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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55 views

Give more Hard disk space to Ubuntu

I know my question have been asked quite a few times on this forum but I am not sure if my situation is similar to what was described in those threads hence I decided to create a different one. Anyway ...
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1answer
35 views

How to fix the starting up problem with two operation system?

I have installed Ubuntu & Windows 10 on my laptop in different drives. But when I start up my laptop. The option to choose system Win 10 always failed. I could only use "F12" to start ...
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1answer
56 views

Cannot boot after a failed update from Ubuntu 15.04 to 15.10 Update

I was running Ubuntu 15.04 on my HP EliteBook 755 and was updating to 15.10 when the update process was stuck for several hours at the same place, so I hit the power button to reboot. Now the system ...
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0answers
8 views

After wipe disk error:no such partition. No dual boot

I wipe whole disk because i can't boot windows, but know i have this error:no such partition. And doesn't have dual boot earlier. Does anyone have idea what can I do? Can I install now Windows from ...
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10answers
41k views

“Unable to install GRUB in /dev/sda” when installing GRUB

I recently bought a shiny new Lenovo Yoga 2 Pro and I want to dual boot it with Ubuntu for studying purposes. Its built-in OS is Windows 8.1 and it has a 256GB SSD. I've made a separate 90GB ...
1
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1answer
36 views

Dual boot Ubuntu and Windows 8: UEFI vs Legacy mode

I'm an Ubuntu user and lover. Yesterday, I decided to install Xubuntu on my sister's laptop (which had Windows 8.1 preinstalled, in UEFI mode). It's a Lenovo G400S, 4 GB of RAM, Intel i5 CPU (I don't ...
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2answers
66 views

*Grub* Windows 10 doesn't start anymore

I have a SSD with 2 partitions. The first one belongs to Win10 and it worked fine. I installed Ubuntu 15.10 on the second one and it also works fine. Problem is : When I boot, Grub is correctly ...
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0answers
96 views

Two GRUB instances after BIOS update and Windows 10 reinstall

I've setup a dual-boot of Ubuntu 14.04 LTS and Windows 10 successfully. I've been able to use both for months without any issues. I recently got various problems with my Windows 10 so I decided to ...
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1answer
23 views

Double hard drive, double OS windows+ubuntu

I bought an SSD for my laptop and I moved the old one on the optical drive bay. I installed windows on my SSD and then installed ubuntu on the old one (sdb). I installed Ubuntu using manual ...
1
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1answer
14 views

Machin reboots during istallation

I've tried both versions now, 14.04.3 and 15.10 with the same result. No matter if I just choose to try without installation or install I'm stuck in a bootloop. Istantly after I choose one option the ...
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0answers
46 views

Ubuntu full disk encryption with encrypted /boot

I'm trying to setup a full encrypted disk with a separate /boot partition and I'm having some troubles. I'll write down the procedure I've been following: (On a Ubuntu 15.04 Live DVD session) - fill ...
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0answers
27 views

Windows 10 appeared in grub without installation, why? [on hold]

So I have a dual boot between Xubuntu 14 and Windows 8 on my laptop, even though I very rarely boot into Windows (bought the computer second hand with pre-installed windows 8.1 enterprise edition). ...
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3answers
52 views

I installed Ubuntu 14.04.3 LTS, but I can't boot into it. How can I fix this?

I've installed Ubuntu 14.04.3 LTS from a USB drive, on a PC running Windows 8.1. But when I turn on my PC, I'm not presented with an option to choose to boot either Windows or Ubuntu. Instead, I'm ...
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0answers
22 views

Kernel panic after upgrading system

I was upgrading ubuntuu to 16.04 today and left computer. When I came it was in the sleep mode. I was trying to enter the password thousands time, but it didn't work so I just turned it off. Now when ...
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2answers
201 views

Ubuntu not starting after suspend

I have an HP-compaq-15s-103tx laptop with duel booted Ubuntu 14.04 LTS and Windows 8.1 in UEFI Mode. Every time when I try to Start my laptop after doing 'suspend', It does not boot at all. i.e, ...
0
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1answer
35 views

Error during installation of Ubuntu LTS 14.04.3

My main OS is Windows 10 Home Edition (64-bit). I have an 8 GB USB 2.0 flash drive that I used to boot off of using the Universal USB Installer software from pendrivelinux.com. The software takes the ...
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2answers
5k views

Grub2 on LVM: How can I switch between alternate root LVs?

I have a working setup of Ubuntu Server 12.04 LTS (precise) installed on a LVM Volume (/dev/vg0/root). /boot is on the same LV, and Grub2 boots nicely from it using its own raid/lvm/xfs modules. Great ...
1
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2answers
94 views

How to install ubuntu along with pre-installed window 7 home premium (UEFI) in sony vaio sve14a15fn

I really tried alot to install ubuntu alongside with my preinstalled window 7. also, read many articles posted on internet regarding dual window installation. But nothing is working for me. So, I need ...
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3answers
13k views

GRUB / os-prober doesn't see Windows 8.1 partition

I have a 1 TB HDD with seven partitions, one ~600GB for Windows and one ~300GB for Xubuntu and a bunch of assorted system partitions taking the rest of the space. I recently overwrote my Xubuntu ...
0
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0answers
29 views

Missing Operating System vs Grub Terminal [duplicate]

Did some updates on Ubuntu. My sister turned off the pc, I guess while the update was not finish and since then I got some issues. First some i-386 was missing and the rescue grub something started ...
25
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12answers
50k views

Windows 10 upgrade kills grub and boot-repair doesn't help

I've just upgraded to Windows 10 from Windows 8.1 on my partitioned laptop that has Ubuntu 14.04 installed. Grub no longer appeared on boot so I ran boot-repair from an Ubuntu liveUSB. This didn't ...
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0answers
22 views

installing Ubuntu Server 14.04.03 LTS on RAID 1 array — Intel server board S2600CW borad

Hi friends this is Prabhakar ... Recently i have configured RAID 1(Intel Embedded server RAID Technology II ) on Intel Server S2600CW by using BIOS utility.Then i can able to see my virtual drive ...
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1answer
19 views

kernel panic and Stack with CapsLock and ScrollLock

I just installed ubuntu 14.04 in a machine with ASUS H81M-K (Bios 1002 8/12/14) with pre-existing Windows 7. The system is dual boot with one HDD. While there was no problem during installation and ...
0
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1answer
23 views

Auto-installing Ubuntu next to Windows on a separate hard drive? [duplicate]

I want to install Kubuntu on a computer which already runs Windows 7. For this purpose, I have installed an additional empty hard drive (the drive containing Windows is fully partitioned and should ...
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0answers
40 views

windows loader not showing

I had windows 7 64bit installed in c: and I installed ubuntu 15.04 on e:, now after installing the ubuntu the windows isn't showing in the loader menu in startup. please find the grub report ...
19
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7answers
18k views

How to reboot into Windows from Ubuntu?

I'm looking for a way to reboot into Windows from Ubuntu on a 10.10/Vista dual boot system. The specific use case is that I would like to be able to ssh into my running Ubuntu instance and issue a ...
0
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0answers
2 views

Network Interface Device Naming on tftpboot

We are doing a netboot via tftpboot on some new nodes we installed. Basically, I can't figure out how ubuntu decides to name the network interface for each node. A line in our pxelinux.cfg looks like ...
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0answers
13 views

If i install Elementary OS, will it automatically be added to the grub menu? [migrated]

I currently have Windows 7 and Linux Mint installed. When my pc starts up, it shows me the Grub menu, it shows an entry for Mint linux and the windows boot menu. I am wondering, if i was to install ...
0
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2answers
66 views

grub rescue after creating new partition from windows

I'd successfully installed Ubuntu 10.04.03 LTS with parallel to existing Window 7 Professional. Both the OSes were booting properly without any problem. After install I needed to do sudo update-grub ...
0
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2answers
4k views

Deleting GRUB2 which is placed in sda? And how to fix two Ubuntu entry in EFI Boot selector?

I have EFI Windows 8 in my Asus K55V laptop. EFI partition is sda1. I tried to install Ubuntu in EFI mode and created/selected separate boot partition for Ubuntu boot loader. Ubuntu installed ...
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0answers
16 views

Problems installing ubuntu on GPT and MBR

My laptop is Lenovo Z-570. I was running windows 10, this is the first time I am installing Linux OS. In windows,system information showed that my boot was legacy. So, I assume its BIOS boot. On ...
0
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1answer
24 views

Change from UEFI to BIOS: can not install grub

I wanted to change from UEFI to BIOS on my Samsung Series 9 Laptop to be able to use features such as keyboard backlight. I lossley followed this instruction Convert from EFI to BIOS boot But when I ...
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0answers
37 views

WINDOWS 10 AND UBUNTU 10 BOOT/GRUB PROBLEMS

I had a dual system of windows 10 and ubuntu. After relocating my partition, UBUNTU doesn't work and I when I am trying to use boot repair, the program indicates that "The boot of your PC is in Legacy ...
2
votes
2answers
5k views

Ubuntu 12.04 failed to reboot after unsuccessful update done on 28/8/2013

I was updating kernel, mesa, firefox, thunderbird, python and some other packages on 28/8/2013. My internet connection terminated while updates were ongoing. So Laptop did not started in next reboot. ...
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0answers
13 views

Need help migrating hard drive using Ubuntu

So, I have a computer dual-booted with Windows 8 and Ubuntu 14.04. Despite being dual-booted, it boots straight to Windows 8 (It seems to be a recovery feature with Helwett-Packard computers, I'm ...
1
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1answer
78 views

Graphics broken after 4.2.0-27 update

I was using Ubuntu 15.10, driver nvidia 358 from graphics-drivers PPA, my discrete card is GT-650M. Some time after said update, I had some ugly poligons and horizontal lines on my notebook, and ...
0
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0answers
20 views

Grub crashes when installing windows 10

I tried installing Windows 10 alongside my existing installation of Ubuntu 14.04. Everything was working fine till I rebooted my system for the second time. Firstly, the GRUB menu shows Windows 7 ...
0
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1answer
49 views

how do I fix grub rescue? [duplicate]

So I read another article on how to fix the grub rescue... which this this one right here: Grub rescue problem after deleting Ubuntu partition! So pretty much what I did was this set ...
0
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3answers
157 views

Removing older kernels takes forever

I have a Ubuntu 12.04 64-bit installation sided with a Windows 7 64-bit in dual-boot configuration. I was trying to remove older kernels packages to free some space, but the process is taking too ...
0
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1answer
53 views

cannot get grub/boot after Ubuntu install on surface pro 3

I've gotten a surface pro 3 and installed Ubuntu xenial nightly on it. I've disabled secure boot and when I reboot the system after install it goes straight to the bios screen without any boot loader ...
0
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2answers
31 views

How to wipe disk clean totally

I saw this has been answered before but related to windows. I have the following on a 2009 macbook air and would like to wipe the disk and start over: Minimal bash-like line editing is supported. ...
2
votes
1answer
37 views

Can't get my W7/Ubuntu dual boot to reboot

I generally don't like to result to asking for help, but guys, I am completely lost. I had a dual boot system working great until I ran apt-get do-release-upgrade It progressed fine, I restarted ...
0
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0answers
17 views

load grub2 from winodws boot loader ? building an mbr file for grub2?

Many boorloaders like vboot and grub4dos provide a .mbr file that i can use to load the bootloader from windows bootloader. So, How can i build a a file like this for grub2 ? is it possible to tell ...
0
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1answer
24 views

grub entry for slackware from another drive

I am running ubuntu 14.04 on my machine with following partition structure: /boot 512MB / 50G swap 4G /home 100G~ and I have another drive which has slackware 14.1 on it with following ...
2
votes
1answer
74 views

Is it possible to add a GRUB profile to auto-login an user and start a script (15.10)

I have a 15.10 64bit machine with multiple user accounts. Normally, I select Ubuntu in GRUB, it boots and shows me the login screen, I select an account, enter the password and start my applications. ...
0
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0answers
18 views

How do I configure Ubuntu 14.04 to always boot to ram?

I read somewhere that if you modify "grub/grub.cfg" you could add the toram option in there, but the answer didn't match my grub file, so I added it like this... if [ x$feature_platform_search_hint = ...
0
votes
1answer
30 views

“Disk drive for /boot/efi is not ready yet or not present” after reinstalling Windows

There are a number of questions with very similar titles on this site but none of them really helped me. If I missed something, please let me know. So here is my story: My laptop was shipped with ...
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0answers
9 views

Recognize keyboard at boot

I am running 15.10 desktop and when I select run as root from the advanced Ubuntu menu, I get a root shell but it does not understand my Spanish (not Latin American) keyboard and I am unable to type ...
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0answers
72 views

Double install of Ubuntu [duplicate]

First, I broke my previous Ubuntu installation and now it seems that I have made another mistake in the re-installation process. Now I don't know if it is my imagination or not but I can swear I see ...
1
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0answers
22 views

Ubuntu 14.04 hangs on shutdown after package removal

The problem My Ubunutu 14.04 laptop will not shutdown anymore from the command line or from the reboot button in the OS. It hangs at the shutdown screen indefinitely. This problem started a few days ...