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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548 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: ...
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91 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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416 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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380 views

Stuck at GRUB prompt after booting, how can I restore normal booting?

My machine was dual-booting with Windows XP and Fedora, then I tried to install Arch. While installation power went off. After that, booting always results in the GRUB prompt. Even when I instruct my ...
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218 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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134 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 ...
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266 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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544 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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5k 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 ...
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593 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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285 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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67 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 ...
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126 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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483 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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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, ...
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470 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 ...
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241 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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19 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 ...
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23 views

Unable to change screen resolution on Debian 7 Server running without GUI in text mode

I am trying to change the screen resolution on a server running Debian 7 without a GUI. This is bare metal not a VM. I have tried the previous answer to this problem by adding the following settings ...
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48 views

Can’t boot into Linux Mint after installing Arch Linux

On my computer, I have Windows 8.1, Linux Mint, and recently Arch Linux, installed in a partition scheme like so /dev/sda1 SYSTEM (Win 8 bootloader, BCD, etc.) /dev/sda2 Windows 8.1 ...
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33 views

Can GRUB discern between power on by magic packet and power on by hardware button?

I have a dual boot win 7 / linux Mint with GRUB 2 as Bootloader. I was wondering for some time now if it is possible to set up GRUB to display a OS list when I start computer by pressing the power ...
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44 views

How do I modify the GRUB boot menu?

I have dual boot Windows 8.1 and Ubuntu 14.04. When Ubuntu installed GRUB, it created two entries for Windows 8.1, one for /dev/sda1 and one for /dev/sda2. How do I change the boot menu entries to ...
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45 views

Does grub2 try to load stage 1.5?

I try to hunt down a multi-os boot problem but for this I have to understand what does GRUB2 trying to do. The mbr was overwritten by grub2 at debian wheezy 7.7 installation. As wikipedia states: ...
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29 views

How to recover my ubuntu (start ubuntu from a raw disk partition)

I have windows 8 PC. 931 GB HD (641 windows and 200 gb for ubuntu.) windows and ubuntu in different drives. Ubuntu partition is a raw type of disk drive while windows is a ntfs. when I needed to ...
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33 views

Can't boot from any source

I recently tried to install the Windows 10 developer preview on my laptop. The installer seemed to hang immediately after I selected my install partition, but I left it for about an hour to make sure ...
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197 views

Boot Ubuntu, Windows 8.1, and Windows 10 Technical Preview with Grub

On my computer, I have two hard drives: one that contains Windows 7, and another that has Ubuntu, Windows 8.1, and Windows 10 Technical Preview. When I turn on my computer, Grub prompts me to select ...
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60 views

Windows 7 changes my uefi default boot when it starts

I installed Windows 7 in a HP Compaq 6300. First I disabled secure boot and enabled legacy mode. Then I installed Ubuntu in other partition. Ubuntu detected some uefi partitions and let me create / ...
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61 views

Dualboot Ubuntu Server and Centos. Grub installed in the Ubuntu partition. How do i edit the configuration files from Centos or run grub commands?

As the topic says. I'm running both Ubuntu Server and Centos. Grub is installed to the Ubuntu Server install (/dev/sda). I want to run some grub commands to edit its configuration files, more ...
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34 views

Safe to blank MBR of a disk after adding it to an RAID1 array with mdadm?

I created a RAID1 array of two disks, /dev/sda and /dev/sdb, using mdadm. After several booting problems related to the BIOS and SATA/RAID controller of the board, I accidently created some new ...
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86 views

my grub is not show my win 8 along with kali linux

i install kali in my windows 8 PC but it don't show my windows in my grub I tried to update the grub but it don't work and neither it shows grub2
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164 views

Restoring Windows boot entry on GRUB

I made a lot of mistakes lately with my systems, and now I have an issue. After installing fedora 20, I tried to resize my windows 7 partition, and generated an error with the actual size of the ...
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24 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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33 views

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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374 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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0answers
59 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 ...
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287 views

Is 3200x1800 resolution possible in Hyper-V?

I've got a Lenovo Yoga 2 Pro (Windows 8.1), which has a screen resolution of 3200x1800. I'm trying to run Ubuntu 14.04 in Hyper-V at full screen on it. I've tried the steps listed here, but I can only ...
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730 views

Unable to access UEFI settings on Lenovo

I have a Lenovo G580 on which I installed Windows 8 and several Linux distros which have messed with my booting. The last I used was boot-repair tool. I have an EFI partition on sda2. The Grub load ...
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26 views

Prevent chainloading by grub after Efit

I triple booted my Macbook 4,1 with Mac OSX 10.5.8, Lubuntu 14.04 and Windows XP SP3 and installed rEFInd as my bootloader. Now what basically happens is, first the Mac bootloader loads invisibly, but ...
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219 views

Ubuntu - Booting black screen with purple border

I have a problem when I boot the pc. After the installation of Ubuntu, a black screen with a purple box appears without letting me see the choices of GRUB. The screen then becomes black and Ubuntu ...
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710 views

Can I change a ubuntu partition from sdb to sda?

I have just gotten into Ubuntu and I'm not quite familiar with partitions etc. But I have Ubuntu installed on /dev/sdb. But I want to move it to /dev/sda. Current partition listing below. Can I just ...
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0answers
124 views

GRUB unknown filesystem error after managing Windows 7 partitions

I'm using Debian and Windows 7 located on one HDD, in dual boot. Windows 7 had two partitions (system partition C: and general-use partition G:). Recently I've cut the G partition in size and created ...
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39 views

How to change the partition which MBR points to?

I can not boot my computer, so I use Ubuntu 12.04 Live CD instead. I change the partition of boot loader from sda9 to sda8, so the MBR cannot point to the correct loader. How could I do now? How to ...
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70 views

Razer Anansi doesn't work in GNU GRUB 2

My new Razer Anansi keyboard does not function in the GNU GRUB version 2.00-19ubuntu2 bootloader that's running on my machine. The backlights do not turn on, and the keyboard is unresponsive. This ...
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0answers
486 views

Dualboot Fedora 20 + Windows 8 on separate drives

Well hello there, I have a little problem with my dualboot setup. So I decided to dualboot Windows (for gaming-puposes) and Fedora (for everything else), and I also decided to give them separate ...
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137 views

multi-booting Linux distros in the same partition

When I install a linux distribution, I allot the disk space to be used during the installation. I could only use up to the allotment. When I am running out of disk space I have to manually shrink one ...
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35 views

Repair Windows 8 Bootloader within Ubuntu

I was trying to boot Ubuntu from the Windows bootloader using EasyBCD, but it ended up removing Windows from the menu. I ended up reinstalling Ubuntu and now I have Grub with Windows 8 as an option. ...
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315 views

Dual Booting Kali Linux with Windows 7. Atheros Killer E2200 not found + 2 different HDD

I'm having trouble installing Kali on a MSI GE70 2OE with a SSD HD and a standard SATA HD. I've installed W7 on the SSD, and then partitioned my SATA in two parts: One 800Gb for W7 and another 200Gb ...
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53 views

Grup graphics lag

I've just set up Ubuntu 13.10 on a new laptop. It's a thinkpad T540p and grub is having some really strange problems. After the bios flash screen grup starts to load. The screen goes black and the ...
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0answers
343 views

Can't boot in windows 8 after installing lubuntu and running boot-repair

I installed lubuntu to a flash drive on my windows machine. Because the boot manager wouldn't find the usb I ran boot-repair. Now Grub can't find Windows 8. To make matters worse I can't mount my hard ...
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74 views

How can I set … Windows 8 & Ubuntu 12.04(LTS) Dual Boot: Windows 8 as default OS

I recently installed Ubuntu 12.04 (LTS) on my laptop with Windows 8 already installed. The installation was successfull and I get to use Ubuntu alongside Windows 8. When i start Windows 8 it shows the ...