Questions tagged [grub2]

GRUB 2 is the next generation of the GRand Unified Bootloader (GRUB). Ubuntu has used GRUB 2 as the boot loader since 9.10 (Karmic Koala). Commonly referred to as simply "GRUB".

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Dual Boot vs Virtual Machine for programming?

I started programming for a while and the first thing that I did is to install Ubuntu latest version (18.04 LTS) for Linux (via virtual box) environment as other developers recommended. So, while I ...
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Installation 18.04 stalled at grub2

Installation of 18.04 stalls at grub2. Ubuntu runs well as trial version. Even put in a new 250GB ssd drive hoping that would solve the problem. Any advice on how to get past this?
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Ubuntu 18.04 only boots in Recovery mode

It's an iMac, but it's been running ubuntu for maybe 5 years without serious issue. Not my computer, so I don't know how this problem started. With some web searching and guesses at where I should ...
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Booting to windows with windows boot manager or bootmgfw.efi

Yesterday I have managed to successfully install and configure Ubuntu 18.04 LTS as a second operating system on my PC.Everything works fine,however there is one thing that confuses me: In the GRUB,...
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How to boot UEFI installed Ubuntu in BIOS?

I installed Ubuntu 19.04 to an external HDD,in UEFI using a laptop. I then tried booting it through my desktop (BIOS only, Windows 10), but an error popped up, about missing normal.mod file, ...
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I can't install grub neither automatically nor manually. Installation is Always stuck when installing grub

Print_req_error : I/O error, dev sda, sector 56 Buffer I/O error on dev sda, logical block 7, async page read It gives me these errors when installing grub and also when booting live. What do they ...
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Need grub rescue help

I deleted Ubuntu then got grub rescue and used all of the commands. I don't have a way to download programs onto a disk/usb. And insmod does not work! I've tried other answers!
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29 views

Can't find HDD drives after extend partition of Ubuntu on SSD

I have a micro server, with one SSD and two HDDs. There are windows and Ubuntu on SSD. After the partition of Ubuntu is full, I tried to extend it. Using a live-usb Ubuntu system and GParted, I erase ...
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1answer
64 views

Ubuntu show grub boot menu and do not auto boot?

I have the issue where every time I boot up my laptop it shows the boot menu and I have to choose that I want to use Ubuntu. I have searched the web and found that others have the same issue, however ...
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1answer
31 views

Error fixing grub after resizing partition (grub-install: error: cannot find EFI directory)

I had a dual boot system and removed the Windows partition using Gparted by booting from a USB. After this, I was not able to boot into the Ubuntu system (or even get to the grub menu). Gparted had ...
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grub2 not deceting pci-e nvme disk (in grub command line) old bios motherboard

i have an old motherboard witch doesn't support nvme boot i've connected nvme disk using a pci-e expandation card nvme is detected in windows and Linux when booted up from old hdd since my ...
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37 views

Trouble after moving partition

After moving the / Ubuntu system partition, I'm having trouble on initialization, getting messages: can't request region for resource... couldn't get size...". After some period of time, ...
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1answer
34 views

Not able to boot into ubuntu after reinstalling it

On my system with ssd+hdd, there is windows on ssd and ubuntu on a partion in hdd. I tried installing ubuntu again as blutooth and some others issues are present. Installation is happening properly(...
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how to install Ubuntu using ttySx / Uart Console?

Is it possible to install Ubuntu desktop using Uart console? Post grub changes able to see info in Uart ttyS4/5 (in my system) using Runlevel 3. But the moment installation start to select key etc the ...
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U19.04 Nvidia 430 issue. bpfilter

I have a laptop with an igpu and nvidia gpu. Yesterday I updated my nvidia driver to use the new CUDA and after reboot the laptop seemed to basically died. I couldn't log in for the longest time, ...
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1answer
47 views

Failing to boot to grub with dual boot Dell laptop

Trying to put Ubuntu on a Dell Latitude 7290. In Windows: The C drive had a large Fat32 partition which I shrunk to create some space for an extra (virtual, possibly?) partition on which to put ...
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1answer
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What did I miss in this booting-iso-from-disk attempt?

I have downloaded an LTS version of Ubuntu and put the iso on a separate ext4 partition on a laptop that default boots 18.04.2 LTS. I've added the appropriate line to 40_custom in grub.d, and run ...
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Use Grub to fix hard drive bootup

SSD - /dev/nvme0n1p1 UUID - db81b2af-0d6d-4ad4-9db5-f68d2e36c079, Partition Type - Linux (Bootable) Contents - Ext4(v1.0 - Mounted at /media/ubuntu/..... 3TB storage drive - /dev/sda1 UUID - ...
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Can't remove Ubuntu from boot priority order

It seems that I can't completely remove Ubuntu from BIOS/Firmware settings of my PC; I also use Windows 10, by the way. I already removed the partitions where I had Ubuntu, and extended my Windows ...
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How can I make a second HD separately bootable?

I have a UEFI laptop with 2 HD successfully configured to dual boot Windows/Linux, using GRUB. The factory installed disk has Windows (+ GRUB), while the second is essentially Linux. (there is a small ...
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30 views

Unable to install GRUB in dev/sda

I'm unable to install GRUB in dev/sda while installing Ubuntu 18.04.2 LTS. Following is my boot-info: http://paste.ubuntu.com/p/kS7Shg5Zmm/. Thanks a lot!
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1answer
33 views

To boot Windows in my Hard Disk from grub rescue mode [duplicate]

I have an internal hard disk of 80 GB in it, I've installed Windows 7. In another External Hard Disk of 1 TB, I've installed Ubuntu 18.04 in a 125 GB Partition. Well this ext hard disk get faulty at ...
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29 views

How does Window 10 hardcode the path to UEFI that should be used instead of GRUB?

I had an installation of Ubuntu since > 3 years working well in a dual-boot setting with Windows 10. 90% of the times I use Ubuntu only, but today I booted into Windows to play a game and it took me ...
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Error message when trying to open Ubuntu [duplicate]

I loaded Ubuntu on a computer yesterday. Everything worked fine and I shut down at the computer's pace. Today I tried to start up and I got this error message: error: file '/boot/grub/i386-pc/boot....
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Installing Ubuntu without external media, UEFI for recent versions

I have a new laptop, on which I would like to setup a dual-boot configuration with Windows 10. Windows 10 is installed on the main SSD, and I plan to install Ubuntu on the 1TB external HDD by creating ...
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1answer
47 views

NVME Disk failure causing boot partition corruption, bad-superblock error

I recently installed Ubuntu 18.04 Server on the nvme drive of a PC. During installation, I chose to use GPT and EXT4. After operating normally for a few weeks, the system had a disk failure, and then ...
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1answer
46 views

No boot option after installing Ubuntu

I was trying to install Ubuntu 16.04 on my laptop(Asus) but NOT with windows as I erased the full drive to be just for linux. I had the problem of GRUB which is: Unable to install GRUB in /dev/sda ...
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I deleted my Ubuntu partition [duplicate]

I deleted my Ubuntu partition from my HDD and than rebooted PC. But after rebooting it showed grub rescue>. What should I do. Thanks
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2answers
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GRUB2 - Create 2nd boot entry with different kernel command line options in GRUB_CMDLINE_LINUX_DEFAULT

I want to have a separate boot menu entry at boot. The only difference is the value of GRUB_CMDLINE_LINUX_DEFAULT. The original (first) boot has empty value for GRUB_CMDLINE_LINUX_DEFAULT, and the 2nd ...
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Windows 10 is not booting after installing ubuntu alongside [duplicate]

I am new to this and was curious about running Ubuntu on my laptop running windows 10.. I couldn't not find the Grub menu after installing ubuntu so I went back into windows and found a so called ...
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1answer
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Expanded Ubuntu partition size, now loads into grub

I ran out of space on my Ubuntu 16.04 partition so I used easeUS partition master on Windows 10 to shrink my Windows partition, move the unallocated space over, then expand the Ubuntu partition. Now ...
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2answers
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After Windows/BIOS update, GRUB boot option gone and I can't boot to LiveUSB

I am running a dual boot Windows 10/Ubuntu 16.X on an ASUS Zenbook UX330U. After a Windows and possibly BIOS update yesterday, the option to dual boot is missing. BIOS Home Screen I can only ...
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1answer
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I want to install Windows 10 alongside my Ubuntu [duplicate]

I have an issue where i want to install WIndows 10 alongside Ubuntu 18.04 LTS because i can't play most of my games such as Roblox. If i do so, Windows will eat the GRUB bootloader and i will have to ...
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28 views

Dualboot is working incorrectly ubuntu can't run normally, but win 10 works

(Laptop: Dell Inspiron Gaming 15 7000 w/ 16 GB of RAM, Intel Core i7, 1050 ti video adapter, disk one SSD w/ Windows, disk two HDD w/ Ubuntu with some games and apps from windows). If I launch ...
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30 views

GRUB repair issues

Old computer, installing Ubuntu Server from bootable USB (v 18.04.1) Had issues with 18.04.02, GRUB would not install. Setup: 2.7ghz Dual core, 6gb RAM, newly updated BIOS (updated after install ...
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24 views

Critical Failure, need to reinstall

I unfortunately in my naivety, destroyed my Ubuntu 18.04 LTS installation on my HP pavilion laptop in one line involving the "rm" command. I can only access the GRUB command line by pressing F10 at ...
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Ubuntu grub os probe creating bad entry for Arch

I recently did a new build, and wanted Arch on it - I have heard good things about it. Naturally, I also wanted a few others on there to make sure I had something I 'knew' how to run. Neither Ubuntu ...
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Grub resolution issues - Ubuntu 18.04

At first glance, the question seems pretty redundant and useless as many forums have already answered most of the queries regarding grub menu and fixing its resolution. However, I have been troubled ...
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Why is my GRUB menu background in ubuntu 18.04 black? [duplicate]

I installed some additional desktop environments in ubuntu 18.04, and I don't know if this has something to do with it, but around the time installing these desktop environments, I discovered that my ...
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71 views

19.04 - HP - System BootOrder not found. Initializing defaults. + Rebooting instead of Shutting down

My laptop is an HP ProBook 4540s with Kubuntu. Under 18.04 and 18.10, I did not have this issue. In 19.04 I do. I tested this many times. 2 issues. First one is, when booting, I get System ...
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37 views

Grub rescue with no linux partition

I was loading ubuntu off a usb alongside Windows 10, after restarting I am getting the grub rescue menu with "no such partition". I can see my different partitions with ls but all of them return "...
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1answer
93 views

Unable to dual boot windows 10 and Ubuntu 18.04 on separate drives

I'm trying to install Ubuntu on my main SSD and windows on my secondary hard drive for games. After a lot of hassle with trying to preserve my original ubuntu I bend the knee to installing Ubuntu ...
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I Cant set up VAM in UBUNTU 19.04

I have Ubuntu 19.04. I have been trying to Set up VAM { Virtual airline manager}. Every time i upload the files from System there is an error code saying it cant upload it. The error is { SQL query } ...
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45 views

Grub rescue prompt after Ubuntu 19.04 installation

I have been trying to install 19.04. After installation I ended up with grub rescue prompt. Tried to fix using boot-repair. But couldn't fix the issue. Can someone please take a look at this: http://...
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1answer
46 views

Black Screen with Cursor After Nvidia Update in Ubuntu 16.04 Xenial

Trying to "fix" an error, I seem to have made things worse. Upon boot, I was getting a failure of some sort. I got details by trying to send a bug report and it said it was something about building ...
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Double Lowlatency Kernel Entry on Grub [duplicate]

I just notice that my grub has two entries, one Ubuntu and another one Ubuntu (lowlatency), and both of them are loading the same low-latency-kernel. The Ubuntu entry should load the generic kernel ...
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1answer
59 views

boot-repair fails with 'No known boot loader is installed in the MBR of /dev/sda.'

I'm running a Windows 10/ubuntu dual boot system and have successfully used grub as boot manager until today. However, today the system unexpectedly failed to display grub at startup and instead ...
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24 views

Ubuntu 16.04 partition doesn't boot after resizing

I hope you guys can help me because I'm beginning to be hopeless to find my data and all my work... I spent 2 days going through many forums to find a solution but nothing works. This is my problem: ...
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1answer
49 views

Dual Booting Mistakes & Installation Headaches [duplicate]

Please forgive me; I will attempt to keep this as short and to the point as possible Pre-Context: So initially, my laptop was dual booting Windows 10 & Linux Mint (this was my first instance in ...
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1answer
37 views

Ubuntu Dual Boot UEFI vs Legacy Boot Issues

A little background, I’m trying to install xubuntu on my mom’s laptop HP Envy17 Windows 7. Initially, I was having issues installing and found a fix where I setup a 200MB EFI partition. I’ve managed ...