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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Xubuntu 15.04 fails to boot into a live session from a live USB, but only when my SSD is plugged in

Specs: Xubuntu 15.04, GTX 770, i5-4690k, 8 GB RAM, Corsair SSD, Hitachi HDD. Whenever I boot into a live session, it always fails to boot when I have my SSD plugged in. This is most likely the result ...
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0answers
17 views

Ubuntu stopped booting

Ubuntu 15.04 has been installed. An update published May 21th was processed, which contains a new kernel. It stopped to boot with a message "Starting version 219." I have a Ubuntu bootable usb. ...
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0answers
14 views

Changing Ubuntu's Splash screen in 14.10 [duplicate]

I need to know if I can change the boring Ubuntu logo with the five dots changing from White to Orange after the GRUB2 menu, I know I can change GRUB2's menu look with the documents on the Ubuntu ...
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0answers
23 views

Can't install Ubuntu on my Laptop already running windows 8.1

i followed the steps word by word even searched google for a solution but nothing. I want to dual-boot Ubuntu and Windows 8.1 the problem is I've tried to disable the Fast-boot and UEFI Settings ...
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1answer
21 views

Couldn't make pendrive boot-able using UnetBootin

I've an iso file for RHEL in one of my pendrives. Now I want to first make the device bootable, so that later on I can put RHEL as a VM. Now the problem is even after following the instructions to ...
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1answer
22 views

Suddenly unable to boot from Ubuntu Live USB,

I see there are several similar questions on here, but none exactly matches the problem I think. I created a bootable USB of Ubuntu 14.04 and 15.04, via unetbootin, on OS X. The USB live session ...
0
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1answer
18 views

Unable to boot CD

I have installed Ubuntu 15.04 and uninstalled Windows some time ago; However, i want to re-install Windows again and burned a copy to a CD (DVD+R) using write to disc pop-up right-click menu on the ...
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1answer
26 views

Upgraded Lubuntu 14.10 to 15.04, now get “Kernel Panic: not syncing VFS: Unable to mount root fs.”

I have a home server with Lubuntu installed. A few days ago, a Ubuntu update dialog box appeared, and I seemed to update to the latest version with no trouble (at least, no apparent errors). However, ...
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1answer
20 views

Landing in the GRUB command line at start up (bcs of XFS filesystem at /boot!)

Edit. The problem that I landed directly in the GRUB command line was another bug than originally asked for - see the answer. I changed the title accordingly. I think the title says it all. I'll ...
1
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1answer
21 views

Portable installed ubuntu on a Pendrive that boots on UEFI and BIOS

There seem to be quite few tutorials for that but they are either for having both live and installed, or supporting old 32 bit systems and so on and have some complicated steps. I simply want to ...
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0answers
18 views

Trouble Deleting a Partition Containing Grub

I have uninstalled Ubuntu from my main machine, but am having difficulty restoring the boot back to the Windows 8.1 default. I followed a guide from ...
1
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1answer
82 views

I keep getting the same GRUB error?

Any help will be greatly appreciated. Every time I start my computer, I encounter the error: '/boot/grub/x86_64-efi/normal.mod' not found. Here is a screenshot of my hard drive partition: I have ...
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0answers
16 views

Upgraded a virtual guest system: /dev/disk/uuid… does not exit

I recently upgraded my Ubuntu 14.04 (kubuntu), running as a guest inside VirtualBox 4.3.12 hosted by Windows 7 Enterprise, 64 bit. All ran fine until yesterday - when I tried to start the new ...
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0answers
15 views

Does anyone use the insecure boot mode? [on hold]

I am getting this message and of course my system boots into my account without asking for a password. I am banking on nobody breaking into my house, other than that I'm relatively secure. But without ...
1
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0answers
15 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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0answers
21 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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0answers
15 views

Cannot boot to ubuntu (dual-booted with Win8)

I made an attempt to install Ubuntu today from a DVD. It worked well for about an hour, when I was working in the tty's, getting things updated, etc. I closed the my computer's lid and upon ...
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2answers
41 views

Windows 7 or 8 for dual boot with linux? [on hold]

Hy! I'm not the type of guy who ask questions but now i'm pretty angry and way to tired to start searching 2 hours for a simple information. The problem is simple: I was, until this night using ...
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0answers
19 views

Enabling Fast Boot [on hold]

I already looked at the Why disable Fast Boot on Windows 8 when having dual booting? article, so I understand why fast boot is turned off in most cases. I noticed after dual booting my ASUS laptop ...
0
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1answer
21 views

Instal Ubuntu 15.04 with Windows 7

Unable Install Ubuntu with windows 7. I tried many times to install ubuntu 15.04 with windows 7. The instllation is completed successfully in every attempt but i can't boot to ubuntu. I install ...
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0answers
11 views

Grub-Bootmenu not showing up after triple-boot install (Ubuntu + 2xWindows10)

I first installed Windows10 (x32) on my Laptop, and then I installed Ubuntu. As it didn't ask me to boot into Windows10, and just booted to Ubuntu, I launched Grub-Boot-Repair and set up the boot. ...
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0answers
35 views

Crazy boot and reboot times after upgrading to ubuntu 15.04

After upgrade to 15.04 my ubuntu loads really slowly, slower than Windows 8 on the same machine, which insults me. I turned off splash screen, and when I boot the system I get this: A start job is ...
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2answers
25 views

GRUB “unknown filesystem” error on second boot of each day

I've installed a new 64GB SSD in my HP Compaq 2510p laptop. The SSD model is KingSpec KSD-ZF1. This system is a single-boot machine running Ubuntu 14.04.2 LTS. There are no other operating systems ...
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3answers
27 views

Live USB Stuck at Boot logo on every Distro.

I tried to install a linux OS on a USB. However, after I've tried eOS, Xubuntu and Linux mint, they all failed on the same occation. They all freeze on the logo and never get anywhere. I tried to ...
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0answers
15 views

Ubuntu 15.04 very slow boot

I looked around for answer to my problem, but never find, so I'm asking for help. $ uname -a Linux Aspire-E1-570 3.19.0-16-generic #16-Ubuntu SMP Thu Apr 30 16:09:58 UTC 2015 x86_64 ...
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0answers
14 views

How to boot from USB on a macbook pro with GRUB

I have macbook pro that I have only ubuntu on. It's using gnu grub. I have bootable USB with the new ubuntu that I desperately can't boot the last hour. I can't either bios or choose it any familiar ...
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3answers
42 views

Ubuntu touch no longer booting on BQ Aquaris 4.5

When I woke this morning my phone was off, but the battery still has a charge. When I plug it in the power socket, it shows the large battery icon and the change level. But it wont turn on. The ...
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0answers
20 views

Ubuntu 15.04 black screen after grub

I have two systems with 15.04 and the same problem. The system partition is luks encrypted. If I start the machine, after grub menu I get a black screen and can't input the luks passphrase. If I ...
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0answers
13 views

Can't boot Lenovo laptop (v570) after installing Ubuntu

No, this is not a 'I want to boot Windows after installing Ubuntu' question, I installed Ubuntu, fully wiping everything, every default settings, but now it won't get past BIOS. It just gets stuck ...
0
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1answer
43 views

Upgrade to 14.04 LTS from Windows 7 and 12.10 dual boot

I have a dual boot of windows 7 and ubuntu 12.10LTS on my laptop. I want to upgrade to 14.04LTS ( Or any other newer LTS version). My question are: Do I have to backup my data in windows 7? (I ...
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0answers
23 views

How to make the “boot” of 15.04, faster? [on hold]

How to make the boot of 15.04 faster?
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0answers
10 views

Live USB Kernel Panic error?

I tried to make a 14.04 live USB with Universal USB Installer. I get to the screen where it says Try Ubuntu, Install Ubuntu, etc. but no matter what I select, it eventually ends in this error; end ...
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0answers
15 views

Ubuntu won't boot after installation on Asus 1005HA

I'm new to Ubuntu, installed it alongside Windows XP on an Asus Eeepc 1005HA. 'twas geat - but I needed more space and decided to get rid of Windows entirely from the m/c. So, as the original ...
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1answer
23 views

SSH doesnt restart on reboot after upgrade to Ubuntu Vivid Vervet 15.04

I recently upgraded my server to Ubuntu Vivid Vervet 15.04 from 14.04.2 LTS The upgrade went fine, and I could SSH into the server no problem. It was only when I restarted the server (using restart ...
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0answers
19 views

Elementary OS not booting [on hold]

I have a problem. My computer turns on normally, and Elementary starts booting. The cursor comes up and some graphics start appearing, but suddenly it jumps back to the boot text, then does the same ...
2
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4answers
127 views

How do i create a bootable ISO usb? [duplicate]

I bought an HP Netbook it doesnt have a CD ROM Drive, I then bought an elite HP laptop off a well know shopping site, it was delivered and on powerup it goes to bitlocker screen, I am not interested ...
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0answers
6 views

12.04.05 - suddenly display shifts to off after selecting 12.04.05

I have a multi-boot system on my desktop. Most things are in my 12.04.05 system, and I have a win7, and a ubuntu 14.04. The 14.04 was only for testing purposes, as I use that partition to evaluate ...
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0answers
19 views

Grub2 not loading in dual boot Windows 8.1 and Ubuntu 14.04 LTS on HP 4540s

Iam using a HP 4540s Notebook with Windows 8.1 Uefi installed. I followed all the steps for Ubuntu 14.04 LTS instalation and i got it all working but to load my dear Ubuntu i have to press F9 to ...
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0answers
9 views

Suddenly no display signal during reboot test

I am running the reboot test by a simple script file calling init 6 to stress my system. But I found no VGA display signal while running reboot test in Ubuntu 12.04. By refer the kernel.log file as ...
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1answer
21 views

Automatic clearance of boot folder

Hello one of my familly members, who is not so concerned with computers and Ubuntu has an Ubuntu setup with only 200MB space for the boot partition. That makes sense if you only like to install a few ...
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0answers
17 views

usb device descriptor read error

How can i fix this problem on Toshiba satellite l755 with Ubuntu 15.04 when starting up.
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0answers
18 views

Booting from Lubuntu on USB with several partitions

Here's my goal: a fully self-contained Lubuntu 14.04.2 installation on a 256GB USB pen drive that I have, which also has an NTFS partition that Windows can read. The drive is /dev/sdd. I started by ...
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0answers
4 views

Debian change runlevel during boot [migrated]

I've read lots and understand changing runlevel defaults and during runtime, but how can I change runlevel during the boot up of a Debian server? Background: XenServer virtual machine Debian Server. ...
0
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0answers
7 views

HELP… writing openSUSE image to SD card [migrated]

I am releatively new to linux and I have assembled a raspberry PI 2 model B and I'm relavively unexperience with linux. I have tinkered in the past with SUSE and want to start doing it again. I have ...
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0answers
10 views

Gateway PC wont boot. Get Boot sector error

Gateway PC wont boot. get boot sector error. tried recovery disk and restore from portable HD. I created a bootable Ubuntu USB, changed boot order and still nothing. I get Ubuntu window asking to try ...
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0answers
17 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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0answers
15 views

Windows 8 safemode from grub [on hold]

I want to run Windows 8 in safemode because it keeps saying "please wait" and does not open. The problem is that Windows 8 boot is so quick to interrupt by F8 and this is not working. Can I write ...
-1
votes
1answer
35 views

Advanced boot problems [on hold]

I have a dell XPS L702X. After a recommended BIOS update from Dell, the computer went haywire. I tried most repair tricks from the book but I'm not not able to boot. Now all I get is "invallid PT" ...
0
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0answers
10 views

Keyboard doesn't work during bootup/grub if Wacom tablet is plugged in

I did an install of 15.04 on a second hard drive last night. After install everything was working great, initially. I tested that I could boot into Ubuntu from GRUB, into Windows, and into the BIOS. ...
2
votes
1answer
47 views

How to create uefi bootable iso?

I am trying to customize ubuntu-14.04.2-server-amd64.iso, but I am unable to make it uefi bootable. First I tried with original iso file: dd if=/path/to/iso/ubuntu-14.04.2-server-amd64.iso ...