard drive non-bootable?

Frequently my BIOS for some reason tries to boot to my old hard drive instead of my new SSD. This is starting to get very annoying have to switch hard drive priorities every time I restart my computer....
Jonathan Beaudoin's user avatar
10 votes
7 answers
24k views

How can I change console shell's resolution in ubuntu 9.10

How can I change console shell's resolution? By this I mean the shell when you Ctrl+Alt+F1. I'm running Ubuntu 9.10, I thought this could be done by changing grub's menu.lst file by with grub2 I ...
Alan Featherston's user avatar
9 votes
3 answers
41k views

How can I restore GRUB without a live CD?

I realize that this is a duplicate of a question asked before, but in that question the asker managed to find his live CD and no real answer appeared, thus I am re-asking it. I managed to screw up my ...
gkanwar's user avatar
  • 331
7 votes
4 answers
3k views

How to automatically boot from Linux distro to Windows?

Here's the thing: I've got dual boot computer with Ubuntu 8.04 and XP Pro. Sometimes I want to switch between these two. To do this I need to issue "Reboot" in Ubuntu, wait for grub menu and choose XP ...
Yelonek's user avatar
  • 175
6 votes
3 answers
8k views

Would a Windows 10 install overwrite Linux/Grub?

I'm currently multi-booting Windows 8.1 and Ubuntu. Next Wednesday, I plan to upgrade Windows to version 10, but before I do that I'd like to replace Ubuntu with Arch Linux. Is there any point in ...
Dziugas's user avatar
  • 175
6 votes
3 answers
2k views

Is it possible to choose which OS will be loaded using a hardware switch?

I'm looking for a more elegant way of choosing which OS to boot than using the menu provided by grub, and I think it would be neat to have a switch on the case with two states (e.g. Ubuntu and Windows)...
gris_martin's user avatar
5 votes
2 answers
10k views

Can I dual boot Linux and Windows 7 but use the Windows bootloader instead of GRUB?

Is it possible to have the Windows bootloader point to Windows 7 and a Linux partition instead of using GRUB to point to Windows 7 and Linux? Any links to tutorials, guides, or how-tos would be ...
CT.'s user avatar
  • 2,799
5 votes
3 answers
15k views

How to boot Fedora Live CD iso from a Hard Drive?

I tried to use Grub to boot the Fedora 14 Live CD from its ISO image (SHA256 verified) on the hard drive. I put Fedora-14-x86_64-Live-Desktop.iso in the root directory of the FAT32 partition D: (sda5)...
user avatar
4 votes
1 answer
17k views

grub2 error: out of disk

I'm trying to make a 250G USB hard disk Ubuntu-bootable on a Compaq nc6220 laptop. I've removed all other disks, so /dev/sda (the USB disk) is the only disk other than CDROM. I installed Ubuntu 9.10 ...
Carl Smotricz's user avatar
4 votes
2 answers
4k views

windows 7 not booting after ubuntu partition deletion

I had on my laptop windows 7 and ubuntu server 9.10 (the partition with windows 7 was automatically selected at boot time). Today I wanted to install ubuntu 10.4, and for that I deleted the 9.10 ...
misterjinx's user avatar
4 votes
1 answer
1k views

Windows won't sleep after booting from grub

I recently added a second hard drive to my computer and I am using it do dual-boot Linux (Ubuntu 12.04) with Windows 7. Both hard drives are SATA. I am using the default grub bootloader on my second ...
mkasberg's user avatar
  • 2,603
3 votes
3 answers
9k views

Triple booting Windows 8 Consumer Preview with Windows 7 and Ubuntu 11.10

I already have Windows 7 and Ubuntu 11.10 installed on my laptop, and would like to add Windows 8 Consumer Preview to that list. Here's some information which may be relevant to this question: The ...
K Mehta's user avatar
  • 155
3 votes
4 answers
33k views

Can I erase a GRUB bootloader?

I installed ubuntu on my Windows 7 pc. Automatically it used the GRUB bootloader. Then I learnt how to use VirtualBox. I have no need for Ubuntu. So can I delete Ubuntu and GRUB while leaving Windows ...
user83241's user avatar
  • 315
3 votes
2 answers
1k views

3TB SATA hard drives into an old Linux system

I have a 3 year old PC with 4 internal SATA ports. My old SATA hard drives, all smaller than 2TB, work fine. If I buy a 3TB SATA hard drive, will it work in Linux? Will Linux with GRUB be able boot ...
pts's user avatar
  • 7,320
3 votes
1 answer
2k views

Clonezilla disk to disk clone on a dual boot ubuntu karmic & XP setup - cannot open '/boot/grub/device.map'

I just tried to clone a failing existing boot drive for a dual boot system with Ubuntu karmic and Windows XP installed using Clonezilla. The cloning worked fine right up until the end when I got the ...
srboisvert's user avatar