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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2answers
6 views

Can I remove grub by connecting the HDD to another computer?

Related question is here. TL;DR: had dual boot, reset to factory settings on Windows, and didn't remove Ubuntu and grub first. Now I'm stuck with grub rescue prompt. Can I remove grub manually when ...
2
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3answers
449 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 ...
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1answer
4k views

Can't get 1440x900 resolution with GRUB2 although vbeinfo says it's available

I'm trying to use GRUB2 in graphical mode with 1440x900 resolution, but the result is always garbled nonsense: the highest resolution I can get is 1280x800. Word is from googling that long as vbeinfo ...
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0answers
6 views

Installing bootloader on a mac

Due to a somewhat odd requirement for a particular linux installation, with a particular software suite, I found it best to use ddrescue to populate the harddrive with the partitions and their data. ...
2
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0answers
99 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 ...
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2answers
3k views

How to fix Truecrypt MBR using Command Prompt or Linux live USB?

I was playing with TrueCrypt and decided to make a fresh installation of Windows 7 from USB stick. Unfortunately Windows 7 installer: "setup was unable to create a new system partition" My entire ...
0
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0answers
8 views

How can I change the startup options on a (L)Ubuntu bootable USB drive?

I'm trying to install either Lubuntu or Ubuntu on an old Dell Netbook which has a 32-bit processor and 1 GB of RAM. I copied the Lubuntu ISO to my USB flash drive using a 3rd party program called ...
1
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0answers
34 views

boot loader(GRUB) not recognized in partition along with windows boot manager

First, I'll explain my situation Device: ASUS x205ta with 32GB eMMC (Windows 8.1+Bing installed). Lets call this /dev/mmcblk0 usb flash drive: 64GB Sandisk ultra. installed Ubuntu 14.04. Lets call ...
0
votes
1answer
290 views

Recover BIOS on Lenovo U310 Touch after Windows 10 rollback

I have a Lenovo U310 Touch. Before the start of the problem, I used to have a dual boot configuration with Linux Mint 17.1 and Windows 8.1 installed side by side. I used to have a GRUB bootloader with ...
6
votes
2answers
690 views

Installing Windows Update 3033929

I am using grub as default boot loader for my dual boot laptop (DELL Vostro 3750). My system is currently undergoing a reboot loop (infinite) because of Windows Update 3033929. As described here: ...
7
votes
2answers
14k views

Making “default saved” work with GRUB2…?

I just installed Moblin Operating System. It's using GRUB2. On my Ubuntu 8.04 GRUB 0.97 was being used in which i was using the default saved option comfortably. I found that with GRUB2 i should not ...
0
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0answers
11 views

Unable to install grub for Archlinux on vmware fusion

I am trying to install Archlinux on vmware fusion. Everything went well until I had to install grub. The problem is when I try to run: grub-install --no-floppy --recheck /dev/sda I get the following ...
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0answers
12 views

Linux/Win Dual Boot: Install Visual Studio 15 with GRUB

This is kind of an assumptive question and I have done some cursory searches but most of the results were more about how to dual boot, not this specific question. I have a Debian/Win 8.1 setup ...
0
votes
1answer
46 views

Debian - missing /by-uuid/ in boot image

We proceeded few disk operations on our server (system disk was extended for new hard drives) and unfortunately after reboot boot stuck on error: ALERT! ...
6
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6answers
58k views

Grub rescue, unknown file system. Can't boot into Windows 7

I am confused, so I am also going to use this question to get clarification and fix my computer. Some background: I had Windows 7 on a 1 TB HDD and decided to partition my hard drive into two ~500 GB ...
1
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4answers
10k views

error: no such partition. Grub rescue

I deleted my Linux (Ubuntu) partition from Windows and I forgot to repair the MBR. I don't have my windows boot CD with me nor a CD drive. Is there any small utility that can be easily downloaded (I ...
1
vote
1answer
20 views

Grub won't boot after patitioning Windows 7

I partitioned my Windows 7 into two drives using Minitool Partition Wizard. I also have a Ubuntu partition on the same computer. After the partition was over, it restarted into the Grub rescue mode ...
0
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0answers
18 views

Linux (Ubunu) only boots sometimes from GRUB - Windows boots fine everytime? [closed]

I have a strange boot problem: I have a Lenovo E540 laptop with an SSD harddisk. It had Windows installed when it was delivered, and I install Ubuntu GNOME 14.04 along with the default Grub ...
0
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0answers
15 views

How to get Grub 2.0 to see usb device on (USB 3) expresscard

Im runing ubuntu off of a usb flash drive. My laptop does not support booting from my expresscard (nor has any usb3 ports other than what i have added via my expresscard). I'm using Grub 2.0x that ...
0
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2answers
22 views

Do I need two /boot partitions for a dual boot system

The current partitioning as shown in Gnome Disks is: /dev/sda1 Linux Bootable 500mb /dev/sda2 Linux LUKS Encryption 478gb (this is LVM) Free Space 21gb In /dev/sda2, there is /, swap and /home. I ...
0
votes
1answer
38 views

unknown filesystem grub rescue ubuntu

I have linux under windows partition. I have 4 disks in which one of them windows is installed and 2 for data. Another one is 15GB hard drive, Which always asks me to format either I open it in ...
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0answers
32 views

Linux and Windows EFI - Not enough space

I already have Windows installed on my machine, and I'm trying to install an EFI boot manager such as Grub, rEFInd, or gummiboot on Arch Linux. Whenever I try to install any of these three options I ...
0
votes
1answer
3k views

Add Windows boot entries after installing Ubuntu?

I have Windows 7 on its own bootable hard drive, Windows 8 on its own bootable hard drive and Ubuntu on its own bootable hard drive. I'm using the BIOS to manually select on which hard drive to boot. ...
0
votes
1answer
4k views

How do I remove Grub and restore the XP bootloader without access to XP setup/recovery media?

I have a Lenovo T430, with Windows XP (32-bit). I tried to remove Ubuntu from my HDD by deleting the partitions in Disk Management. Now, when I restart my computer, I get the following message: grub ...
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votes
1answer
31 views

Triple boot laptop no longer boots after deleting partition

I am facing a problem on my Lenovo laptop Model No : G500. When I press the power button, then the lenovo screen flashes and the laptop further does not boot,the lenovo screen freezes. It also does ...
2
votes
2answers
3k views

Dual booting Linux/Win7, Grub refuses to load Win7

Decided to give Linux Mint a try (Ubuntu's interface annoys me), so I installed it with the intention of dual booting with Windows 7. Installation went fine, but now I can only boot into Linux Mint. ...
0
votes
2answers
36 views

I can no longer access the BIOS (Computer Freezes)

I have a new Lenovo T440 with Windows 8.1, I have installed Fedora 22 to have dual boot, I started playing around with grub2-customization and some of the BIOS settings (secure boot and legacy vs ...
0
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0answers
23 views

ubuntu, login, instant power off! ubuntu just did updates… dual boot windows working

Boots up past grub fine, gnome loads...loads.. shows my user account for a split second then click, system turns off instantly. just did a system upgrade/update. no weird software installed. running ...
0
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0answers
16 views

Graphics screen instead of GRUB 1.98 for dual boot Ubuntu/Windows

I want to have some graphics instead of a regular GRUB screen when selecting which operating system to boot. I know about grub_customizer, but it doesn't really do what I need, it's pretty limited in ...
4
votes
2answers
19k views

Making grub boot the CD-ROM

Instead of going to the BIOS every time, I'd like to add an entry in grub menu to boot the CD-ROM. Best definitive way of doing this ?
1
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1answer
126 views

Ubuntu 15.04 (Vivid) is so slow at startup

My laptop is Dell Inspiron N4050 that its RAM was upgraded to 8 GB. I have dual boot OS (Win8 and Ubuntu). My laptop is so slow when booting from Ubuntu It takes about 2 minutes but Win8 will boot at ...
0
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1answer
3k 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 ...
0
votes
2answers
86 views

Dual boot Windows 8.1 and Ubuntu

I just got a Lenovo X1 Carbon and I am flabbergasted on dual booting -- having the record in the boot manager. Cliff Notes It came with Windows 8.1. I shrunk the Windows partition (within windows ...
1
vote
1answer
3k views

What is the correct way to install linux on a Macbook Pro

I've had a lot of trouble doing this. It always is unable to boot after installation (I get the famous question-mark in a folder thing). I've installed http://www.rodsbooks.com/refind/ however after ...
0
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0answers
16 views

Multiple Windows EFI entries in GRUB

I have bought a new pc and installed Linux and Windows in dual boot mode. I have installed Windows 8 (which I upgraded to 8.1) and afterwards I installed Xubuntu and selected the Windows disk as the ...
0
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0answers
30 views

Boot fully encrypted Windows 8+ with GRUB without password using keyfile

I have a current setup so that my entire linux (including /boot) is encrypted and when I first start grub a password is needed to access /boot from my linux partition. But my entire windows partition ...
0
votes
1answer
3k views

With Centos 7 as a Virtualbox guest on a Mac Host, how can I change the screen resolution of the console / command line?

I am using the minimum install of CentOS 7 with command line access only (no graphic support installed). After spending hours reading online about editing grub files, installing guest additions, and ...
1
vote
2answers
38 views

Restore Windows bootloader on Virtual Machine [duplicate]

I recently p2v'ed my old Computer into a virtual machine. Since it had a dual-boot and I only copied the Windows partition this broke GRUB. I can still boot Windows with Rescatux though. So my ...
0
votes
1answer
32 views

Cannot boot ISO on only one machine

I have a version of Ubuntu 14 on DVD and USB to boot from. This ISO boots from other machines via both DVD and USB, but it will not boot on the particular Dell I need it to. Initialization crashes ...
0
votes
1answer
92 views

GRUB2: /boot as BTRFS subvolume

Aside from /boot, all my partitions (including root, /) are BTRFS subvolumes. I'm switching to BTRFS RAID1, and for the sake of integrity, want to include /boot within the BTRFS partition. Preferably ...
0
votes
1answer
29 views

Install windows7 and ubuntu 14.04 on a computer which already has windows and ubuntu 12.04 installed

I have installed windows 7 and ubuntu 12.04 in 2 separate partitions in my machine and I can access both using the GRUB. Now I want to re-install windows 7 and ubuntu 14.04 to my machine. What is the ...
5
votes
1answer
761 views

Stuck on GRUB command prompt after regular kernel update

I am running Debian Wheezy. Update Manager suggest to install kernel update. After update, I reboot system but instead of listing all the kernels (bootloader), it gave me a GRUB command prompt: ...
0
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0answers
49 views

showing unknown file system entering rescue mode .. grub rsescue

i have an error on the starting of my laptop screen window which is unknown file system entering rescue mode.. grub rescue< i had seen many videos on youtube which runs some command for resolving ...
0
votes
1answer
28 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 ...
2
votes
3answers
1k views

How to select OS via grub on headless system?

I have a dual boot system (Linux and Windows) that I normally run headless and which boots by default into Linux (which is what I use mainly). This all works fine, except that on occasions when I want ...
1
vote
1answer
35 views

Reinstalled windows 7 now can't get access to dual boot [duplicate]

I had a dual boot setup with a Debian based distro (crunchbang) as primary and win 7 also installed. Recently I reinstalled win 7 on it's existing partition but now the boot loader is gone and win 7 ...
1
vote
2answers
2k views

Grub 2 Password Protection in debian?

I do as the following run grub-mkpasswd-pbkdf2 to get a string nano /boot/grub/grub.cfg add tow lines set superusers="putyourusernamehere" password putyourusernamehere grub.pbkdf2 ...
0
votes
1answer
43 views

Kali Linux and Win 7 dual boot, I want to change the active partition and bootloader, not sure in what order

I created a partition for Kali Linux and a Live USB. I used the Live USB, was intrigued by what I saw ( first time ever seeing Linux ) and chose to install but the install wouldn't complete. Several ...
0
votes
0answers
36 views

MacBook Pro - Install CentOS 5.7

Apologies if this appears to be solved by Google searches, but I've searched and tried all sorts of suggestions for 2 days and still cannot get this right. I would like to install CentOS 5.7 on my ...
1
vote
2answers
2k views

Edit boot menu when booting from a live CD

My laptop has a nomodeset problem; check the link for more info. Basically, I would need to add nomodeset in grub in order to boot any linux distro. If I want to use a distro, I'd need to install it, ...