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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3
votes
1answer
2k views

How to set up a bootable Truecrypt USB with Ubuntu on it?

Oddly enough, I haven't found the solution to this yet, unless I've misinterpreted the search results I've been seeing. I want to encrypt a USB flash drive so that I can select "Boot from USB" on any ...
3
votes
1answer
907 views

USB Keyboard and Mouse no longer work after GRUB boot

My USB keyboard and mouse don't work when booting into Ubuntu 12.04. The keyboard is fine up until the boot loader (GRUB). I can select previous kernels or recovery mode. But regardless of the ...
3
votes
1answer
105 views

Why does Ubuntu always boot regardless of boot priority?

I am running Ubuntu 12.10. I thought I had installed 64-bit but somehow I had installed 32-bit. I wanted to install 64-Bit Ubuntu over the current installation with my flash drive but whenever I ...
3
votes
1answer
265 views

Have to CTRL+ALT+DEL to get GRUB menu HP Pavilion ze2000 Ubuntu 12.10

I've got a HP Pavilion ze2000 with a fresh install of Ubuntu 12.10 and after I got my wireless working, (12.10 HP Pavilion ze2000 wireless doesn't work) I'm ready to tackle this GRUB menu issue. ...
3
votes
1answer
575 views

Cannot get windows 8 to boot after ubuntu 12.10 install (different hdds)

I just took the plunge into Linux, with Ubuntu 12.10. Not knowing if I would like Ubuntu enough for it to become my main OS, I installed it alongside of my existing OS, windows 8. When installing ...
3
votes
1answer
296 views

Why is Ubuntu unable to mount my hard drive when I use Nvidia Discrete graphics?

I have a Lenovo Thinkpad T520 with Nvidia Optimus graphics. Optimus is designed to let you switch between discrete and integrated graphics as needed for performance and battery life. The BIOS has ...
3
votes
1answer
880 views

The disk drive for /media/SDbackup is not ready yet or not present

On an Acer Aspire One 522 netbook, the boot process stalls with the message: "The disk drive for /media/SDbackup is not ready yet or not present. Continue to wait, press S to skip or M for manual ...
3
votes
1answer
686 views

Ubuntu 12.10 stopped during booting

Good morning, I'm very new to Ubuntu. I decided to change to Ububtu (12.10) for my old laptop (Compaq Presario R3000 with AMD Athlon XP 2800+) that previously used Windows XP. After the installation, ...
3
votes
1answer
330 views

Keyboard does not work after reboot

I was running an Ubuntu 12.04, which I later upgraded to Ubuntu 12.10 in the hopes of fixing my problem, which is as follows: When I turn on the Notebook, a Toshiba of the Satellite series, sometimes ...
3
votes
1answer
94 views

Single yellow characters on Mac when Ubuntu is booting

I have burned a Ubuntu disk and am booting from it on my Mac. However, it keeps going to a black screen with a single yellow character on a burgundy background. Usually an S and a weird ñ. When ...
3
votes
1answer
5k views

How do I EFI boot Zenbook Prime UX31A from built-in card reader?

How do I EFI boot Zenbook Prime UX31A from built-in card reader? Ubuntu Live 12.10 64bit has been copied onto an a SD card which I'm trying to boot from. When I power on my Zenbook and press ESC for ...
3
votes
1answer
311 views

Strange Glitched Screen on Startup

I just ran the windows installer of Ubuntu and every boot up is accompanied by this nice I've used the windows installer, I've made a bootable disk x32 and x64. I've re-installed Windows to ...
3
votes
1answer
557 views

/dev/mapper/cryptswap1 problem on boot?

Just before the boot logo fades away and the login screen shows, there's a little message that says there was some kind of problem with /dev/mapper/cryptswap1 and I have to press S or M or something, ...
3
votes
1answer
505 views

Set boot option to hotkey in GRUB?

I want to set GRUB to boot up a particular option (eg, A different kernel version, different OS) when a certain key is pressed (eg, W to boot up windows with Ubuntu as default and L for Lubuntu). Is ...
2
votes
1answer
51 views

Installing Ubuntu server 14.04.2 LTS 32-bit from CD

I'm trying to install Ubuntu on a server that i got. So i burn Ubuntu 14.04.2 LTS on a CD (It's a pretty old server) but when it boots i get nothing but this "- flashing" I tried two different ...
2
votes
1answer
261 views

How do I access Ubuntu?

I'm new to Ubuntu and Linux in general, and this probably seems like a stupid question, but just how do I actually boot up Ubuntu? First, I shrunk my hard drive and created a new partition, and then ...
2
votes
1answer
395 views

Upgraded to Ubuntu 15.04 from 14.10, got the dreaded “starting version 219” error

When I try to login, it reverts me to the login screen. If I move my mouse, it shows a log of system events and then does the same thing. I can Clrl + Alt + F1 to a terminal, and do modifications from ...
2
votes
1answer
130 views

My boot volume is full, what should I do now?

I keep on getting an urgent error message telling me my BOOT volume is full! How can I safely clean this up? Please be aware, I am a newbie in Linux. This is the result of uname -a: Linux ...
2
votes
1answer
213 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 ...
2
votes
1answer
186 views

Why does systemd boot so much slower than upstart

Recently upgraded from 14.04 to 15.04 and immediately noticed my boot times went from 10-20 seconds all the way up to 120 seconds. Can confirm that systemd is at least part of the problem, because if ...
2
votes
1answer
39 views

Ubuntu will not boot without the CD

I installed Ubuntu but it will not boot unless I have the CD in it. I tried reinstalling it and I still have the same problem. Can someone help me?
2
votes
1answer
929 views

Kernel updates will not install - boot partition full

I am running 14.04 LTS. Kernel updates will not install or uninstall. The boot space (approx 240Mb) is now full and using sudo apt-get autoremove, autoclean, clean or remove will not work. This all ...
2
votes
1answer
169 views

Unable to boot to encrypted root partition after Ubuntu 14.10 upgrade

I am running a Lenovo T440p with a clean install of Ubuntu. No dual booting. Over the weekend I upgraded from Ubuntu 14.04 to 14.10. There were some package install errors that led to Ubuntu being ...
2
votes
1answer
136 views

Install Ubuntu 14.04 while display is distorted

I'm currently trying to install ver. 14.04 booting off of a USB, however my display is distorted. I believe I need to install the correct video card drivers, but how can I do that if I can't get ...
2
votes
1answer
2k views

Gave up waiting for root device, ubuntu--vg-root doesnt exist

today I installed Ubuntu 64bit on a Netbook. When the Netbook boots this error report blowed up. I think there is a problem with the partitions. Image: lsblk NAME MAJ:MIN RM SIZE RO TYPE ...
2
votes
1answer
170 views

Ubuntu 14.04 black screen without login after switching GPU to NVIDIA using prime-indicator

After installation of prime-indicator for NVIDIA, I tried to switch from Intel to NVIDIA. (I also have nvidia-prime installed.) System rebooted, started to load, but never got to login screen. It just ...
2
votes
1answer
286 views

Unable to boot Ubuntu 14.04.1 LTS

I'm new to this, but here goes: I have a Sony Vaio laptop that I wanted to run only Ubuntu, so I removed Windows 8 and used a bootable USB stick to start and install Ubuntu. After doing so, I can't ...
2
votes
1answer
151 views

Dual boot Windows 7, Ubuntu 14.04 - can not load Windows

Good evening, after installing Ubuntu 14.04 as a dual boot with till now working windows 7, I can not boot windows. When I try to, a black screen appears and tells me to insert the windows ...
2
votes
1answer
135 views

How do I recover Windows 7 on my Grub menu, Ubuntu 14.04

I duel boot Ubuntu 14.04 and Windows 7 (Windows being installed first) and a couple days ago I jumped on to Ubuntu to check for updates and after it updated, I found that the Windows option had ...
2
votes
1answer
497 views

Removing Ubuntu from boot manager

I have a similar problem like in this post. The answer there suggests using the 4 commands: sudo apt-get install efibootmgr sudo modprobe efivars sudo efibootmgr sudo efibootmgr -b X -B At first, ...
2
votes
1answer
2k views

Cannot boot into new install of Ubuntu 14 Server

Seems like a fair few people have had similar problems, but I've tried all the suggestions in other threads to no avail. I have installed Ubuntu 14.04 on a HP ProLiant ML310e Server via burning ISO ...
2
votes
1answer
53 views

laptop will not boot after attempting upgrade to 13.10

I wanted to update my OS to the new 14.04 LTS. I was running 12.04 LTS before and followed the advice that upgrades should be done in steps. I first upgraded to 12.10, which seemed to work fine, and ...
2
votes
1answer
232 views

Enabling dual boot of windows after rewriting MBR with GRUB

Some time ago I had two operating systems on my hard disk, Windows Vista and Windows 8 and I could double boot them. Windows vista was installed on the active partition (C:\ drive). Then I formatted ...
2
votes
1answer
414 views

Unable to boot following update to Trusty, get “NMI handler taking too long” mesage

Following my updating to 14.04 I can no longer boot into the system. I see lots of white text on a black background most of it makes no sense to me but I see "NMI handler took too long to run" and ...
2
votes
1answer
360 views

Ubuntu 12.04: mouse and wireless not working on startup

yesterday everything worked fine but today both the mouse/touchpad and the wireless card are not working after boot. The mouse starts to work after a sudo modprobe psmouse but i don't know what to do ...
2
votes
1answer
91 views

Overwritten system files

I need help to work out what damage I have done to my Ubuntu server. I ran a poorly coded script which has overwritten 26 files on my Ubuntu server. The script used sudo to run with root permissions ...
2
votes
1answer
27 views

cant get past the try or install screen

I get to the try or install screen then all goes black. Here are some images hope this helps. I dont know if I took the right pics but hope this helps. I am using an hp touchsmart ...
2
votes
1answer
76 views

Ubuntu not seeing Windows 7 in bootloader

While I was installing Ubuntu I unplugged my Windows 7 HDD so I wouldn't accidentally partition it. I installed Ubuntu, shut off my computer, plugged back the HDD, rebooted (and using the BIOS boot ...
2
votes
1answer
1k views

Ubuntu 12.04 LTS hangs (all black) before showing login screen

Attracted by the open-source philosophy and the idea of a free system from the people for the people I decided to throw away my Window 7 and replace it with Ubuntu 12.04 (I even bought it, just to ...
2
votes
1answer
40 views

How do I save a modified buffer for video resolution uncommented?

I've been getting a "Signal out of range" message when trying to boot up. Press down arrow, enter to get to recovery menu and go to system root prompt. From there I run sudo nano /etc/default/grub ...
2
votes
1answer
733 views

Windows 7 hangs up after Ubuntu dual-boot installation

I recently installed Ubuntu 13.10 using the Linux Live USB creator to create a live USB and then booting/installing from that drive. Everything seemed to go smoothly. I first tested booting Ubuntu ...
2
votes
1answer
157 views

Need help booting windows after installing ubuntu dual boot

I recently installed Ubuntu to dual boot with Windows 7. The first time I booted up, I was given the option to boot to Ubuntu or Windows. If I selected Ubuntu, I would go to a GRUB menu for Ubuntu. ...
2
votes
1answer
2k views

Boot fails(sometimes) after “Switched to clocksource tsc”

I am running on Ubuntu 13.10. I had worked on Ubuntu 12.04/12.10/13.04 and Linux Mint 13/14/15 both 32 and 64 bit versions. I have faced with the same boot problem in all of these distros. After ...
2
votes
1answer
397 views

Ubuntu boot failed

I have Kubuntu 13.04 installed and it was working fine until today, it's failed to boot with mounting failed message. I've run the Boot Repair but didn't fix my problem. If anyone can help, that ...
2
votes
1answer
318 views

Dual boot Win 8.1 OK, Ubuntu 13.10 stops launch at GRUB4DOS

I have scoured the net and this site and trying everything to get this to work. I have, currently, Windows 8.1 installed and I am trying to install Ubuntu 13.10 so I can dual boot them. My hardware ...
2
votes
1answer
431 views

Remove startup password when default login is command line

When I boot up my computer, it goes straight to the command line. I modified /etc/default/grub file from GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" to quiet splash text. Can someone please explain ...
2
votes
1answer
942 views

Turn off nodmraid? (For installation)

okay, I've installed Ubuntu on a 4gb USB (LiveSession I think you people will call it) When I go to install Ubuntu onto my 16gb USB from the livedisk, I followed some instructions for setting up my ...
2
votes
1answer
999 views

Lifecam Cinema prevents boot into Ubuntu 13.10

When I have the lifecam cinema webcam plugged in, then there are problems booting into the operating system (ubuntu 13.1). Since I'm new to Ubuntu, I can only describe what happens. It boots as far ...
2
votes
1answer
357 views

Grub_rescue error : unknown filesystem , error loading operating system

i had Windows 7 and Ubuntu 12.04 installed in my system. I removed ubuntu and installed it again. When i restarted the system , its showing Error : Unknown filesystem grub rescue > i used ...
2
votes
1answer
2k views

Black screen when running xubuntu 13.10 after upgrade

I have a xubuntu v12 that I updated to v13.10. Sice the upgrade I get the black screen at a startup. I can get to the console and login. How can I run it in graphic mode? I run it on Oracle ...