GRUB2 is the next generation of the GRand Unified Bootloader (GRUB). Ubuntu has used GRUB2 as the boot loader since 9.10 (Karmic Koala). Commonly referred to as simply "GRUB".

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Bootup Error: ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknow-block(0,0)

Previously, I have execute the following 3 commands. sudo apt-get update sudo apt-get upgrade sudo apt-get dist-upgrade However, I cannot bootup my laptop after the restart. Whatever I try to ...
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1answer
55 views

Dual Boot Windows 8/ Ubuntu 16.04 Grub Issues

I recently had to re-install Ubuntu because it would not boot after some software changes. To install from a Live USB I had to change from UEFI mode to CSM. After reinstalling, the Grub menu does not ...
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34 views

Ubuntu won't boot on asus gl552vw

Few days ago I bought a new laptop, the asus gl552vw-dm149 with the following specs: Processor: i5-6300hq Graphic card: nvidia gtx 960m Ram: 12GB ddr4 2133Mhz SO: Windows 10 When I try to boot ...
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10 views

Legacy PC mode errors when repairing GRUB

I recently installed Ubuntu 14.04 and installed Windows 7 on a separate partition. While I can boot up Windows, I cannot boot up Ubuntu anymore. I created the Boot Repair Disk to repair GRUB for ...
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1answer
22 views

How to reorder operating systems in GRUB?

How can I rearrange the operating systems installed on my computer in GRUB? I have Windows 10, Ubuntu 14.04 LTS, and Kubuntu 15.10. It prioritizes Kubuntu, with Ubuntu second, and Windows last. How ...
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3answers
36 views

Update problems… Errors Errors

I tried everything like removing the 24 kernel manually but no matter what I do this is my output of sudo apt-get upgrade: Reading package lists... Done Building dependency tree Reading state ...
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19 views

dpkg error code 1

I'm getting this problem whenever I try to install any program Errors were encountered while processing: lightdm grub-common grub2-common grub-efi-amd64-bin grub-efi-amd64 grub-...
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35 views

Stuck in grub. Cannot boot anything

I was having a problem with my wifi on Linux and went through every suggestion i could find and nothing worked so i decided to try and uninstall and reinstall linux. After i uninstalled and restarted. ...
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21 views

Tried to boot into windows from dualboot and i got : gnu grub version 2.02~beta2-36ubuntu 3

My keyboard won't work when I am at this screen
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0answers
69 views

debconf uefi disabling almost breaks system

I am using Lubuntu 14.04 and use the graphical update manager to keep my system up to date. Today I was installing a bunch of updates, when a window appeard that told me, that a tool named "debconf" ...
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13 views

Install grub for different OS on different HDD

I have a new system with me and two HDDs from my previous system. Simply put, I have sda with Windows 7 & Ubuntu 14.04 LTS and sdb for additional storage. I upgraded Ubuntu to 16.04 LTS and wanted ...
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1answer
34 views

I cannot boot into windows 7 after installing ubuntu. BIOS-Boot partition error [duplicate]

I've been scratching my head for hours, and am completely lost. I have ubuntu installed on a separate drive, and 5 other drives I use with windows 7. I ran Boot-Repair with "Recommended Repair" and ...
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50 views

Grub Customizer Appearance Settings not working on Ubuntu 16.04

The Grub Customizer works great editing the boot options for starting up my computer. However, no matter what settings I use, Grub runs in a low resolution with an Ubuntu-purple background color on ...
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24 views

Restore Windows 7 MBR with GRUB2 [closed]

On my computer i had dual boot Windows 7 (on HDD 1) and Linux Mint (on SSD). I bought a new computer with another Windows 7 preinstalled on a new harddrive (HDD 2). Then i added my linux disk (SSD) ...
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2answers
33 views

Grub is black/white , but I want my old Grub back :)

I had an blank screen on the terminal-mode, via Ctrl-Alt-F1 (F1 - 6), on Ubuntu 16.04 LTS and I followed the steps of izx and it worked, thx for that :) link to izx's solution but now I have a black/...
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1answer
29 views

Problems UEFI booting after software update

I have an Acer Extensa 2511 where I installed Ubuntu MATE 16.04 (Windows is not installed) Today, after a software update (which required a reboot), the reboot failed. I ran boot-repair. After that, ...
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15 views

How to work touch pad in ubuntu 15.10 [closed]

In my ubunutu version 15.10 didnot work touch pad.how to solve this
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28 views

Booting only into GRUB prompt, no GRUB GUI - Ubuntu 14.04

Is there a way to get GRUB GUI back from GUI CLI so I can get a shell? I need to edit a file to fix the issue but I can't even get the GRUB GUI (tried left /right shift) This is on Ubuntu 14.04.
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13 views

sudo apt-get ugrade … hangs on Setting up grub-pc (2.02~beta2-9ubuntu1.11)

i run into this error when i am trying to upgrade my server through ssh, so i run user$pc:~$ sudo apt-get upgrade then it's hanging on this step: locale: Cannot set LC_ALL to default locale: No ...
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0answers
19 views

Ubuntu MATE 16.04 install fails on an mdadm NVMe RAID0 configuration. Boot-repair failed too

When the installer gets to the point of installing GRUB, it fails. I tried many times, it seems like to me that it tries to execute some dmraid commands. As mdadm is the successor of dmraid I put a ...
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1answer
12 views

Is there a command to make Ubuntu's boot menu look like Fedora's?

Basically to show all available kernel versions in the main menu, without the need to drill down to the Advanced Options.
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1answer
17 views

How can I install/view the grub file that a recent upgrade was providing but I accidentally ignored?

A recent apt upgrade wanted to overwrite my systems' grub file that I had manually modified, but I accidentally kept my own modified version. How can I view the version that was going to overwrite my ...
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3answers
118 views

Lenovo IdeaPad 100s grub installation failed and disk disappeared

A few days ago I bought a cheap Lenovo IdeaPad 100s and it's a great laptop shipped with Windows 10. Since then I've been trying to install Ubuntu on it but I have failed to do so. What I did is I ...
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14 views

Single User Mode [Snappy Ubuntu Core]

I am trying to boot an Intel Nuc running Snappy Ubuntu Core into single user mode. I have tried the usual method, but have gotten no where. Any suggestions for getting this to work would be greatly ...
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44 views

Updated Ubuntu 16.04 and Now stuck in memtest86+

I recently updated the latest installs on Ubuntu 16.04 and when it finished memtest86+ started running and when I reboot it just start the test over and over. I spam ESC to get to the grub version ...
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37 views

Problem getting Bios to boot Lubuntu on HP ZBook 15

My Problem is, I have a hard time getting my HP Zbook 15 to boot lubuntu now, it a long time ago could boot normal Ubuntu with out issue, but issues from my work had me get rid of Ubuntu and switch to ...
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29 views

How do I add an ID to a menu entry to GRUB config?

I want to add an ID to any menu entry in the Grub config and then auto generate the configuration by changing /etc/default/grub file DEFAULT_GRUB = desired_linux_version I already did but grub ...
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11 views

Dual boot enigma

I am experiencing an issue with my operating systems. I've had windows 8.1 for a while on my system and I decided to have Ubuntu as an alternative with it. As you surely know about the process of ...
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0answers
37 views

Ubuntu update has screwed GRUB

I am running 16.04 on an UEFI mobo, no dual boot etc. I was working just fine but have been unable to reboot since an update earlier today. Booting brings me to a grub rescue prompt and a message that ...
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0answers
19 views

Add Ubuntu to Windows 10 boot manager [duplicate]

Here is my situation. I originally (only) have Ubuntu 14.04 on my laptop. Then, I installed Windows 10 into a free partition. Now, even though Ubuntu's partitions remained, I'm not able to enter ...
0
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1answer
29 views

Ubunutu 16.04 can't install GRUB

I am receiving the following error during installation: Unable to install GRUB in /dev/sda Executing `grub-install /dev/sda` failed. This is a fatal error. I clicked "OK" and was prompted to do one ...
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1answer
18 views

GRUB has dissapeared

So the awesome Windows 10 gave me the blue screen error and after that and restoring GRUB doesn't appear anymore (I had dual-boot with Windows and Ubuntu14). How can i get it back? Cheers.
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1answer
14 views

Deleted empty partition via Disks, which hid others. According to gParted those parts still exist. Help?

IMG1 | Disks - parts IMG2 | gParted - parts After I attempted to delete an unused partition I created with hopes of using it for SteamOS game-space. Disks now shows I only have 2 partitions, BUT ...
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16 views

Why doesn't GNU Grub appear or the option to boot into Ubuntu after installing Ubuntu?

I just tried to install Ubuntu alongside a computer that had Windows 10 installed and I think I did so successfully. I was given the prompt and asked to enter my time zone etc. After I did all this, ...
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13 views

Unattended remote installation of Ubuntu 12.04 server couldn't mount cd-rom

I'm trying to install a customized unattended iso based on Ubuntu 12.04 server in a remote system currently also running 12.04. I have no access to cd-rom, usb or keyboard in this system. I followed ...
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0answers
18 views

Set Grub's default boot device across multiple machines

I have a USB mass storage device I use as an Ubuntu live-usb. I use Grub as the bootloader on that device. I am trying to configure Grub to boot the machine's internal drive's OS if a timeout is ...
2
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1answer
39 views

Attempted to Repair GRUB through live USB. Has not worked, cannot get into Ubuntu

Made a post earlier here: Installed Windows 8.1 over 7. Can't Get into Ubuntu 14.04 Essentially, Had Windows 7 on my system first, as is recommended. Afterwards, Ubuntu was installed. Now after ...
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1answer
32 views

Unable to boot Windows after installing Ubuntu 14.04

I have a laptop on which Windows 8 is already installed in UEFI mode. Now I installed Kubuntu 14.04 onn that machine in Legacy mode. Now I have an issue. If I selected Legacy mode in BIOS the machine ...
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17 views

Grub2 shows bad sector .. cannot read from bootable usb

I have successfully created a Debian bootable USB. I cannot get the option from BIOS so I was trying to install it from Grub. However, when I get to grub2 command line and I do ls I get this: (...
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11 views

Computer hangs at GNU GRUB

I have setup Ubuntu server 14.04 and its been working fine for some time not until yesterday when i start my computer. It is stuck on the GNU Grub. I can't even use my keyboard. I know the keyboard is ...
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37 views

Windows Boot Manager is not loading

I installed Ubuntu over Windows 8 in my HP laptop. After installing Ubuntu over Windows 8, the first problem occurred. First problem is Ubuntu grub is not loading and directly goes to Windows 8. Using ...
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1answer
45 views

Ubuntu UEFI Boot

I need your help. I have ubuntu with dual boot on my machine for a long long time, and a month ago or so I've decided to uninstall windows and let ubuntu be the only OS. That ok, I've erased some ...
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0answers
26 views

No Drivers under Additional Drivers tab in Ubuntu 16.04 dual boot with Windows 10 UEFI in HP ac-033tx [duplicate]

I installed my Ubuntu today using live USB. When I used the USB in order to use Wifi I had to enable Broadcom driver in the Additional Drivers tab. After I have installed Ubuntu there is no Driver ...
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1answer
203 views

“Lvmetad is not active yet, using direct activation during sysinit” on boot?

Some time ago I installed Ubuntu 16.04 on my PC. Everything went well and no problems so far. When the first kernel update came out I could not start it and got the following error: Lvmetad is not ...
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34 views

Grub Rescue, Windows 10. Ubuntu Studio

I had Dual Boot with Windows 10 installed first on M.2 ssd. Ubuntu Studio 16 along side it. I deleted the Ubuntu partition using Partition Magic in Windows 10, as I only have a 120gb SSD with both ...
0
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1answer
71 views

How to completely remove ubuntu in my Hp laptop [duplicate]

I have been using Ubuntu 16.4 LTS and I really need to go back to Windows but when I boot up a Windows 7 installation CD or USB it loads all of the processes but I can't see any partition to select. I ...
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0answers
60 views

Ubuntu 16.04 doesn't dual boot with windows on UEFI mode

I need to use dual boot for both Windows 10 and Ubuntu 16.04, I decided to make a fresh install for both OS, so I installed windows first in UEFI mode (MBR as it refused to continue in GPT), then ...
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0answers
21 views

How do I set Windows Boot Manager back to its default path?

I have gone through quite a few questions on askubuntu similar to mine, like How do I set windows to boot as default in the boot loader? Unable to locate theme engine? How do I set Windows to boot ...
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14 views

Black Screen on Boot GRUB on Mac

When trying to run Ubuntu 16.04, the screen turns black. I put the iso on to a USB stick and booted that using Refind. That worked. As soon as I select either of the options to check the integrity of ...
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55 views

How can I add Ubuntu's boot entry in Windows 10 bootloader in a dual boot system with Windows 10 (UEFI) and Ubuntu 16.04 (UEFI)?

Using EasyBCD from Windows is a solution to my answer. But this program allows only a user to add an entry on Windows bootloader, using Windows, only when Windows are installed with BIOS Mode being ...