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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Cannot boot into Ubuntu, software Raid setup, cannot find boot partition (e.g. /dev/sdXX)

really hoping someone will be able to help me out. As a disclaimer, I've previously posted this question on the Ubuntu forums, but had no joy. I've tried to check if it was okay to also post it here, ...
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1answer
10 views

Linux install on Kangaroo Plus

I am trying to use my Mac to write a boot disk for a recently purchased Kangaroo Plus computer that has no OS on it. I first used unetbootin to create a usb boot disk with ubuntu-15.04-desktop-iso and ...
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5 views

Boot failure on init-bottom liveCd - current

Not sure If this is the right place for it. I build a perstitent Live USB pen drive with c't desinfec't 2015 (branded modifid ubuntu 14.04 LTS. three partions 2GiB FAT32 for the sqashfs 1 GiB SWAP ...
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LVM & LUKS manual partitioned but issues with loader/init/grub

I've had some success with manually partitioning and installing LVM & LUKs. The partitions are created - home, root, swap and boot, the pv and vg's were all created and set up correctly. I ...
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ubuntu is not starting up.a black screen appears with long list of commands nd the whole screen is unresponsive.Please help

/dev/mapper/ubuntu--vg root: recovering journal /dev/mapper/ubuntu--vg-root: clean,266475/19267584 files, 2388615/77050880 blocks ... after this there is long list of commands then the last line is ...
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10 views

Graphic card problem: system running on low graphics mode

I'm using Ubuntu 13.04. I have problem with my operating system. Whenever I start my system it shows an error: Your system is running on low graphics mode How can I solve this problem?
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Ubuntu 14.04 won't boot - grub can't find normal.mod …

I scoured the forum and searched on-line and tried just about everything. Still same problem. I purged grub, re-installed, updated, and tried 'boot-repair'. All seemed to work until I exited, and ...
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2answers
19 views

Ubuntu 15.04 running slowly

This computer had Windows XP, after installation my computer now runs very slow. I removed Windows XP. Is there a way to optimize Ubuntu to get it to run faster? I have 1.1gig of memory and the cpu is ...
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1answer
14 views

Swap windows and ubuntu partitions

I buy a new laptop with sdd and hdd disk. With windows 10 installed on sdd. I install ubuntu 14.04 on hdd first, but then I wanted to swap windows10 and ubuntu. At first I clone windows with easeUS to ...
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1answer
14 views

Installing Windows10 and Ubuntu on UEFI with GPT

I just preparing all for install Windows and Ubuntu together in one SSD. My plan is: - Install Windows10 in UEFI using GPT partitions - Install Ubuntu in UEFI using GTP (mount /boot/efi) Now, I have ...
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22 views

“Kernel Panic” on booting from live usb

I am trying to install Lubuntu on this old laptop. I first tried Ubuntu but when running live from usb, it gave me an error: end Kernel panic - not syncing: VFS: Unable to mount root fs on ...
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18 views

update-grub cannot find Windows 8.1 after Boot-repair

I am running Xubuntu by default and so i managed to install WIndows 8.1 on a seperate harddisk. After the installation finished up I could not boot into Xubuntu anymore. Even if I removed all ...
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1answer
15 views

after installing ubuntu14.04 alongside windows 10 after few days windows not starting

I recently installed Ubuntu 14.04 alongside windows 10, but now my windows 10 will NOT boot. When i tryed recover it again it failed. Clueless new to Linux need help. How can i recover my Windows 10 ...
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0answers
17 views

Cannot boot as /sbin/init is reported missing

I use Ubuntu 14.04. A few days ago, I logged off, then my computer was unresponsive as I tried to log back on. I do not recall installing any software or changing any setting that could have caused ...
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0answers
16 views

New hard drive, Ubuntu 14.04 installation failing

hope I can find some help here. I am a complete n00b, so please tell me if I am not making sense or am leaving out vital info. I have an HP Pavilion 15 n271sa. The original hard drive failed the ...
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2answers
15 views

Sony Vaio Ubuntu installation won't boot afterwards

It may seem like a duplicate question, but it's not. I have a Sony Vaio that I installed Ubuntu 15.10 It was not a dual boot. During installation, I picked "erase everything and install ubuntu". ...
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0answers
26 views

Just installed Ubuntu but booting error displayed “Insert system disk in drive.”

Until a few days ago I was mainly a Windows user, since I couldn't install linux via dual boot on my computer. I tried everything several times, did everything right, but the problem was that after I ...
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0answers
9 views

Error booting Ubuntu 15.10 Server

The installation works fine and the package I install is Basic Ubuntu server and SSH. No fancy GUI just console. But every time Ubuntu tries to boot I get this error: [drm:intel_pipe_config_compare ...
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1answer
17 views

Installation problem with metalink

I am trying to install Ubuntu and have downloaded and opened the ISO file. The installation starts nicely when I press UBI. It allows me to fill in the initial facts. But when the real program ...
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0answers
14 views

Turn a normal partition installation of Ubuntu into an LVM one in a multiboot setup with Windows 8.1?

Is it possible to turn my Ubuntu installation into an LVM one? I wanted to install it with LVM in the first place, but at the time I installed Ubuntu I did not know it was possible to have a multiboot ...
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0answers
21 views

Ubuntu live CD boot error and Error Unknown Filesystem

I was using ubuntu 14.04, for educational purpose I tried to install Edubuntu. After having problems booting into ubuntu live CD, I booted into my ubuntu 14.04, then I formatted the filesystem for ...
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6 views

boot-repair not working on hp elitebook 2170

I bought a second hand hp elitebook 2170p, windows 7 preinstalled. I installed ubuntu erasing windows 7 (UEFI mode). Before installing on UEFI mode, I tried using "legacy" mode (selected from boot ...
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14 views

GA-990FXA-UD3 R5 motherboard has no internet connection during/after install Ubuntu 15.10

Here is my system: Motherboard: Gigabyte GA-990FXA-UD3 R5(rev.1) CPU: AMD FX-8370E GPU: Gigabyte GV-R929XOC-4GD Memory: 32GB Radeon DDR3 Performance Series PSU: 900W Hotkey Firstly I want to say I ...
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5 views

Ubuntu hangs at startup ?

It hangs at startup and show dotted lines loading if i press escape then it shows *Stopping LightDM display manager *starting CUPS printing spooler/ server I have selected gdm instead of lightdm ...
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0answers
11 views

Error booting into new kernel?

I cloned the Git tree of the mainline Linux Kernel and compiled it(version 4.5.0-rc1). After compiling with default configuration (make defconfig) I installed it. In the grub menu I can select this ...
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1answer
15 views

Ubuntu freeze on shutdown with AMD graphics card

I installed dual boot Ubuntu 14.04 LTS along with Windows 10 on a new DELL laptop (15 5000 series) with AMD Radeon R5 M335 graphics card. Ubuntu will freeze on shutdown. The GRUB boot menu has an ...
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1answer
21 views

Problem with Ubuntu shooting

I'm quite a newbie with Ubuntu, but i have to say that's a powerful OS. Despite that, today i got a problem starting it. When i turn on my portable, i got the purple screen that asks which option to ...
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18 views

Can't install lubuntu because I can't install grub

I installed lubuntu through a USB drive, switching from windows 8 on a Toshiba Tecra R940, but now it won't boot (had the same problem with ubuntu). So, I entered the "try only" mode and using the ...
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0answers
19 views

What's the install login/pw?

I installed Lubuntu 14.04 64-bit to a USB stick last night and tried to boot this morning. It wants a login/pw, but all I want to do is try it live! I've tried everything I can think of...does anyone ...
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1answer
35 views

Screens that show trash after installing Ubuntu 14.04 [on hold]

I installed Ubuntu 14.04 on my PC and when it starts it sends me first a white screen with vertical black stripes and if I write something it sends me crap. What should I do to correct this? My PC is ...
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26 views

Ubuntu booting slowly

I am running Ubuntu 14.04 LTS 64-bit on a laptop with an Intel core i5-5200U processor and 4GB RAM. On booting, the GRUB menu loads very quickly, but after selecting Ubuntu the screen alternates ...
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8 views

Kubuntu desktop loads slow after password entry

have looked these questions, 13.04 login: lagging after password entry for several seconds Ubuntu 12.04 desktop loads pretty slow after password entry All questions address boot problem, the cause ...
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0answers
27 views

No network connection after restart Ubuntu 14.04

After performing the command sudo dpkg -i libnl-*.deb and restart the network manager, everything went well, both LAN and WLAN connections worked. But after restarting Ubuntu, same problem, no ...
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0answers
6 views

“Gave up waiting for root device” on VMWare with custom kernel

I'am running Ubuntu 14.04 on WMVare virtual machine. I have built a custom kernel and succesfully installed it. But on booting up i get this "Gave up waiting for root device" message. Meanwhile it ...
0
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1answer
29 views

After installing Lubuntu in dual-boot with windows 10, I cannot access windows anymore

I installed the latest version of Lubuntu (which I also want to change to normal Ubuntu in the end) on a LENOVO ideapad (don't know how to get details on the laptop on lubuntu) but I cannot access ...
0
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1answer
24 views

How to replace current Ubuntu with an older version without harming the Windows partition?

I have currently Ubuntu 15.10 installed on my system in dual-boot mode alongside Windows 10. As I need to run an older version of OpenFOAM software on my machine, I need to replace the 15.10 with ...
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0answers
22 views

Kernel panic after upgrade to 15.10 [on hold]

Can not boot linux 4.2.9-29 generic kernel I am getting a kernel panic error. I am able to boot linux 4.2.9-27 generic kernel. Please advise as to what to do.
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0answers
9 views

Black-Screen after fist boot Ubuntu 15.10 [duplicate]

I'm fairly new to linux, and today i have installed ubuntu 15.10 from a usb, in my Toshiba Satellite-A205-S5825. The problem is as the title says i get a black screen after booting the laptop or ...
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0answers
22 views

How to add a secondary Windows hard drive which already has an MBR

I've found this community incredibly useful in making the leap into the world of Linux and had banished Windows for good but now I require it to run some very CPU intensive music software which isn't ...
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0answers
28 views

Ubuntu wifi usually not working on boot, needs kernel module restart

After installing Ubuntu on my netbook, an F205TA, wifi seems to be not working correctly. Usually wifi is not working after boot, but starts working after one or more tries of: sudo modprobe -r ...
0
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1answer
58 views

Cannot log in after 15.10 Update, cannot use recovery mode

I just upgraded to 15.10 from 14.04, and I cannot login now. I am brought to a command screen asking me to login. Trying startx doesn't work. I tried recovery mode and got the following error spammed: ...
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0answers
30 views

Did Ubuntu eat my Samsung EVO 840?

Scenario: I've been experimenting with Ubuntu Server (both 14.04 and 15.10) on an old Atom 330 board I had laying around. I set it up with LVM, installing the main file systems (/ /root and /swap) ...
0
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1answer
35 views

Booting from USB or DVD

I am currently taking my first Linux course so I am very new to Linux. I created a bootable USB followed the instructions to use on my MacBook. When I tried to boot up the UBS drive I was stuck at the ...
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0answers
21 views

Unable to boot windows 7 CD [on hold]

I installed Ubuntu and when I try to install Windows 7 the CD doesn't boot. What may be the problem? I tried to edit the BIOS menu by selecting the CD/DVD option but still the manager doesn't boot ...
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1answer
21 views

After updating ubuntu 14.04 to 15.10 desktop not appearing only command prompt shows

Dpkg: error processing package libkf5prison1:amd64 (--configure) dependency problem - leavino apport report written because Maxreports is reached alreasy Unable to copy paste as window not appearing ...
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22 views

Missing Text on Live USB [on hold]

I installed Ubuntu 15.04 onto a USB I had, after having trouble getting it to boot up (Through BIOS) after I kept getting the "Missing Operating System" error, it loaded up fine. Then when the desktop ...
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1answer
65 views

14.04 Latest 3.19 Kernel causes Kernel Panick (3.19.0-49-generic)

Let me start by stating that this post is extremely similar to this other post that was made a year ago but its the specifics that have changed and I want to double check if I should file a bug ...
0
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1answer
35 views

Ubuntu first timer trying to boot from USB on an old Celeron M machine

I've been at this for a couple of days now, and have made some progress thanks to many of the questions and answers here. First, the machine info: elo ESY15A1 all-in-one POS touchcomputer CPU: ...
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0answers
44 views

Windows 10 has disappeared from the boot menu on a UEFI system after Ubuntu Install

Windows 10 is missing from my boot list on my UEFI machine after I installed ubuntu in an empty partition. How can I get it back? I used a liveUSB of ubuntu to install ubuntu to an empty partition I ...
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0answers
17 views

Not booting after installation on UEFI GPT partition [on hold]

Why, after I install Ubuntu 15.04 (Vivid Vervet), reboot my laptop and remove the USB stick installation, do the following error appear? There is no bootable disk. It should be booted after the ...