Questions about the bootup process in Ubuntu. Use this tag if you have trouble booting Ubuntu or you have questions about the bootup process.

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Unable to start windows 7

I have upgraded my ubuntu 12.04, with fhe following command. sudo apt-get upgrade In between some parts were not updated because of some internet issued. So, I had to again run the same command to ...
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36 views

windows 8.1 won't let me boot using Ubuntu

I have a Lenovo laptop that came pre-installed with Windows 8. I have tried both desktop versions of Ubuntu, and I get the same result. Upon restarting mt laptop I get a start screen called 'windows ...
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How to start my ubuntu 14.04 64 bit?

I bought lately an usb external hard drive Verbatim 1TB and I tried to install a fresh Ubuntu 14.04 64 bit. I have also in my laptop an internal hdd 320GB with my Windows 7. All the installation ...
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40 views

GRUB rescue and out of memory - killing process occurs when I start my laptop

Using USB booting, I installed Ubuntu 14.04.2 LTS 64 bit on my LENEVO Ideapad G50 - 70 dual boot with windows 8.1 - In order to overcome Ubi partman error 10 ( I think its RAID isssue) by using -> Try ...
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42 views

systemd error on boot: [DEPEND] Dependency failed for ifup for virbr0/nic

First time booting with systemd after upgrade from 14.10 to 15.04 I get this from systemd [ TIME ] Timed out waiting for device sys-su...m-net-devices-virbr0-nic.device. [DEPEND] Dependency failed ...
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Cannot boot into ubuntu even fter running boot repair

I could not boot into ubuntu so i ran boot-repair from USB, got the following summary i still cannot boot into ubuntu, http://paste.ubuntu.com/11455973/
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46 views

Vmware not starting Ubuntu

Ubuntu is not running.Vmware shows following context: Setting SATA ALPM on host17 to max_performance...Done ... ... ***sched policy powersave OFF Setting /sys/bus/usb/devices/2-2.1 to on How to ...
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89 views

15.04 upstart&systemd boot problem

I upgraded to Kubuntu 15.04 and cannot start using either systemd or upstart without going into rescue mode. I switched from systemd to upstart without any change. It hangs at the Kubuntu logo and ...
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66 views

Unable to boot Windows 7 after installing Ubuntu 14 (Dual hard disk, dual boot system)

This is my first time trying to install Ubuntu; I am more familiar with using Macs. I had my Windows 7 pre-installed upon receiving a new desktop (Acer Veriton with Intel i7 Processor, 32GB, 1TB HDD ...
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15 views

Ubuntu Live on Pendrive: How can I default booting to Ram Test?

I would like to create some Ubuntu Live pendrive for booting Ubuntu, but most often testing RAM: So, as long as the most usual behavior of this boot manager would be the RAM testing, I would like ...
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69 views

USB 1-5 string descriptor 0 read error: -22

I have installed ubuntu 15.04 on my Acer aspire V15 and everytime I boot my system up I get the error mentioned above for about 10-20 seconds then another black screen with some writing then it boots ...
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46 views

Ubuntu won't boot after upgrading from 14.04 to 14.10

I have dualbooted with ubuntu and windows 7 but lately when i upgraded my ubuntu version from 14.04 to 14.10 i am not able to boot. When i try to go in ubuntu it starts loading normally then all this ...
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114 views

Standard ubuntu 15.04 won't boot, but ubuntu (upstart) does

I understand that Ubuntu switched to systemd recently from upstart. Ubuntu started on the first boot, I installed cinnamon and made a change to grub.cfg in attempt to get my USB 3.0 Ports working, ...
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30 views

How do I move empty space on hard drive

I have a 500GB hard drive, internal, and it is split as follows: Partition Type Mount Point Size Used Flags 1. /dev/sda1 ntfs /media/BackupHD 433.55GiB 408.76 boot 2. ...
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47 views

What is ideal partitioning scheme for triple booting Arch, Ubuntu, Windows 8.1?

Shown below is my current partition configuration (which is supposed to triple boot) with, 350MB partition for bootloader and MBR of Windows, I guess 100GB partition for Windows 8.1 45.02GB partition ...
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40 views

Ubuntu Studio 14.04.2 LTS AMD64 boot issue

Fresh install, no dual boot, 2TB brand new HDD, 4GB RAM, brand new Toshiba Satellite NB15T, LUKS encrypted drive, encrypted home folder as well, MD5 checksum's verified, default installation (and ...
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79 views

How can I restore Master Boot Record in Ubuntu 15.04?

Old computer running Ubuntu 14.10 died so I purchased a new machine and had the HDD (500GB) from the old machine swapped into the new machine along with a new 1TB drive. Everything fired up OK so I ...
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my pc displays GRUB and doesn't starts

I just tried to install ubuntu on my PC. I ran Wubi and rebooted computer. My pc has two partitions, one with windows installed and the other with an ubuntu-based linux OS called Linkat, created in my ...
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30 views

Error with qemu emulator

I was writing a boot sector program(in assembly) and created the binary using nasm. The command od -t x1 -A n boot sect.bin confirmed the bytes the assembler had created. However, when I loaded ...
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142 views

Broken boot ubuntu 15.04 - Adding repository from live-usb

When I installed ubntu 15 I pressed ctrl c and the installation was interrupted. I got the error about kernel-panic. I try to do a boot-reapir using a live-cd. I ran it with purge grub as was ...
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84 views

New Ubuntu install, initramfs

I've only really used Debian and Debian variants before and then only on either a virtual box or raspberry Pi. I'm trying to install the server variant of Ubuntu onto a Samsung N150 plus netbook (1GB ...
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44 views

Ubuntu does not boot after install when another hdd/storage is present

I have installed Ubuntu 14.04 on my desktop and Ubuntu does not boot after install. It requires me to use boot repair https://help.ubuntu.com/community/Boot-Repair to fix it so it will boot ...
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116 views

Error: environment block too small. Press any key to continue

I am running Ubuntu 15.04 and getting this error in grub menu Error: environment block too small Press any key to continueI went through this AskUbuntu Post about this problem but unable to solve it ...
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59 views

Ubuntu won't boot from USB Stick on my PC - Black screen - But boots on another PC

My PC is running Ubuntu and Windows. Now I installed Ubuntu from a CD on my PC to a USB Stick successfully. I went to another PC and I could boot to Ubuntu from it (grub menu was showing) and ...
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32 views

First time pc build trying to install ubuntu and struggling

G3258 CPU, Msi Z97 pc mate, Evga GeForce 210, Evga 400w power source, 4gb Kingston 1333 ram, HD seagate-barracuda-1tb-7200rpm-64mb I'm using a 2gb usb (fat) to install Ubuntu 14.04 LTS the file is an ...
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222 views

Being dropped to emergency mode after upgrading to 15.04 with encrypted hard drive

I had installed ubuntu 14.10 with encrypted lvm and uefi mode on my hard drive. There are two hard drives which are encrypted. The first contains the root file system and the second contains a sharing ...
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42 views

update-grub does not see another linux

I've installed Gentoo from Ubuntu on /dev/sda4 using this tutorial, which uses Ubuntu instead of LiveCD. But tutorial did not have anything about updating GRUB. So I did it as usual: sudo ...
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32 views

Ubuntu Customization Kit (UCK) for Ubuntu Mac version

I am using UCK for creating custom ubuntu 14.04 ISO live-cds, I then burn the ISO into usb-disk with YUMI or Universal USB Installer or uNetBootin or similar. Booting on PCs it really works well. ...
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21 views

Boot in text mode break X

this is my first question and i hope not be breaking any rules. I was trying to boot at text mode and followed these articles How do I boot into true text mode? Disable automatic unity launching? ...
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345 views

Can't boot after installing Ubuntu 15.04 message [3.877375] ACPI PCC probe failed.starting version 219.error opening USB device 'descriptors' file

Can't boot after installing Ubuntu 15.04 message: [3.877375] ACPI PCC probe failed. starting version 219. error opening USB device 'descriptors' file. I managed to boot in safe mode. My laptop is ...
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46 views

HP Compaq laptop video problem; with Ubuntu but not with Linux Mint

I have an old laptop: an HP Compaq nc8430. I've spent several weeks installing different operating systems on it, and have come across an odd problem. I can install and boot Linux Mint on it with no ...
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error: ELF header smaller than expected

So I had updated ubuntu 12.04 to 14.04 and while computer was rebooting I turned it down and automaticly this showed: error : ELF header smaller than expected . Grub rescue>
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427 views

How to Dual Boot Windows 7 and Ubuntu 14.04. Option “Install Ubuntu Alongside Windows 7 does not show up”

sorry to open a new thread with the same and question again and again, but people wouldn't open it again and again, if Ubuntu would work out of the box like the tutorials explain it to work. I have ...
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65 views

stuck on tty, black startx, unable to locate package ubuntu-dekstop

I'm posting this question using my tablet since I cannot use my laptop normally. 2 days before I installed wine and picasa, photoscape, and some other windows app. Usually I didnot shutdown my ...
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22 views

windows 7 failes to boot afetr installation of ubuntu

I'm trying to install Ubuntu 14.04 with Windows 7 system. After the installation I can't boot into Windows 7 system, when I select the Windows 7 boot loader in GRUB2, it hangs for seconds and then ...
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28 views

Switching computers with a persistent usb

So, I'm Trying to create a USB drive to run the OS off of on several different computers, without installing anything to the computers themselves. I used pen drive Linux to create a boot-able USB and ...
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Need to press the power button twice for Ubuntu 15.04 to boot

I have a dual boot set up (Windows 7/Ubuntu 15.04). I've recently upgraded from 14.04 LTS to 15.04 and since then, I have to press the power button twice. The first time it goes to GRUB without any ...
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122 views

Systemd non-determinism early on in boot from squashfs

Short version When booting exactly the same system repeatedly, sometimes the boot messages start with [ ...] systemd[1]: Set hostname to <liab>. [ ...] systemd[1]: Mounted /. [ ...] ...
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Ubuntu 14.04 does not boot after installing

I have just installed Ubuntu 14.04 after my Windows 8.1 was not boot at all. After the installation I removed the USB drive and restarted the computer, but It had "Checking media presence -Media ...
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50 views

Manual Recovery

I installed ubuntu 14.04.02 on my netbook. So now I've got 2 os on my netbook, windows 8 and ubuntu. When I boot my netbook and choose to open on ubuntu, it says serious errors were found while ...
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77 views

Ubuntu and Xubuntu freezes before login screen (purple screen)

I tried both Ubuntu and Xubuntu (14.04, 64 bit, dual boot with Windows 8) When I select Ubuntu from the boot menu, it freezes. But when I choose "advanced options for Ubuntu" and select and older ...
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142 views

Ubuntu Mate LTS 14.04 boot menu will not load OS

I am running ubuntu Mate 14.04 Lts and just recently I have not been able to boot with the grub boot manager. When I hit enter to load ubuntu, my screen freezes at the boot menu. I am able to login by ...
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93 views

Something's wrong with my grub.cfg

I know that's pretty generic, but... I installed updates, which included a new kernel. I removed an old kernel and got: joliver@JOHN-DEV:~$ sudo apt-get purge linux-image-3.13.0-46-generic Reading ...
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451 views

Ubuntu 15.04 update-initramfs fails after packages installation

I have a big script I use in fresh installs since 14.10, but when using it on Ubuntu 15.04 I get an initramfs error. The script looks like this: echo "Starting configuration" && echo ...
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344 views

Kubuntu 15.04 Freezes On Startup

I have a fresh installation of Kubuntu 15.04. Every few boots, it freezes completely during startup with the kubuntu logo showing before the login screen shows, ctrl+alt+F# / ctrl+alt+del do nothing. ...
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Ubuntu 15 sleeps before login

I have updated from 14.10 to the recent 15. Since I did so, everytime I am booting, it takes a lot of time in the loading screen and then the computer just goes to sleep. When I power back up, the ...
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'Bus cycles' unavailable

Sometimes when I am booting I stuck on this... And nothing happens. I have windows in dual boot and it doesn't boot either. Now I booted when I pressed and hold power button but not as long as I want ...
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33 views

Ubuntu stuck on the kernel log at boot

I've just upgraded my Gnome version, using the gnome3-staging PPA. Since it is still a little buggy, I've done a ppa-purge to come back to the 3.14 version shipped with Ubuntu 15.04. After a ...
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Getting an “Enter Passphrase” box at boot

I have upgraded from 14.10 to 15.04 today. On 14.10, I did have my home folder encrypted. I have never had to enter a passphrase before (except the initial setting of it). Right after upgrading to ...
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114 views

error: no such partition entering rescue mode grub rescue>

i have dual boot in my laptop win7 and linux.Accidentally i deleted linux partition.now when i try to boot it is showing following error error:no such partition entering rescue mode grub rescue i ...