Questions tagged [grub2]
Grub2 is Grub version 2, a multiboot bootloader from the GNU project.
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Windows 8 changes boot order
I installed Windows 8 and Ubuntu 12.10 on a 3TB GPT disk in UEFI mode.
Both can boot up OK.
Both operating systems created their ntries in the UEFI boot menu, there's an "ubuntu" and a "Windows 8" ...
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Create Windows 10 USB installation drive with Linux only
By udisk, I mean a 2.5 inch HDD placed in an External Hard Drive Enclosure
I'm quite familiar (not professional, daily use only) with Linux (Arch&Ubuntu) but newbie to Windows. Sometimes I ...
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Boot Win10 from an ISO-Image on a certain partition using GRUB2
I have bought a laptop (Lenovo ThinkPad T520) with a locked BIOS. So I can't change the boot order of the laptop. The upmost device in the boot order is the internal HDD. Fortunately there is a ...
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Linux installation won't boot due to GRUB "no such device" error
I think I've exhausted all I know to do, so I'm sending up the flares. I'll try to cover it all (albeit, in pieces), so please be patient.
I decided to install Linux Mint 11 where I previously had ...
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How to make grub2 chain-boot Win8 after upgrading Fedora18 to Fedora19?
The story
I have Lenovo IdeaPad U310 with 24gb SSD, 500gb HDD and UEFI system. I flashed it with EFI from U410 for more info http://forums.lenovo.com/t5/Linux-Discussion/Installing-Fedora-17-on-U310-...
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Why does my USB hdd returns SG_IO: bad/missing sense data?
I am able to boot and run commands from external USB hdd; the message in question appears for about 45 seconds then booting continues. GRUB2 is installed on internal HDD. When choosing to boot ...
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String manipulation in Grub2
One of the new features of Grub2 is scriptability. At my work we're using it to great affect. However, I recent stumbled on a terrible short coming. There isn't any string manipulation or ...
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Cannot re-enable Bitlocker
I've installed a fresh Windows 10 in a partition on my system, enabling bitlocker. Then I booted Linux from the other partition and overwrote the master boot record with Grub so I could boot Linux and ...
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Changing GRUB_TIMEOUT value doesn’t seem to work
Yes, I did do sudo update-grub.
Changing the /etc/default/grub GRUB_TIMEOUT variable seems to work once, but then after that first time every time I reboot the timeout is 30 seconds and my time I set ...
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From GRUB2, boot an ISO in an LVM2 logical volume
tl;dr - Is it possible to boot from a .iso file that is located in an unencrypted lmv2 logical volume? How?
I'm trying to set this up in a VirtualBox VM before I do it for real with my laptop. I have ...
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grub entry for console only
I have just installed ubuntu 16.04 alongside windows 7, and would like an option in the boot menu for a console only. I found the following entry in /boot/grub/grub.cfg:
menuentry 'Ubuntu' --class ...
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How to boot Linux with extlinux
EDIT: Just adding my two more cents after this question becomes a "popular" one. I had been a great fan of grub because it was able to boot everything that I used. However, when grub2 came, I really ...
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Grub2 MBR vs. Windows MBR
I have an HP system that came with Vista installed and also a hidden restore partition. I subsequently upgraded to Win7(32 bit) Ultimate, and from there to Win7 Pro. Now the hard drive is failing. ...
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Make GRUB 2 boot Windows 8 safe mode
I have a dual boot configuration: Windows 8 Consumer and Ubuntu 11.10.
I tried to install the Asus drivers for my motherboard (P8Z68-V LE EFI) in windows 8, and i now get bluescreens when starting ...
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Windows 10 / Linux Dual Boot - Boot-loader Problems
I am currently running a dual boot of Windows 10 Home 64-bit and Xubuntu 15.04 64-bit on my machine. I have Windows 10 on an SSD, Xubuntu on another SSD and an HDD for storage formatted as NTFS (this ...
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Partition problems after resizing
EDIT3
This might be quite the hopeless case, so I posted another method that is simpler, but still need some help with.
https://superuser.com/questions/706244/will-this-work-backup-partition-contents-...
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Move Grub to a different drive
I recently added a new ssd to my machine which I intended to have as my main drive. I installed crunchbang and everything went fine, except I unthinkingly accepted updating/overwriting the MBR on my ...
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How to password protect grub boot menu in Fedora 38?
I have been trying to password-protect grub boot menu in Fedora 38. Now, unfortunately, the Fedora guide for GRUB2 is "currently in the process of revision," so I have had to work with other ...
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How to enter Advanced Boot Options menu on Windows 7 without bootloader?
I need a way to enter the Advanced Boot Options menu of Windows 7. The computer is dualbooting with Linux, so GRUB2 has taken the place of Windows bootloader. So pressing F8 on boot won't do anything.
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Error 0xc000007b when trying to start \EFI\ubuntu\shimx64.efi (Ubuntu) through Windows 8.1 Bootmanager on an UEFI System
Error 0xc000007b when trying to start \EFI\ubuntu\shimx64.efi (Ubuntu) through Windows 8.1 Bootmanager on an UEFI System
EFI Entries
During Ubuntu Setup, Ubuntu automatically created an EFI start ...
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Boot different OS if booted via Wake on LAN with GRUB
I have a PC running Windows and Linux. I want the Windows system to be the default system because this PC is mainly used for gaming.
I do, however, occasionally use it as my remote development box.
...
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How can I restore grub for Fedora 17?
I have mistakenly deleted all the grub entries while customizing grub using "Grub Customizer". Now whenever Im trying to boot into Fedora Linux a black screen is coming up only with "grub>" prompt.
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Ubuntu 11.04 (64-bit) won't boot. Forgot to install GRUB 2. Manual GRUB install fails
I cannot get Ubuntu to boot. I downloaded the Ubuntu 11.04 64-bit mini.iso and installed it in Virtualbox (v.4.1.2 running on OS X 10.5.8). When I installed Ubuntu, I selected "Command-line expert ...
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Grub rescue command line, chainloading Windows 7 installer
I currently have grub2 installed on a Baytrail tablet along with Ubuntu 14.10 (64-bit) and Windows 8.1 (32-bit). The tablet comes with 32-bit UEFI only firmware, and a 64-bit atom processor.
Using ...
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2
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How to remove GRUB from dual boot (Debian and Windows XP)
I have a computer witch cannot be boot from CD or USB. I have Debian and Windows XP with dual boot via GRUB. Now I want to uninstall Debian and GRUB and restore the Windows MBR.
I can enter boot ...
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2
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How to add a Windows 7 partition to grub2's list of available OS?
I'm not sure how it happened, but I lost the "windows 7" entry from my Grub2 screen after updating ubuntu.
How can I add it ? I knew how to do it in grub legacy, not in grub 2
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How do I recover the MBR on a Thinkpad t420?
After a messy Linux upgrade of my dual boot Lenovo T420 I ended up with GRUB replacing my MBR. Everything works fine: I can boot both Linux and Windows; the only thing different from before is that ...
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GRUB4DOS error dual boot Kali Linux 2016.2 and Windows 10
I was trying to install Kali Linux 2016.2 dual boot on a Windows 10 laptop, but every time I failed with GRUB4DOS Error. I raised this question a month ago and I found the solution after 2-3 days of ...
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What to consider when evaluating Windows MultiPoint Server 2011?
I want to test MultiPoint Server 2011. Currently, I have a parallel Win 7 / Ubuntu 10.04 installation with grub 2 as boot manager.
Can these two be used parallely to MultiPoint again using grub and ...
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Dualboot: Ubuntu not booting at all. Windows booting goes through GRUB command line
I installed Ubuntu in addition to my existing Windows 10 using a pendrive.But unable to boot into Ubuntu. Initially (before try 4), only Windows Boot Manager and the hard disks were visible in BIOS ...
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How to safely use grub rescue> in Fedora 16? System does not boot anymore
When i boot my PC, i get this in my Fedora 16 distro. I have tried as following but none allowing me to boot anymore. Any help please? I am blocked completely.
Grub loading.
Welcome to GRUB!
error: ...
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boot to windows from aptio BIOS
I have installed Ubuntu, but it has overridden my windows boot option, so now it boots to grub. (I can still select windows from there). I want my computer to boot to windows as I only incidentally ...