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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1
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0answers
29 views

Ubuntu 14.04.3 startup slow ('dmesg': “self-detected stall on cpu”, maybe because of 'alsa-sink'?)

I am using Ubuntu 14.04.03 installed in vmware workstation 12. The bootup to the login takes around 20 secs, after which, the mouse and keyboard becomes unresponsive for 3 to 5 mins. After managing ...
0
votes
0answers
19 views

Grub Bootloader fatal error and Locked Partitions

I'm new to Linux (ubuntu) and determined not to turn back to Windows with its nasty price tag and fine print with lots of rules. I have attempted to install from a usb and just hit ok, ok, ok until I ...
-1
votes
0answers
18 views

I have problem with booting the laptop

I'm having problem booting the laptop, its stuck at the label, can't enter to the bios setup, the only thing can do is to change boot device. To solve this, by using a USB at the boot, which its fail ...
3
votes
1answer
1k views

How can I get a command to run before login (ie while booting or just after)?

I have an encrypted home folder, so I can't log in automatically (and I wouldn't want to) but also my display defaults to the minimum brightness at each boot. To fix this I run the command ...
-1
votes
0answers
25 views

Grub issues, cont

Okay, so I posted some questions online last night. While they didn't get resolved my bigger issue right now seems to be my desktop will not boot without my windows installer usb I made plugged in. I ...
0
votes
0answers
39 views

Editing Grub.cfg

I have two questions. Where is grub.cfg located? Ubuntu / is mounted on /dev/sda6 Fedora / is mounted on /dev/sda8 How should I edit grub.cfg so that when I choose Ubuntu (out of Ubuntu and ...
9
votes
2answers
6k views

15.04 - very slow boot

After upgrading to 15.04 , one computer is very, very slow to boot -several minutes, instead of ~20sec. I do not know if this helps: graphical.target @1min 40.961s └─multi-user.target @1min 40.961s ...
0
votes
3answers
15k views

Can not boot! initramfs error!

I've had Ubuntu for a while and it'd been working fine till now. Every time I try to boot I get this message and I can not go any further: BusyBox v1.17.1 (Ubuntu 1:1.17.1-10ubuntu1) built-in shell ...
0
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0answers
15 views

ubuntu stuck at blank screen [duplicate]

My Computer with Ubuntu 14.04 is not booting. I tried to make some changes to partition using live USB, but now only a line is blinking at the top of the screen. Nothing else. I have an Ubuntu ...
-2
votes
0answers
27 views

Ubuntu Boot DVD/CD [duplicate]

If I can't crack this Im afraid I'll never use Linux. Tried everything to launch from DVD just won't work...HP Laptop Win8 copyed to DVD, Burned to DVD, extacted and burned to DVD, changed bios boot ...
7
votes
4answers
29k views

Installed Ubuntu 12.04 and no Menu on boot!

I had installed Ubuntu 12.04 on a separate partition, in ext4 format in my comp, which initially had only Windows 7. I had done the installation from a Live USB, which gave me the option Install on ...
3
votes
2answers
26 views

No operating system selection screen

I have been using Windows 10 as my default OS. A few days ago I installed Ubuntu 14.04 through USB. When I start my PC I can't see any OS selection screen. It boots Windows 10 directly. But if I press ...
0
votes
1answer
5k views

Ubuntu 13.10 Grub 2.0

I know this question may have been asked hundreds of times before but there doesn't seem to be one answer to how to solve it. I upgraded my computer to Ubuntu 13.10 and my computer was low on ...
-5
votes
0answers
28 views

Cant boot help! http://paste.ubuntu.com/14686337/

I did a boot repair and was given this link to copy down I'm a new user and I'm lost at this point by http://paste.ubuntu.com/14686337/ I had 15.04 installed went to install 15.10 did an erase all ...
0
votes
2answers
47 views

Basic data partition unknown

I had a working version of Ubuntu on my hp stream 13, and in my own stupidity I tried to repair the windows installation from EFI file and a recovery disk. I stopped before it advanced a lot, but now ...
0
votes
0answers
10 views

15.10 xubuntu slow boot gap 21-103 sec

My desktop is starting up quit slow, it hangs for a while. I used dmesg wich showed a big gap in the boot process from 21 to 103 sec http://pastebin.com/7dXhqQ0z [ 21.751243] audit: type=1400 ...
0
votes
1answer
41 views

Can't boot from CD - Ubuntu 14.04 [duplicate]

I'm tired of ubuntu now and and switching back to windows. Im gonna use the OS-Uninstaller but the problem is I can't boot from my ubuntu cd. When I installed ubuntu im quite sure I pressed F11 to ...
0
votes
1answer
27 views

Windows 8.1 bootloader is not working after install Ubuntu 14.04

after installing Ubuntu 14.04 windows boot loader is not opening ... when i turn on my laptop it boot directly ubuntu . There is no option to boot windows boot loader. I didnot delete or format any ...
0
votes
0answers
24 views

LUKS Partition labeled as “Unknown”

I wanted to downsize my LUKS partition for a Windows installation. I followed this tutorial, and after rebooting my Ubuntu installation, It just shows the Ubuntu 15.10 logo without prompting me to ...
0
votes
0answers
24 views

Grub? help, I'm not sure where to begin

I am having trouble with Grub reading any of my usb devices on start up. That being a ubuntu live cd and a windows installer. Now I have two questions, if I want to use these (which I know work.) ...
0
votes
0answers
17 views

Surface 3 Issues - Black Screen After Boot

I am sure this question has been asked many times, but I have not been able to find an answer. I am trying to install from a usb and I always get passed the purple screen with the Ubuntu logo, and ...
1
vote
0answers
28 views

How can I get the Ubuntu Installer to recognize that my system has windows 10 installed?

I'm currently trying to dual boot my Dell inspiron 7000 series laptop with Windows 10 and Ubuntu. Windows 10 is already installed. However while messing with installing other linux distros i seem to ...
1
vote
0answers
18 views

Use Parted Magic with YUMI

I've tried putting parted magic versions on an flash drive using YUMI but every time I get an missing file error stating: This application has raised an unexpected error and must abort. [45] File or ...
1
vote
0answers
61 views

Updating and Upgrading - no space left on /boot

I run an Ubuntu 14.04 Server. After attempting to update and upgrade, I ran into the problems of the /boot being full. After some googling (and looking on here), I ran into this blog post that ...
4
votes
2answers
218 views

Slow Ubuntu Booting

Problem: It takes too much to start Ubuntu 14.04.2 LTS 32-bit (7 minutes after the Grub screen). Problem description I turn on the PC 1 minute after the Grub screen appears Once selected Ubuntu ...
1
vote
0answers
20 views

Computer returns to BIOS during Ubuntu installation

I built a computer a couple days ago, and it's working fine. So far I have (repeatedly) tried to install Ubuntu. Then, either one of three things happen. First, it may return to the BIOS page where it ...
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votes
0answers
10 views

Ubuntu not booting comreset failed [duplicate]

When booting my pc with ubuntu on usb, and click "Try before Installing" (or something similar). It turns white, and then displays: Probe failed. ata3: comreset failed (errno-=16) After that it ...
1
vote
0answers
13 views

Ubuntu on MacBook won't boot

I want to run Ubuntu 14 from a USB flash drive as alternative system on my MacBook Mid 2007 computer... I installed Ubuntu from the LiveDVD 14.04 LTS, and it completed successfully into a 32GB USB 3.0 ...
0
votes
1answer
3k views

Ubuntu install deleted Windows 8 partition; how to recover it on ubuntu

I tried to install ubuntu to get dual OS but incidentally delete one of the windows' partition in the process...... I can't boot windows or even use the recuse tool to recovery it... I've backed up ...
31
votes
10answers
79k views

SMBus/ BIOS error while booting Ubuntu in VirtualBox

I am trying to boot Ubuntu 13.04 in VirtualBox, but every time I boot, I get an error that says: SMBus base address uninitialized - upgrade BIOS or use force_addr=0xaddr This happens right after ...
2
votes
2answers
2k views

Ubuntu won't boot after successful installation (Black screen appears and nothing happens)

I recently installed Ubuntu 12.04 LTS (dual boot win 8) via live usb created using pendrive linux. I have a sony vaio multi-touch screen with nvidia geforce CUDA. You can check the specifications here ...
0
votes
1answer
33 views

Ubuntu and Windows 10 dual boot issue on a toshiba sattelite P 50 A 11 L

I had ubuntu 14.04 and windows 10 installed on my toshiba, everything was fine. But after a month, my computer starts only on widows, I tried everything I could but I cannot access the ubuntu ...
0
votes
0answers
29 views

Trying to install Ubuntu on broken PC

I am trying to install Ubuntu on my broken e-machines laptop. The laptop was running Windows 7 before breakdown. I have made myself a bootable USB and am currently running Ubuntu on this PC. The ...
0
votes
2answers
54 views

Installing Ubuntu on modern laptop

I have see over the last few year that is is getting more difficult to install ubuntu. Usually it is no problem to boot from USB (CD's is obsolete anyway) But booting from USB on these machines is ...
0
votes
0answers
12 views

Ubuntu installed - Mac 2010 ATI Radeon HD 4670 256 MB - Black Screen When Boots

I have read a few of the other questions with the same problems but I can't work out exactly what I need to do to fix this. When installed I pushed e to edit and added "nomodeset nolapic" pushed F10 ...
-1
votes
0answers
15 views

how can i log in to my webbook model no;0n9 [duplicate]

may I please get assistance with regards to accessing the web book.i forgot my username and my password.so now it decline me when i log in. VODAFONE WEBBOOK MODEL NO:0N9 INPUT:19V=1.58A CC0700
16
votes
7answers
5k views

Ubuntu 15.04 flashes log-in screen then black

A few weeks ago, I built a desktop and installed Ubuntu 15.04 and have been battling with it ever since. There seems to be an issue with the compatibility of the NVIDIA drivers and Ubuntu. (After ...
5
votes
6answers
33k views

ubuntu 14.04 black screen when installing

I'm new in this forum. I know, that this is an old problem and I have been reading other questions regarding this. However, I've been unable to find the solution. I've been trying to install Ubuntu ...
4
votes
4answers
13k views

Getting “boot error” when trying to boot from USB

I'm wanting to try out Ubuntu, so followed the instructions for how to install Ubuntu onto a USB. I downloaded the .iso file, then the pendrivelinux 3 part process to make the USB bootable. I can ...
1
vote
1answer
33 views

Lubuntu frozen while installing

I have this old PC hanging around so I decided to install Lubuntu on it just to give it some life and it freezes every time. I made a bootable USB, made two partitions (an ext4 and a swap partition) ...
-1
votes
1answer
58 views

The selected boot device failed…Ubuntu 15.10 OS will not load

So i am trying to install ubuntu and get it to work on my laptop dual boot with Win 10 I have two separate drives: one the ssd which i have the windows os which i dont want to touch On the other ...
0
votes
1answer
28 views

ubuntu partition grub mount failure

I have tried install a Ubuntu 15.1 partition on my window's 10 lenovo t450 machine with a usb. After running boot-repair in Ubuntu, I found out there was a problem with mounting grub2's core.img with ...
0
votes
3answers
69 views

Dualboot Windows 10 and Ubuntu: GRUB Problems

I tried to Dual-Boot Windows 10 and Ubuntu 15.10. But I can not choose to start Windows, when I turn on my Computer (Lenovo ThinkPad E330). I can access all my files of Windows from Ubuntu, because ...
0
votes
0answers
26 views

Can't boot Linux from usb on Thinkpad W540

i've Ubuntu, Fedora, Kali mounted on 3 USB sticks and can't boot from any of them. i've disabled (fast-boot) option in windows and also made the following changes to BIOS : *secure boot: disables ...
0
votes
1answer
26 views

How can I install Ubuntu on a new device that I made myself?

For example, I have a device that I made myself with chipsets and a new design. You can think it is like a tablet, but it is not, because I am doing other things with this device. I need to install ...
0
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0answers
44 views

Ubuntu won't boot after installing a new kernel

I am a software tester, and I'm trying to test a kernel module on a variety of Linux kernels (3.2+). Currently I'm trying to compile the module, mount it and run an automated test suite on all Linux ...
0
votes
0answers
14 views

Ran install from ISO to disk(Trial)Ubuntu 14.04, the disk installed beside windows10 but now have 2 screens to load…

Turn on power, screen asks which to load(From windows) So, I select windows, and poof, good ! Then if I choose Ubuntu, a screen says stuff, and ESCape is my option. Then I choose to boot (f9) ...
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votes
0answers
28 views

Black screen after logo loading in Kubuntu [duplicate]

I got black screen after logo loading in Kubuntu. What may possible issues for this error? After logo glowing i got splash for one second of console with root@pc line and black screen just after ...
0
votes
2answers
35 views

Set grub as bootloader when windows default bootloader is deleted

I completely wiped my hard drive on an HP initially set up with windows uefi boot. The wipe also deleted default windows bootx64.efi. Right now my fat32 partition flagged as boot is mounted on ...
0
votes
0answers
19 views

How to get past the gnu grub screen?

Installing Ubuntu 14 from USB. I Have it installed and updated but now can't restart. Did it have something to do with the boot sequence? All it says is: loading Linux generic Loading initial ...