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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102 views

PC won't boot from flash drive after computer hibernated (grub on hdd corrupt too)

I had 3 OS installed: Windows 7 , Fedora 17 and Mageia 2 in my Acer Aspire 4253 laptop. I deleted the partition of Mageia and my grub got corrupted. I didn't have an installation DVD of either Win7 ...
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15 views

Dual booting ubuntu 14.04-windows 10 on separate ssd and efi partition

I have a laptop with two ssd and one hdd (hdd is for storage,not os) and I have windows 10 installed on one ssd and I want to install ubuntu on other ssd. However I can not disconnect drives during ...
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0answers
80 views

Decrease /boot size on Fedora 23

I have a problem with my /boot partition. It only has 200 MB which is insufficient - it is almost full. I have already unistalled old kernels (via dnf, keeping only the latest one) but there are ...
3
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0answers
162 views

Windows 7 not showing on Grub 2 list

I have Linux Mint and Windows 7 installed on two separate drives. I have bounced between the two all day (initially trying to get mint to show in the windows boot list, and now working on getting ...
3
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0answers
496 views

Making grub boot into chroot directory

I am trying to make grub boot into a chroot directory /slack containing a Slackware Linux installation. This directory was created by issuing the following command: installpkg --root /slack a/*.t?z ...
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1k views

Grub: Legacy 'ask' parameter no longer supported

I'm trying to change the resolution on my base shell (the Ctrl+Alt+1) shell in Debian so that it supports my ViewSonic monitor. The shell appears really fuzzy when it is displayed on my lcd monitor, ...
2
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0answers
115 views

Linux boot fails with /dev/disk/by-uuid/XXXX does not exist - Asus Zenbook Pro Touchpad Not Working

Device: Asus Zenbook Pro ux501vw-ds71t Ubuntu Version: 15.10 I installed Ubuntu 15.10 and the installation was successful. However, the Elantech touchpad did not work. I read that the newer ...
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82 views

Grub is in unusable state since w10 update

I am on a Vaio laptop with Debian Jessie / W10 dual boot and Grub 2.02~beta2-22+deb8u1. Since W10's latest update something weird happened to my grub-efi. When I boot my computer I get this error ...
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1k views

Windows 10 ISO in Grub2 Multiboot

I'm attempting to create a multipurpose AIO USB stick for everyday use. So far I've been able to get Mint, Tails, And Hiren's boot cd all successfully working off of one device similar to the tutorial ...
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45 views

btrfs mounts wrong subvolume on boot

My system uses btrfs for its root volume, with daily snapshots. I'm trying to roll back to a recent backup, but it persists in mounting the same subvolume on boot even though I updated the default ...
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39 views

Grub-2 not booting Windows

I have openSuse 42 and Windows 8. After a clean installation that worked very well (even dealing with UEFI), I just noticed that windows does not boot. I took a picture of the error I get . This ...
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384 views

Grub not showing after installing Elementary OS alongside Windows 10 [UEFI]

I've tried to install elementary OS alongside Windows 10 in a UEFI machine. I first did it with Secure Boot enabled, using the "something more" option. I configured the root and swap partitions as I ...
2
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0answers
575 views

Installed Ubuntu next to Windows 10 caused nothing to boot anymore

The following broke my PC. Installed Windows 10 Education x64 final release Booted Ubuntu 15.04 install disc Installed Ubuntu with option to install next to Windows Installation said it has been ...
2
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2k views

Restore MBR on a Toshiba Satellite Click Mini laptop with Windows 8 after uninstalling Debian 8 using EasyBCD

The Toshiba Satellite Click Mini is a special computer, it doesn't have any CD/DVD drive and the BIOS is special and very limited, it looks like this: When I select "Enter Setup" I have a menu like ...
2
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0answers
152 views

Windows 7 screen not displayed after installing Ubuntu

I bought a new Lenovo laptop with DOS and I wanted to make it dual boot (Ubuntu 14.04 and Windows 7, both 64 bit). I took the following steps to install both systems: Installed Windows 7 OS ...
2
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0answers
78 views

Boot Debian with external monitor as primary display device

I have an old HP laptop with non-working display. So i decided to convert the laptop to a private server. I connected it to my TV and installed Debian 7.7. The installation was smooth with the display ...
2
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0answers
293 views

PC reboots after “Welcome to Grub” unless booted from BIOS

I have a Linux machine running on an ASUS P8H77-I. The boot drive is correctly set in the BIOS. If I let it boot normally, I see the Welcome to Grub line, then it reboots, and repeats forever. If I ...
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0answers
338 views

Dual Boot with Windows: Enable numlock

After I installed Ubuntu along with Windows, in both OS's I had to manually enable numlock (despite having enabled a setting for this in the BIOS I believe). Is there a way to enable numlock?
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660 views

Having problems with booting GRUB for EFI on USB stick

Whatever I do, it constantly drops me into the 'bash prompt'. Never displays a menu, nothing. I'm running GRUB on a USB stick formatted as msdos (so, FAT) and when I boot into it, GRUB simply won't ...
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0answers
6k views

How do I replace GRUB with the Windows 8 bootloader without losing access to Linux?

I dual-boot Windows 8 and Crunchbang Linux. I installed Windows first, then Linux. GRUB was installed directly in the MBR. However, now I suspect that GRUB is the reason why I can't use bcdedit on ...
2
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0answers
745 views

CentOS Freezes on Startup

I'm very new to Linux, so please go easy! I created a Linux install on VMWare Workstation 8 in order to install a piece of software called OpenClinica. The program is Java based and depends on ...
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345 views

using Grub to boot windows 7 off an extended partition

I am trying to set up a multi-boot computer with grub that will allow the user to boot to VxWorks or one of several windows instances. The partitions are set up like the following: Vxworks - (hd0,0) ...
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72 views

Computer stopped booting after I tried to allocate a drive to unallocated space

I installed Ubuntu on my Windows 7 yesterday and after that I booted to Windows. After that as I saw an unallocated space while installing Ubuntu, I tried to allocate that unallocated space to make it ...
2
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0answers
1k views

grub refuses to install to raid array

I have a software raid 0 setup with dual booting Windows 7 and Ubuntu 12.04. The GRUB bootloader that is already on the hard drive seems to work fine. However, since the latest package update for ...
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127 views

Possible HDD malfunction. Need help in diagnosing

Today when using my PC as I did for almost 4 years I experienced the following: during opening new tab in Opera browser screen froze. Music (AIMP 3) continued to play for about 5 minutes and then ...
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511 views

GRUB will not work

I am having trouble with my hard disk. Previously, I had a working Linux Mint Debian Edition partition and a Windows XP partition, all working and bootable through GRUB. However, I decided to replace ...
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0answers
561 views

How can I set the menu font in GRUB 2?

I've just been forcibly upgraded to Grub 2, and I'm having trouble because the fonts in the GRUB menu are ugly and small. I have successfully set the screen resolution with GRUB_GFXMODE=1920x1200x32 ...
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0answers
611 views

Use GRUB/GRUB2 to PXE boot OS image

Here is the situation I am in: I currently have a Windows drive that boots XP. The BIOS does not support PXE booting so this is out of the question. Therefore, I was thinking I could install a ...
2
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0answers
244 views

Error re-installing grub: windows partition corrupted?

I am a Linux newbie, had Windows XP and Ubuntu installed (9.10/ grub2) and working perfectly. I had to re-install Windows XP and thus I followed the official tutorial to reinstall grub2 (and run ...
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16 views

How to configure Grub for Android-x86

I have: Debian GNU/Linux 8.4 (jessie) installed on old Gygabyte laptop. Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): ...
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62 views

Recovering deleted/overwritten partition

Short: By mistake I overwrote my partition table using the tool testdisk. I would like to recover my data and operating system. Using the tool testdisk I have located the lost partitions on my disk. ...
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10 views

Preserve numlock state during cryptdisk boot password prompt in plymouth

Each time my computer boots, there is prompt for password to decrypt hard drive (ubuntu is using plymouth). I'd like to use numeric keypad, but unfortunately plymouth changes numlock status to off ...
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25 views

My old CentOS 6 computer died. How do I make a new one boot with the old HDDs?

As the title says, I have had a CentOS 6 box for some years, but recently it died. Since it was quite old, I've upgraded it with a whole new box (new psu, motherboard, RAM, CPU), but kept the HDDs. My ...
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0answers
345 views

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

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 ...
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0answers
12 views

How does grub find the device in which grub.cfg resides?

As I understand it, the uefi bios loads grub.efi from the efi partition. This now loads a bunch of grub modules and the configuration file from the /boot directory. But how does grub find the correct ...
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59 views

How do I install GRUB as a boot loader when I currently use Mac OS X (Yosemite)

I currently have a Hackintosh running Mac OS X Yosemite. I'm in the process of updating it to El Capitan any day now. I have an empty drive slot that I'd like to install Ubuntu onto. I'd like to use ...
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0answers
34 views

grub always hides menu and boots to Ubuntu 14.04; must press ESC

No matter what I change in /etc/default/grub or /boot/grub/menu.list, grub always hides the menu, shows a 10 second countdown timer, and then boots to default (Ubuntu 14.04). To access MacOs, I must ...
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0answers
14 views

How to restore grub boot on a /boot partition after windows 10 booting restoration

I just installed Debian testing but it didn't put Windows 10 into grub booting options so I restored Windows 10 boot with this tutorial http://www.qliktips.com/2012/11/fix-windows-8-boot-issue.html ...
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45 views

tty resolution breaks down after suspend & resume on Linux

I am running $ uname -sr Linux 4.0.5-gentoo with an Nvidia GeForce 750 Ti card and $ eix nvidia-drivers [I] x11-drivers/nvidia-drivers ... Installed versions: 355.11-r2^msd(01:51:54 ...
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0answers
66 views

Cant boot FreeBSD 10.1 using grub2

I installed FreeBSD 10.1 on a machine that has Xubuntu already. The installation completed successfully but im not able to boot it. On my grub boot screen i get only 2 options: ubuntu and advanced ...
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190 views

How to fix a messy GRUB config with Windows 10 and Ubuntu 15?

This is my set up - I have an SSD with Windows 10 and Ubuntu 15 dual booted, and an additional HDD which I use for extra data. Every so often I will get this error when selecting Windows 10 from the ...
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0answers
252 views

Grub can't recognize Windows 10

I previously had Windows 7 installed alongside Ubuntu 14.04. I recently upgraded to Windows 10 which removed the grub bootloader. So, I used boot-repair from a live USB to restore grub. But now grub ...
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0answers
27 views

Why is GRUB working on one computer but not the other?

I've installed Arch Linux on to a USB stick. The stick is partitioned as GPT, and there are two partitions - an EFI boot partition, formatted as FAT32, and a boot partition formatted as EXT4. When ...
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118 views

Remove 'Windows Boot Manager'

When I wanted to dual boot Windows 10 and Kali Linux, I have done the steps in this guide, I had finished it, but my computer will still boot into Windows 10. Whenever I would boot off the hard drive, ...
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164 views

Using GRUB to boot into encrypted windows disk

This is similar to other questions already asked here before. Still none of them actually answered my problem. My PC has two SSDs. One containing Windows 7, one containing Kubuntu 15.04. The Linux ...
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0answers
81 views

deleted linux mint from windows 8 dual boot reinstalled linux can't make it work

I have a lenovo g710 laptop with windows 8.1 preinstalled.I made a dual boot with linux mint and everything was ok.Then i did something in linux terminal and when i restarted the pc linux wouldn't ...
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0answers
94 views

How to restore the access to the Samsung BIOS after restoring the MBR with the Dual-boot Repair tool on Windows 10?

I have a Samsung Ativ Book 2, which came with Windows 8.1 as I bought, but I updated to Windows 10. I needed to make a dual-boot with Ubuntu 14.04 because of my work, but I didn't wanted to risk it, ...
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0answers
54 views

Win 7 boot issue after ubuntu dual install - can't rebuild BCD

I have been struggling with boot issues ever since I decided to install ubuntu 14.04 LTS along Win 7 64 bits on myVAIO computer. To install it I chose "Something else" and resized the partition myself ...
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85 views

Recover a Windows partition (under GRUB) and lost files

I am bringing this question and comments here, after feeling stackoverflow wasn't a place for me. I hope, at least, get some help here. Thank you very much indeed in advance. I really need a solution ...
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247 views

Execute setpci at boot

I'm using grub to execute two setpci commands when starting Arch on my MBA. These commands solve "startx black screen" issue for me: setpci -s "00:17.0" 3e.b=8 setpci -s "02:00.0" 04.b=7 Now I want ...