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.
1,020
questions with no upvoted or accepted answers
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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 rEFInd however after installing Debian I still ...
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7
votes
2
answers
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grub-pc update-error on Windows Linux Subsystem
After sudo apt upgrade following error constantly appears:
$ sudo apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
...
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5
votes
1
answer
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BSOD, MBR corrupt, tried to fix using Testdisk on Linux dual boot, now nothing works
The short story is I received a BSOD from a Windows program. I then couldn't boot Windows. My system is set up with GRUB to dual boot into CentOS, so I booted into CentOS and attempted to fix the MBR ...
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5
votes
1
answer
481
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Triple booting on a Mac Book [almost there]; boot loader issues
Here is my current GPT/MBR partition table:
Current GPT partition table:
# Start LBA End LBA Type
1 40 409639 EFI System (FAT)
2 409640 663646255 Mac OS X ...
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4
votes
0
answers
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Boot memtest86 from hard drive
Is it possible to boot into memtest86 from the hard drive (i.e. add it to my Grub menu), without burning it to a CD/USB, or creating an extra partition.
I expect it should be possible, because Debian ...
4
votes
1
answer
1k
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Windows sometimes doesn't boot after Ubuntu 16.04 dual boot installation
After installing Ubuntu alongside Windows 10 on my computer (Ubuntu on a hard drive, the grub and windows 10 on a NVMe drive), sometimes Windows will not boot all the way, and boots slowly when it ...
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4
votes
0
answers
931
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Missing Operating System after install of ubuntu on a macbook as only os
I have installed Ubuntu on a 2009 MacBookPro (intel 64 bits) using the iso ubuntu-16.04.1-desktop-amd64.iso and unetbootin to create a live USB.
So basically, I followed the tutorial to create a usb ...
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4
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0
answers
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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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4
votes
1
answer
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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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4
votes
0
answers
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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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4
votes
0
answers
138
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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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4
votes
0
answers
992
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
...
4
votes
1
answer
3k
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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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4
votes
3
answers
5k
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Configuring GRUB to choose different OS when inside VM
On my laptop, I've got a dual-boot configuration with Windows 7 and Linux OSes installed.
I am also using Linux via Oracle VirtualBox (through raw VMDK file) when working in Windows.
Since I have ...
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4
votes
2
answers
1k
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GRUB-2 Bootloader fails to load for lack of floppy drive. Ubuntu 10.4 & Windows XP
2010.07.21 while trying to install Ubuntu 10.4
Hello all,
I've been trying to install Ubuntu 10.04 on my Dell workstation and am unable to get the Grub-2 bootloader to load properly. It seems to be ...
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3
votes
0
answers
2k
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Selecting entries in boot manager without using keyboard
My goal is rather simple to put in words: I want to install Windows and Chrome OS in dual boot on my Surface Go 2 and be able to select entries in the boot manager without having to use a physical ...
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3
votes
1
answer
2k
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How to load MacOS from an APFS partition using GRUB2?
This is a Apple machine, not a Hackintosh. Before Apple switched to APFS, you could put this inside a menu entry in GRUB:
set root=(your OS X partition)
chainloader /System/Library/CoreServices/boot....
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3
votes
2
answers
3k
views
grub install failing on SSD
I have a very frustrating problem. I wanted to set up a USB stick with a full install of Linux (I have gone for Zorin OS 15.1 but also have tried this with Ubuntu 18.04), that I could boot from any ...
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3
votes
1
answer
446
views
Accidentally partitioned & formatted my boot partition
While reformatting several portable disks with gparted, with disk 5 I made a terrible mistake: I forgot to choose the correct disk, so gparted took the first listed one, which fortunately was not my 1 ...
3
votes
0
answers
5k
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Ubuntu 18.04 cannot mount /boot/efi
I have an Ubuntu Server installation that doesn't start up because the disk which contained the EFI partition is broken. I inserted a new HDD and created a new EFI partition by using GParted (new GPT ...
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3
votes
0
answers
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Cannot boot ISO from GRUB 2
I have a problem when booting a Deepin ISO image with GRUB 2 from USB. I have been trying to fix the problem for almost a week now. Here is the grub.cfg file:
# GLEE USB GRUB2 Configuration
# ...
3
votes
0
answers
654
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Grub: execute other MBR (VeraCrypt)
I have
installed Windows and encrypted it with VeraCrypt
made a backup of the VeraCrypt MBR (actually everything up to the first partition: dd if=/dev/sda of=/some/file bs=512 count=2048)
installed ...
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3
votes
1
answer
7k
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How to boot into ubuntu directly?
I am dual booting Ubuntu 15.10 and Windows 10. The problem is that the system boots directly into Windows. There is no grub menu shown during startup. In order to boot into Ubuntu I have to press ESC ...
user51248
3
votes
0
answers
1k
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Getting to the GRUB menu using IPMI on a supermicro server
I have supermicro server running Grub 2.02 BETA 2. I kind of inherited this box, so I am kind approaching things gingerly. The box supports ONIE and I want to install a new image, but the first ...
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3
votes
0
answers
4k
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Dual Boot Windows 10/Arch Linux grub not loading
I am having issues dual booting windows 10 and arch linux. Laptop boots straight into windows.
I tried reinstalling the grub but cannot override the windows boot manager. I tried fixing through ...
3
votes
0
answers
599
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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3
votes
0
answers
994
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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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3
votes
0
answers
1k
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How to manually boot with grub or: how to boot a 32bit Linux OS on a 32bit only UEFI firmware computer?
I want to install a 32bit Linux (e.g. Ubuntu) on my Intel Atom Bay Trail tablet, but I fail to get it to boot. The device's firmware only supports 32bit bootloaders. There are guides that somewhat ...
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3
votes
0
answers
181
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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 / ...
3
votes
0
answers
267
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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
votes
1
answer
3k
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Cannot find grldr in all devices
I'm running wubi on XP machine. Started out originally with 8.04, and gradually upgraded to 10.04. Recently, I was creating linux bootable USB drive, and put it in my system to see if it would work. ...
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3
votes
1
answer
564
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How to add an item GRUB 1.98?
I am having trouble with GRUB version 1.98.
I have been using GRUB 0.97 for a long time and can do pretty much what I want with it.
It appears that the last version of Debian (6.0) installs GRUB 1....
Michel
2
votes
0
answers
12k
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Grub failed to get canonical path of overlay
So, I've tried to install dwm lately on artix base on Qemu, but I cant get over the installation process. The errors start droppin after I try to install grub. Things I did:
cfdisk /dev/vda
I ve ...
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2
votes
0
answers
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How do I fix the blurry text in linux terminal (nvidia)
The linux console (e.g. ctrl-alt-f2) on my ubuntu 22.04 install is blurry, while my displays report 4k resolution coming via display port.
I'd like to have a crisper text and more console space. It ...
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2
votes
0
answers
241
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how to prevent Windows dual boot from changing BIOS boot priority
I have dual boot running Windows and Endeavour OS, and it will usually boot nicely into GRUB and I have my 3 seconds or whatever to select Endeavour, my recovery partition, or Windows. However, each ...
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2
votes
1
answer
184
views
Unable to install Linux in a PC with Windows 10
This is my problem:
I have a netbook PC with this issues:
Lenovo ideapad 320
CPU: Dual Core Intel Celeron N3350
RAM: 4 Gb
Hard disk SSD SATA 500 Gb
This computer is running Windows 10, and I want to ...
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2
votes
0
answers
143
views
Attempting to set up dual boot of Linux Mint 20.2 on MacBook Pro, but GRUB fails to install
My work recently gave me a new MacBook Pro to use. Since my last experience with Macs was in 1997 when I was 10 years old, I quickly decided to set up the MacBook to dual boot Linux Mint, as that's ...
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2
votes
0
answers
326
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Unable to boot even from usb drive
Problem description
After shutting down my computer last night and starting it again this morning, I have for no apparent reason lost the ability to boot into either of the installed OS (Windows 10 / ...
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2
votes
0
answers
394
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How to prevent GRUB from scanning lvm snapshot?
My root file system is a LVM2 logic volume, and there are few snapshots of it beside.
Every time when I run update-grub, it always add menu entries for those snapshots as if they are normal volumes. ...
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2
votes
1
answer
948
views
BIOS screen edges cut off when displaying over HDMI to TV
I've connected my desktop computer's HDMI output to one of my TV's HDMI inputs, but when I boot up into the computer's BIOS, the left and right edges of the BIOS screen are cut off significantly. The ...
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2
votes
0
answers
427
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Making an API call in a GRUB script to select OS to boot
I have a computer with multiple operating systems and GRUB installed. The system is often woken up over LAN using a magic packet, but without someone being physically present, it's not possible to ...
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2
votes
0
answers
464
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Why do Linux distros use both the grub and syslinux bootloaders?
Whenever I open a Linux distro iso file there is always a grub and an isolinux bootloader, I realized they use isolinux to boot the installation.
Can't we use grub for that? is isolinux faster and ...
user948420
2
votes
1
answer
1k
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Freshly Installed Ubuntu 20.10 freezes abruptly with HP pavilion - AMD Ryzen 5 4600H - Nvidia Graphics 1650
I installed ubuntu 20.10 on HP pavilion laptop in dual boot with windows 10 home.
I am able to login to ubuntu but it randomly freezes after some time and I need to do a hard reset to restart.
The ...
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2
votes
0
answers
225
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Booting Linux from scratch off of an external hard drive
I first posted this on stack overflow and it got closed with the suggestion to post here.
I have finished the building portion of Linux from scratch (Version 10.0) for the first time. I opted to build ...
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2
votes
0
answers
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Ubuntu Error: failure reading sector 0x100800 from 'hd0'
My laptop freezed, so I restarted my system manually, and ended with the Grub terminal. I tried running the ls command in Grub terminal and got the result as
grub> ls
(hd0) (hd0, gpt2) (hd0,gpt) ...
2
votes
0
answers
129
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GRUB booting wrong partition
I have a dual-boot installation with Windows 10 and Ubuntu 18.04. I recently bought an SSD NVMe m2, and I would like to move the partition with Windows 10 on the SSD. In order to do this, I cloned the ...
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2
votes
0
answers
406
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Windows/Ubuntu dual boot - no option menu, immediately boots Ubuntu
This would be a duplicate question if any answer in this question worked for me. So here is what I did so far:
I created free space on the disk using the windows disk management tool
When installing ...
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2
votes
0
answers
4k
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GRUB with higher resolutions - really slow
My monitor's native resolution is 4k. However, when I run GRUB in 4k (or even at something around 720p), it is extremely slow (about 1 second lag between keyboard events and reaction on the screen).
...
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2
votes
0
answers
829
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Dual Boot: "Invalid partition table" & cannot boot into Windows 10 anymore
I recently re-did my system setup, having two separate SSDs because Windows usually tries to screw Linux installations up if it's on the same physical disk.
HDD layout
HDD0 | nvme0n1 | Samsung SSD ...
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2
votes
0
answers
718
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Veracrypt loads Grub bootloader instead of booting Windows after decryption
tl;dr: When I enter the password for my encrypted Windows partition, the Grub bootloader on another partition is loaded instead of booting Windows. What is responsible for what is done after Veracrypt ...
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