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".

Filter by
Sorted by
Tagged with
0
votes
0answers
9 views

Unable to dual boot ubuntu alongside windows 10/11

Laptop: Acer Nitro 5 System Details CPU: AMD Ryzen 5600H GPU: RTX 3060 BIOS Details UEFI (unchangable) SATA: AHCI (unchangable) Before I attempt to dual boot: I enable F12 boot I disable Fastboot ...
0
votes
0answers
30 views

Bootloader install failed - ubuntu 20.04, boot-repair did not help

I'm having issues while trying to install ubuntu 20.04 alongside windows 8.1. I am compeletely new to this so i followed this tutorial (I should mention that I had no option to ,install ubuntu ...
1
vote
1answer
3k views

How to keep Secure boot when dual booting ubuntu 16.04 with windows 10?

I'm new to Linux and I just successfully dual-booted my Windows 10 and ubuntu 16.04. The deal is I would like to maintain Secure Boot as enabled. When I first installed ubuntu and restarted my PC, ...
0
votes
0answers
10 views

Black Screen until boot is finished after installing Grub

So I had Windows 10 installed and wanted to dual-boot it with Kubuntu. After installing I first tried to make it so that I could choose between Windows and Kubuntu in the Windows Bootmanager. I soon ...
1
vote
3answers
5k views

Installed grub to wrong partition

I was helping a friend remotely to dual boot Ubuntu with Windows 8. He installed Ubuntu to /dev/sda7 and when it asked for where to put the bootloader, he selected the same (/dev/sda7) When he ...
-1
votes
0answers
15 views

Ubuntu 20.04 slow boot up

Is it normal to take 25 seconds to load ubuntu? /most of the boot time screen is black. /if there is anything to speed up the process kindly let me know.
0
votes
1answer
21 views

Deleted boot partiton to extend another partition

stupidly my disk setup was set up as sda1 as root, sda2 as boot, and sda3 as additional storage. I wanted to merge sda1 and sda3 partitions. What I did was make a image of sda2 (boot), deleted it and ...
0
votes
0answers
14 views

Typing at grub command line and editor slow and error prone

I recently needed to boot my Ubuntu 21.04 system in single user mode in order to correct a filesystem issue, which meant editing the grub boot instructions, and using grub was a remarkably painful ...
0
votes
0answers
7 views

black screen after reboot with a twist

Strange situation Got a black screen after an update and reboot. Ubuntu 21.04, HP Laptop Note: not an expert, can barely tie my shoes After trying all the "this will work" ideas on the ...
-1
votes
0answers
12 views

On lenovo e4125 wifi doesn't work (Realtek)

I am using kde neon ... At first when I installed it on my lenovo e4125 wifi doesn't work (Realtek) ... So I had to go into bios make this realtek boot first and then grub ... Now wifi is working but ...
0
votes
0answers
11 views

BIOS and grub don't appear in dual boot

I have Ubuntu 20.10 and Windows 10. For several months grub didn't work. It appeared but I couldn't load Windows or BIOS from it, but in the past months I could enter the BIOS settings by pressing F12 ...
1
vote
3answers
5k views

Standalone Grub2 EFI installation - grub.cfg placement?

I'm trying to use Grub2 as the boot manager on an EFI system in standalone mode. (The only persistent harddisk has OS X on it; Linux and Windows drives may or may not be present at times, hence the ...
1
vote
0answers
24 views

chose also between windows installations (win10/win11/ubuntu) with grub customizer instead windows boot manager

I'm using grub customizer in Ubuntu 20.04 to dualboot into ubuntu/windows, but I also have two windows versions installed in following setup: 1tb M.2: Windows 10 pro (Main) 250gb M.2: Partition 1: ...
0
votes
2answers
726 views

What is the reason for '' error file '/boot/grub/i386-pc/normal.mod' not found'' in ubuntu?

This is the third time when I have to reinstall ubuntu because of this problem. Please tell me what am I doing wrong?
0
votes
0answers
20 views

linux boot error -blank screen- read cache enabled write cache enabled doesn't support dpo or fua- kernel panic not syncing.shutting down cpu with nmi

Im new to linux. I have an old pc that used to run windows 7 ultimate. one day, while booting it froze at the loading logo. Tried many methods but didnt solve the boot problem. So i thought this would ...
0
votes
0answers
18 views

ubuntu doesn't boot and grub menu doesn't show (grub-efi-amd64-signed purge cancelled)

I couldn't boot ubuntu because of GRUB error so i followed online forums and tutorials and I found out a solution. So I Booted into my LiveUSB and selected 'Try Ubuntu without installing'. After that ...
2
votes
1answer
3k views

Nouveau Error while installing Ubuntu on Macbook Pro

I installed Ubuntu 18.04.1 on a late 2010 Macbook pro. I deleted macOS to have Ubuntu as the primary OS. I was having trouble installing as it could not install the GRUB bootloader. I ended up ...
1
vote
2answers
25 views

Bios settings for Dual Booting Ubuntu and Windows

I have a thinkpad x1 that has both windows and Ubuntu installed. When I installed Ubuntu I had to make some bios changes but recently I reset my bios settings and now it boots straight into windows, ...
-1
votes
1answer
40 views

My ubuntu 20.10 freeze just before the login screen

last night I left my pc on standby and this morning unable to turn it back on. I forcibly turn it off again and after selecting ubuntu in the grub I just have a black screen with my cursor which is ...
11
votes
3answers
57k views

I need to see the BCDedit for a Windows10/Ubuntu install both by Wubi and by separate partition

I seem to have windows passing by on GRUB/Ubuntu. There's no Ubuntu folder under Windows. I can boot from firmware to Grub, then choose either OS. I removed Wubi/Ubuntu and reinstalled directly to the ...
1
vote
0answers
4k views

Ubuntu 20.04 executing 'update-grub' failed while installing

What happened: I originally had this problem: After installing ubuntu 20.4 from live session, while rebooting getting different errors each time. I did not get any answers there so... What I tried: ...
0
votes
0answers
41 views

Trying Linux again after 29 years? [closed]

Years ago I played with "Lindows" and reached a stage where it was useful. So years later (now) disappointed with W10 I tried to load Ubuntu 20.4 & Desktop, Mint Xfce & cinnamon and ...
0
votes
0answers
13 views

“Cryptodisk not found” after new installation of unencrypted Kubuntu

I attempted to have a clean install of kubuntu onto an SSD with KDE Neon which was encrypted with LVM. Both the HDD and SSD are now unable to be booted, and the error "Cryptodisk not found" ...
0
votes
0answers
136 views

Dual Booting ubuntu 20.04 and windows 10 no longer working

I had a working Windows 10 Thinkpad E530c, then I installed Ubuntu 20.04 using Grub. This setup worked fine. But I used one to many commands in Ubuntu and messed up my Ubuntu side and could not fix ...
0
votes
1answer
4k views

Error “mount: mount point /mnt/boot/efi does not exist” when trying to reinstall grub

I had to run fsck on the main partition and this led me to not have grub anymore. So I tried to reinstall it following the instructions here. The first solution got me the error "mount: mount point /...
1
vote
1answer
3k views

Re-configure GRUB to directly boot to Ubuntu on dual-boot

I'm curently Dual-booting between Windows 7 and Ubuntu 13.10 both are 32-bit I'm installing it on a HDD with Ubuntu Bootloader installed on an external Pendrive (So if i want to boot Ubuntu i must ...
1
vote
0answers
36 views

Ubuntu 20.04 installation corrupted my windows

Recently I tried to install Ubuntu 20.04 LTS on my windows 10 as dual boot. I created a new partition in my windows and tried to install Ubuntu in it. The process was complete but when I restarted and ...
0
votes
3answers
12k views

how can I fix error: hd0 out of disk?

I am running Ubuntu 12.04 on a netbook - Acer AS 1410. After a download session, I restarted the computer and it said: error: hd0 out of disk. Press any key to continue... I pressed everything, ...
-1
votes
0answers
22 views

HP Omen laptop with Ryzen4800hs. Installed zorin15.3 after restart it won't boot [closed]

I loaded Ubuntu zorin15.2 and the system booted fine. A few months later I went to boot up and got a black screen. So I installed Zorin15.3 and after restart I get black screen that says. [ 5....
0
votes
1answer
79 views

Grub unable to access TFTP server to load grub config

I am attempting to pxeboot and install Ubuntu 20.04 on my target computer configured to use UEFI. My build server is a Raspberry Pi running Raspbian. I am using dnsmasq as the dhcp/dns/tftp server for ...
1
vote
2answers
284 views

Does “Erase Disk and Install Ubuntu” replace the default boot screen?

I am new here. And I may replace a laptop's hard disk with Ubuntu. It's an HP Compaq notebook which has Windows 7 installed. So If I choose that install option, will it replace the screen that says ...
0
votes
1answer
36 views

cannot remove bios and grub entry of Ubuntu 20.04 LTS

I am currently using Debian 10 and I was using Ubuntu 20.04 LTS along with Windows 10 Home in dual boot. And to install Debian 10, I have deleted the Ubuntu partition from disk-manager on Windows. ...
3
votes
4answers
6k views

Booting Ubuntu: Stuck at grey screen

Yesterday I formatted a formerly shared hard drive(with Windows 10) into one exclusively for Ubuntu. Today, when booting up, I don't get to actually boot; when choosing Ubuntu from the grub menu, the ...
0
votes
0answers
81 views

Install does not detect secure boot capable UEFI despite secure boot being turned on - NVIDIA drivers fail to load until disabling secure boot

I've had this ongoing issue with my 20.04.1 (and also 18.04.5) Ubuntu install and I've tried multiple ways to ensure this could get installed with secure boot. I currently have windows installed on an ...
0
votes
2answers
2k views

Installation freeze at GRUB2 on Acer TravelMate Spin B1 B118-RN-P7XQ

When installing Ubuntu on my Acer TravelMate Spin B1 B118-RN-P7XQ the installation stops/freezes when installing GRUB2. When I then reboot the notebook (so the installation is not complete) I get to ...
1
vote
1answer
47 views

Ubuntu 20.04 LTS freezing at boot/startup

I was doing some machine learning with Nvidia GPU when I ran into an error that was CUDA related. I decided to reboot my computer to fix the error but when booting Ubuntu, my screen freezes. I opened ...
0
votes
1answer
57 views

Dual boot: Grub works but menu is not shown

Summary: Grub menu is not showing but it is working, since I can access its options using arrow keys and ENTER. I have a Dell Inspiron 5420 with dual boot, Win10 + Ubuntu. Windows came pre installed ...
1
vote
1answer
18 views

Grub not recognizing btrfs partition after Ubuntu installation

Recently I've installed Ubuntu 20.04 (ext4). On the same disk was installed Linux Mint 19 (btrfs). I was able to mount partition, copy files, etc. It wasn't corrupted. After installing Ubuntu grub was ...
2
votes
0answers
29 views

Androidx86: /android-8.1-r6 not found

I'm new to linux and changing OS from computers, I wanted to have Lubuntu and Androidx86 in dual boot so partitioned the disk accordingly, both OS where installed but android86 didn't appeared in grub,...
1
vote
0answers
17 views

Ubuntu - USB mouse/kb work at boot up, then deactivate at login screen!

My external Logitech USB keyboard and track ball mouse work perfectly at boot time (and on the GRUB screen), then when the Ubuntu login screen appears, they stop working every time. I have to unplug ...
0
votes
0answers
23 views

Boot Repair-No repair recommend

http://paste.ubuntu.com/p/cxmBdFRsQC/ This is the link that was provided for me as I was only given this option and not the recommended repairs one. At first it was saying to enable the repository for ...
0
votes
0answers
22 views

After install of Ubuntu 20.04 LTS, the monitor will shut off before I can get to boot screen

I did an install of Ubuntu 20.04 on a 2tb nvme. The install goes fine but after I restart the computer, the monitor will shut off during boot. I can get to BIOS if I hold F2 but I can’t get to a Grub ...
1
vote
1answer
34 views

In Ubuntu 20.04 is it possible to show only custom menu entries in grub?

Is it possible that grub shows only the menu entries from /etc/grub.d/40_custom? If yes, how? Thx.
9
votes
6answers
118k views

GRUB menu not showing with dual-boot UEFI mode installation

Previously I had Dell Inspiron Laptop with Legacy Boot and MBR disk partitioning with pre-installed Ubuntu 12.04. I needed dual boot with Windows. So I formatted it completely using Live USB, ...
0
votes
0answers
23 views

Ubuntu won't boot (Mac M1, parallels desktop)

I have had my MacBook M1 with a version of Ubuntu installed via Parallels since about February this year. All was working correctly with it but yesterday I started getting some errors when trying to ...
0
votes
0answers
15 views

How to get Bootable x86 install on HDD Partition beside Win XP

Short story: Installed xUbuntu beside Win XP on an new partition - cant get a boot to linux in the BIOS or Background: I have an old HP Lenovo S10 Ideapad that I want to make into a Linux 'netbook'. I ...
0
votes
0answers
20 views

New Ubuntu installed on new drive, boot loader is in old drive

This is a follow-up for this question I installed a new Ubuntu installation on a new SSD. In the installation, I selected the new SSD as the device for boot loader installation. When I turn on my PC I ...
4
votes
0answers
153 views
+50

Is there a proper solution to “Keyboard and Mouse not working after boot” problem?

I recently replaced a smashed screen on a HP Spectre x360 G2, running Ubuntu 20.04LTS. However, after booting up again I had lost the use of the laptop's touchpad and keyboard (NB. devices still ...
1
vote
1answer
44 views

Ubuntu 20.04 LTS - llvmpipe (LLVM 11.0.0, 256 bits) and unknown display and can't change resolution in display setting

_os "nvidia iso" today.(ubuntu 20.04 LTS) but i dual boot it with windows 10 with grub bootloader. in about menu it shows me graphics "llvmpipe (LLVM 11.0.0, 256 bits)" but my gpu ...
10
votes
4answers
149k views

update-grub command not found

I'm trying to update my grub config on ubuntu server 12.04.3 to include the GRUB_RECORDFAIL_TIMEOUT variable as described here: https://help.ubuntu.com/community/Grub2. The procedure says run update-...

1
2 3 4 5
238