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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How does one use GRUB_DEFAULT to select a default OS for boot? [duplicate]

I am running UBUNTU 17.10 and have more than one Linux kernel that I might want to run. According to the current grub manual, GRUB_DEFAULT is "the default menu entry. This may be a number, in which ...
Joachim Martillo's user avatar
1 vote
0 answers
626 views

Ubuntu 16.04 won't properly wake up from suspend

I've been trying to fix this problem for a while but I can't find a solution. The laptop goes to sleep without any problem but when I open it up again the fan starts working and the screen goes on, ...
BourbonCreams's user avatar
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330 views

Freeze on boot on grub2 screen

I need the help of the community because I have a problem when I boot my computer. Immediately after pushing the button, I have this screen, where all is stuck and freezed. I can’t Pick a partition ...
Valentin's user avatar
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2k views

Ubuntu boot failed and Windows Boot Manager boot failed

I had Ubuntu 17.10 installed beside Windows 10 and all things were working normally. I deleted the Ubuntu partition then the windows partition and finally formatted the hard disk. Now when I open the ...
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1 answer
3k views

Ubuntu/Windows 10 dual boot multiple efi

I recently installed ubuntu alongside windows. I partitioned the drives manually and read that you need 1 efi(esp) per disk and was afraid of overriding windows files on the original. Another ...
Dominucius's user avatar
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60 views

Why does sudo update-grub show multiple versions of the same kernel [duplicate]

I have been running Ubuntu for years now but I am one of those users that thank the stars that Ubunutu 'just works'! I am having a problem which I find hard to put into a search. I upgraded to 17.10 ...
djailer's user avatar
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GRUB boots Ubuntu to dark purple screen, forced to override with Advanced options works but how do I set that as the default?

The Details I am dual booting Ubuntu 17.10 on a Razer Blade 14" that also has Windows 8.1 installed. On boot, it shows the dark purple-ish GRUB screen, stating "GNU GRUB Version 2.02~beta3-4ubuntu7" ...
Spencer Hill's user avatar
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1 answer
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Why does Ubuntu 16.04 hang up on splash screen when starting?

A red triangle with an exclamation mark prompted me to search for the reason my system was not able to install updates. I found a site that said to run: sudo apt-get update sudo apt-get upgrade This ...
lonslo's user avatar
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2 answers
965 views

Dual boot loading windows boot manager

I have SSD and HDD on my computer, I installed ubuntu along side Windows 10 on the SSD, but when i turn on my computer Windows 10 was loaded without GRUB showing. I followed the order in this video: ...
Noa Or's user avatar
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1 answer
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grub missing (ubuntu dual boot Windows 8.1 )

i just recover grub, but it doesn't working ( Dual boot Windows 8.1 and ubuntu 16.04.3) bcdedit show this bcdedit and diskpart this diskpart , i'm sure that ubuntu installed on my hard drive from ...
Bachana's user avatar
1 vote
0 answers
148 views

acpi keys not working on Asus UX550V

A bunch of ACPI related stuff is not working: fn Keys f1 through f9 (f10, f11, and f12 are working, which are mute, volume down and up); detection when power supply is inserted; and backlight of ...
Coo's user avatar
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1 answer
912 views

Get Back Ubuntu's GRUB menu with Ubuntu first

Initial setup working: Ubuntu and Windows My laptop had two OS working: Ubuntu 14.04 and Windows 8.1 At boot it showed "GNU GRUB Version 2.02 by Ubuntu." Current setup, not satisfying I recently ...
GEORGE's user avatar
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0 votes
1 answer
417 views

How to get out from grub recovery mode? [duplicate]

I have deleted my ubuntu volume in hard disk. Now each time I restart I get in grub recovery mode. How can I solve this problem?
hitesh's user avatar
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Is BURG still supported?

I would like to make my boot screen a bit nicer, so in a search i stumbled across BURG. When I try to add the ppa and update like the instructions here, it returns a 404 error at sudo apt update. Has ...
Peetah's user avatar
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Moving SSD to another system

I have a laptop that has two SSDs. One 128GB that has Windows 10, other one 512 has Linux(16.04) but there I made partition 120GB for Linux and other for either documents when using Windows (localDisk ...
Omer Sabanovic's user avatar
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1 answer
223 views

Disabling desktop environment in Ubuntu 16.04 for a specific kernel/boot option

I have a system with multiple kernels installed and would like one of the kernels to boot up without the GUI/Desktop environment. I assume this can be done in the grub-customizer tool by editing the ...
DrTarr's user avatar
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GRUB doesn't boot Windows after the Fall update, boots into itself instead

I have an HP PC that sets Windows as the first boot partition/device every time you boot Windows. To resolve, I previously have replaced Microsoft's bootmgfw.efi with grubx64.efi in the EFI partition ...
blitz's user avatar
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18 votes
8 answers
28k views

Ubuntu 17.10 Nvidia Drivers, black screen loop?

Alrighty, so I have had to deal with a similar problem all throughout using Ubuntu with Nvidia. But with the new 17.10 update I have been getting a new recently discussed bug which results with my ...
Mr.Midnight's user avatar
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0 answers
315 views

Trouble with dual boot ubuntu and kali linux

Mar 20 05:27:41 Asus-X556UF kernel: [ 615.993342] pcieport 0000:00:1c.5: [ 0] Receiver Error (First) Mar 20 05:27:41 Asus-X556UF kernel: [ 615.993342] pcieport 0000:00:1c.5: [ 0] ...
Yeti Tran's user avatar
6 votes
1 answer
1k views

lowlatency kernel in 17.10 put machine in unusable state

The lowlatency kernel that came from my 17.04->17.10 upgrade put my machine in unusable state. (This new kernel variety is not mentioned in 17.10 release notes.) Entering grub, starting with generic ...
Ed Bueler's user avatar
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1 answer
428 views

Grub cannot load Windows 10 only BIOS can

Dell based Intel i7 6700HQ (Skylake) laptop with HM170 chipset and M.2 PCIe Gen 3.0 x 4 NVMe Samsung Pro 960 SSD formatted with GPT and booting with UEFI. Cannot boot Windows 10 from grub menu. When ...
WinEunuuchs2Unix's user avatar
9 votes
2 answers
3k views

After enabling hibernate grub menu appears on start-up with 30s timeout

My system is not dual boot just single OS UBUNTU 16.04. Prior to making the following changes, the Grub screen would not appear at start-up (OK). After following these steps from How can I hibernate ...
MitchB's user avatar
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Grub Isn't Showing Up After Dual Boot Windows Installation

I know there are multiple questions on the site that have already asked this question, and those solutions have worked every other time I've dual booted Windows and Linux (this is my 5th time and I ...
Byte11's user avatar
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1 answer
251 views

Boot fails After installing Windows 10 over Ubuntu 16.04

I installed Win10 over Ubuntu 16. But,after successful installation when rebooted, My PC stuck at Grub cmd. I tried to reinstall Ubuntu in other partition so it would automatically repair Grub. But ...
Aditya Nath Suman's user avatar
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0 answers
139 views

Grub rescue fix tuturial not working and missing grub directory

I'm trying to get puppy linux to work and I installed it, but when I took my cd out and reboot I'm shown the grub rescue problem. I tried to fix but when I got to ls(hd0,msdos1)/ part I didn't have a ...
icewizard's user avatar
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1 answer
41 views

ubuntu dose not run (even loading page)

I have Asus N552VW and non of the versions doesn't run that means it stay on a black page or loading page and doesn't do anything more. but when I add this code to grub ubuntu will run but when I ...
Iman's user avatar
  • 3
6 votes
1 answer
7k views

Grub2 does not detect btrfs partition

I just installed Xubuntu alongside an Arch-based distro. The problem is that Grub2 does not detect the (btrfs) partition of the previous distro, so I can't boot from it. I have already tried update-...
Tocell's user avatar
  • 71
1 vote
1 answer
702 views

Cannot boot after upgrade to 17.10

I just upgraded to the new 17.10 ubuntu, then rebooted my PC. However, now it cannot boot up. All I see is a purple screen with a grub> command prompt. What should I do to fix this?
Eliminator's user avatar
1 vote
1 answer
4k views

How to have grub auto-detect another Linux installation?

I have just installed Xubuntu 17.10, and I have noticed that grub did not detect my previous Manjaro installation (which is still intact in another partition, I checked). How do I get grub to add ...
Tocell's user avatar
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3 votes
3 answers
10k views

Grub freezes when naturally booting, but works when selected from EFI menu

I have an odd problem that I have never come across before. First off, the hardware: HP x360 Spectre Kaby Lake (i7-7500u) Ubuntu 17.10 64bit The laptop dual boots between Windows and Ubuntu. In ...
fog's user avatar
  • 51
1 vote
1 answer
10k views

Boot with nvidia or intel driver loaded

I have a problem with nvidia-prime, it doesnt work. When switch to Intel graphics and then start X server, notebook freezes. Intel graphics worked fine before I installed nvidia driver. I tried ...
Yoda27's user avatar
  • 13
1 vote
0 answers
23 views

Bootloader timing tool for Ubuntu

Does anyone know which tool can measure the boot time from Power On to at least when the kernel starts to load on Ubuntu? I've tried Bootchart,but it doesn't appear to measure the time from power on. ...
mikeyj001's user avatar
0 votes
1 answer
1k views

GRUB/bootloader and hard disk lost after update to Ubuntu 17.10?

I have a Surface 3 2GB (non-Pro) that had both Windows 10 and Ubuntu 17.04 installed on it as a dual boot config. During the update to 17.10, somehow I lost the ability for anything to see the main ...
Jack Zhang's user avatar
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0 answers
327 views

Starting 17:10 after upgrade

This morning my system decided to update to 17.10. All seemed to go well until I restarted. The boot sequence got stuck on: /dev/sda1: recovering journal /dev/sda1: clean, 645143/457993280 files, ...
TristanPerth's user avatar
1 vote
1 answer
399 views

Help with Grub (Stopped working after windows 10 update)

first of all I know there are a couple (maybe maaaany) threads about this issue but I still can't figure out what is wrong, grub was displaying and everything was working perfectly before a major ...
Gero's user avatar
  • 11
1 vote
1 answer
8k views

Ubuntu 17.10 boot problem [duplicate]

Just now installed Ubuntu 17.10 on my desktop (dual boot with windows 10). I got the Minimal BASH-like line editing is supported problem. I could not get to Ubuntu. I tried to google for a solution ...
Abhinav Pratap Singh's user avatar
0 votes
0 answers
269 views

Can't access Windows 10 after dual booting it with Ubuntu

New to askubuntu but not that new to linux. So I dual booted my Windows 10 with Ubuntu. I installed the .iso with rufus on a pen drive and it created a partition automatically (I decided what space ...
J.Doe's user avatar
  • 1
0 votes
0 answers
55 views

Installing Ubuntu in dual boot

I have installed ubuntu in dual boot with windows 10 but windows not booting, however that menu grub showing. Help me please.
isBellihi's user avatar
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0 answers
232 views

Can't boot Ubuntu on Win10 / Ubuntu 16.04 LTS Dual Boot

First of all, I'm sorry for asking this question, because obviously this is a problem for a lot of people, but after trying all provided solutions I've seen without any success, I hope to get some ...
panda-byte's user avatar
0 votes
1 answer
394 views

I can't Install Ubuntu or any Linux distros on my PC

I was using Ubuntu for a long time. Last time I was using Ubuntu and windows dually. But before my project submission final day, there was a problem I faced while using Ubuntu. I reboot my pc for some ...
Salman Sourav's user avatar
2 votes
0 answers
3k views

Dual-boot problem with Windows 10: booting to Windows 10 restarts the machine

I'm trying to fix a problem on someone's laptop. The problem is that after installing Ubuntu 16.04.3 LTS, the GRUB doesn't boot into previously-installed Windows 10. The Windows 10 is among the GRUB ...
Megidd's user avatar
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-1 votes
1 answer
71 views

Grub Boot how do I hold the screen to Indifinite

I want to make my Grub boot screen hold to wait for someone to pick the bootable OS. I have windows and Linux mint, It does the count down from 15 seconds by default. Also Can I edit that boot menu to ...
AaronG747268's user avatar
1 vote
0 answers
43 views

How to remove Ubuntu bootloader without Windows disk or USB? [duplicate]

I am removing Ubuntu (from the Ubuntu/Windows 10 dual-boot) because something happened to it and it just "broke". I could not reinstall since it did not give me the options to do so when I followed ...
Reggie's user avatar
  • 13
0 votes
1 answer
3k views

Move Ubunutu Bootloader from Windows Disk to Ubuntu Disk

I have custom desktop computer and I am looking to finish setting up my Ubuntu installation. I am trying to move the bootloader and GRUB for the Ubuntu installation to the disk where Ubuntu is ...
Andrew's user avatar
  • 103
0 votes
1 answer
54 views

Where Ubuntu get installed?

Hi i shrinked the hdd of my laptop in app 450 GB (it shows as Unallocated space in windows disk management tool) when i started the Ubuntu 16.04 installation i selected "Install Ubuntu alongside ...
STARWOLF760's user avatar
1 vote
1 answer
766 views

Change dual boot Ubuntu to Lubuntu

i have an Ubuntu system dual booted with Windows10. I want to change Ubuntu with Lubuntu (i don't care about my Ubuntu files), so here is my question: if a launch Lubuntu installer from USB then i ...
Prasqui's user avatar
  • 15
0 votes
1 answer
788 views

Grub Not Showing windows 8.1 [duplicate]

I have installed Ubuntu alongside windows 8.1 on my Sony laptop. after installation i am able to login Ubuntu,but if i login to windows after that grub not showing,its directly login to windows. I ...
Venkat's user avatar
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1 vote
2 answers
3k views

Trying to install Ubuntu via USB, can't boot up. GNU GRUB opens

I have successfully installed Linux Mint and Ubuntu (dual boot) with my current USB before, with the help of Rufus. However, I can't now. It opens the GNU GRUB terminal. What am I missing? (I am not ...
Smartskaft2's user avatar
1 vote
0 answers
240 views

Boot into nvme not supported by motherboard

I have a Dell PowerEdge 730. I installed ubuntu to its M2 drive using a live cd usb. But it doesn't boot to M2 since the motherboard doesn't detect it. Neither the bios nor grub seem to detect the ...
raising hope's user avatar
2 votes
0 answers
405 views

Random freeze while playing video

System is completely locked with no mouse or keyboard, so unable to ctrl + alt F1 F2 etc. I made some changes recommended in Ubuntu 15.10 and 16.04 keep freezing randomly sudo nano /etc/default/...
Mike K's user avatar
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