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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cant boot windows 8 or ubuntu!

I 've recently bought a laptop with windows 8 and can't stand it. Though I need to keep it for some software I use at work.. I was advised to install ubuntu and have it set as dual boot. One ...
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140 views

/boot/grub/device.map is missing on Ubuntu 14.04

The device map file /boot/grub/device.map is in this format: (disk) /dev/device So, for example, on a system with a floppy and a single SCSI disk, the file would look like this: (fd0) /dev/fd0 ...
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68 views

Can only boot in recovery mode and resuming normal boot, but then Ubuntu gets very slow after resuming normal boot

I've just installed Ubuntu 14.04(Ubuntu only no windows) and I'm not able to do a normal boot, screen freezes. I have to go to recovery mode and then "resume normal boot" to start Ubuntu. That would ...
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35 views

Booting briefly shows CLI login and then black

When I boot to Ubuntu on my dualboot system, it appears to boot normally, up to the point when I would normally expect to see the lightDM graphical login screen. However, I see a CLI login screen, ...
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315 views

After installing a new Kernel in Ubuntu 14.04, rebooting takes me to busybox initramfs. How do I mount a filesystem after that?

I have a virtual machine with Ubuntu 14.04 in it. I recently built and installed linux-3.14.5 kernel on it, and tried to boot into it, but it drops me to BusyBox v1.21.1 built-in shell. Here's what I ...
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96 views

Grub rescue - error: unknown filesystem unable to find solution from current answer

hii guys i have recently install ubuntu 14.04 on my vaio after that i have srinked a volume from windows 7 after that i am unable to start my laptop. the error is Grub rescue - error: unknown ...
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330 views

Ubuntu 14.04 LTS Boot-Repair Error

I always like to start by apologizing just in case this is a duplicate question, but I don't really know what to ask, so I don't know what to look for. With that being said, I'm running a Lenovo V570 ...
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64 views

no GRUB menu bootloader option

I have used Ubuntu distribution in my HP laptop along with Windows 7 dual-boot before. But due to some mistakes while partitioning using windows default partition tool, I formatted my system drives ...
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40 views

Ubuntu 12.04 GUI not working after installation

So, I installed Ubuntu 12.04 (via Unetbootin) onto my hard drive (I did not use a live boot disk to accomplish this task). After the installation when I boot up I get 2/4 orange dots and half of the ...
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134 views

Ubuntu 14.04 lost cores on AMD CPU

It seems that I have a problem. Installed 14.04 a few days ago, everything was smooth sailing until yesterday it wouldn't boot up. Recovery mode says that CPU's 1-6 don't respond. After 7 it moves ...
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114 views

Operating System not found, win7 dual boot

After installing 14.04 from a liveUSB alongside windows 7 and encountering no problems for about a week, I shut down windows and rebooted only to see the "Operating system not found" message and being ...
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89 views

Ubuntu 12.04 slow boot on ASUS, attached with dmesg and bootchart

I heard that Ubuntu can boot up around 30sec, but I take more than 60sec every time my Ubuntu boot. I also read some forum said need to post the dmesg and bootchart to identify which process slowing ...
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14 views

Purple screen only on resume from hibernate

This might be a duplicate, apologies if it is... I couldn't find anything exactly identical. My system boots up just fine. But whenever it tries to resume from hibernation, I get to GRUB and then it ...
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40 views

How to Access Windows Partition/Drives

I installed Ubuntu 13.10 from bootable Pen Drive and during the installation I had overwritten it on previously run Windows 7. Now I am unable to access the Windows partition D Drive, E Drive, F Drive ...
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871 views

Getting “read failed after 0 of 4096 at xxxxxx: Input/output error” error for LVM

I have system with Ubuntu 12.04. On this system used LVM for managing disk drives and similar mass-storage devices. When I used lvscan command for scanning all the logical volumes then it displayed ...
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25 views

Add 30 seconds to boot in dmsg for no apparent reason

I'm struggling with this one for some time already with no luck... Mu boot process add 30 seconds around root and swap partitions mount: [ 3.098501] Switched to clocksource tsc [ 4.692473] ...
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261 views

Macbook Pro 13 inch (2013 Haswell Retina) - Unable to Install Ubuntu 14.04

I just tried installing Ubuntu 14.04 on my Macbook Pro (2013 Haswell Retina) laptop and it doesn't work. I'm using the rEFInd bootloader and I've been able to load the live CD and run Ubuntu without ...
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1k views

Ubuntu 14.04 Manual Hard Drive Partitioning Help Needed

I'm in need of some assistance with manual partitioning from the Ubuntu 14.04 install GUI. I'm trying to do a fresh install of Ubuntu 14.04 desktop. I have a 60GB SSD as that I want all my OS files ...
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81 views

Can't boot after 14.04 upgrade

Dual boot from 2 hard drives (win7, U13.10). Been running good for months (year?). Auto upgraded to 14.04 over night. Got up in the morning, and it won't boot into Ubuntu. It says it can't find the ...
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134 views

How do you repair a non-booting Windows 8.1 installation after updating to Ubuntu 14.04?

I have dual boot set-up with Windows 8.1(original OS) and Ubuntu 14.10. Recently, Windows stopped booting. I am presented with a 'Recovery' screen with the Error Code: 0xc0000225. Windows stopped ...
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45 views

How to install a Ubuntu 14.04 System on a 128 GB USB

I have been able to do this with an 8GB USB but when trying to do the same on a 128GB USB get various error codes talking about partitions and Mount problems. Can anyone give me clear instructions ...
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91 views

Fresh install of 14.04, can't boot

I had Fedora 20 installed on my laptop, but last night I used UNetbootin to make a bootable Ubuntu USB stick. Installed Ubuntu 14.04, everything went fine, but when I restarted the laptop I got a ...
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29 views

Recovering the Encryption Password Method

my question is that i am installing the ubuntu 12.04 and gave the encryption password at the time of installation but i forget the encryption password so how to recover or change the password without ...
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41 views

T440s Stops Booting into GRUB after a random period of time

I have a new Thinkpad T440s. Here are my specifications: Intel 4600U 12GB (4GB integrated, 8GB stick) DDR3 1600 Samsung 840 SSD 250GB Sandisk SSD 16GB This problem has been a real brain buster as I ...
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22 views

Automatically detecting and outputing to s-video at startup

After combing the Internet I have developed a script that is capable of checking whether I have a monitor connected to my VGA port and switching to my s-video port if not #!/bin/bash # if no vga then ...
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291 views

Strange ethernet behaviour of Ubuntu 14.04 on Fujitsu Esprimo P720 E90+

after I had openSuse running on this machine without Ethernet issues, I installed Ubuntu 14.04 and ran into a weired Ethernet problem. My colleague has Ubuntu 12.04 on the same type of computer and no ...
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147 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 ...
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30 views

System hangs on boot, black/purple screen

I can't boot my system. I set nomodeset and removed splash/quiet in GRUB. That causes a lot of boot text to go by, then the screen goes blank and that's it. Attempting to get to the shell ...
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88 views

I just installed Ubuntu 14.04 but there is not boot option

I have a notebook with win 8 (UEFI) on it so I decided to install ubuntu 14.04. I installed it on NOT UEFI mode I created 2 partitions a swap memory and then an ext4 and installed ubuntu everything ...
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29 views

Cannot write bytes: Broken

I am getting an error at beginning while booting itself and so i can't get to my desktop. When i boot i select Ubuntu and then after disabled bios messages i run directly into the black screen with ...
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56 views

Ubuntu 13.10 continuous beeping

I'm using Ubuntu 13.1064b on a Dell Inspiron N5010. Sometimes when I boot into Ubuntu, I get a continuous beeping noise on my sound card output. My laptop's internal speakers stopped working a long ...
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39 views

how to get ubuntu to load via DVD onto pc on xp

Downloaded the 32bit Desktop 14.04 version using a Windows 7 laptop. I have checked the download using winMD5SUM - ok- and burned a DVD using Deepburner. After several tries at booting the pc in ...
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140 views

BusyBox: dropping to build-in shell: initramfs problem with encrypted hard drive

I tried to do an upgrade from 13.10 to 14.04 on my laptop. When I came back a bit later, the machine had crashed. I restarted it and it had got in a pickle halfway through the upgrade process. I did ...
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425 views

Reinstalling Grub - shows no volume groups found, how do you fix this?

I have a full backup which I had restored onto a new built system on Ubuntu 12.04 The backup did not include /dev /proc /sys folders. Upon rebooting, the grub show the following errors error: no ...
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433 views

mdadm warning (system unbootable) from update-initramfs, mkconf's suggested fix seems inconsistent with mdadm's description of problem

Summary: update-initramfs says system unbootable, message points to mkconf which suggests rewrite to mdadm.conf that would appear to break the RAID, system up (for now) but next reboot may kill it, ...
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414 views

Linux stops at “Switched to clocksource tsc” after fresh install of 14.04 — Setup or reinstall?

I've been looking forward to installing the latest greatest daily build of Ubuntu 14.04 into my 'new' X301 Lenovo, which seemed promising as the OS preview from live USB worked rather well. ...
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25 views

Unable to install on Toshiba P25-S507 laptop

Trying to get Ubuntu to install on an old Toshiba P25-S507 Laptop but not having any luck at all, tried from DVD downloaded online, tried from usb stick, tried using cd boot helper which gives me an ...
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229 views

Ubuntu 14.04 LTS will not go past grub2 menu

I have a HP Pro 3130 MT and just did a fresh install of Unbuntu 14.04 64-bit. When I restart, instead of getting a ubuntu logo or going to the login page, the OS takes me to the grub2 screen that has ...
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80 views

how do i get grub-customizer to change appearance on grub screen?

in Linuxmint 16, installed grub-customizer. changed Font size, colors, put in png picture and looks terrific IN GRUB-CUSOMIZER...but DOES NOT AFFECT the boot up grub screen in any way. still shows up ...
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79 views

HDD and USB drives refuses to boot, just sends me to Grub-Rescue

I have 2 Hard drives installed in my computer. On one hard drive, I had Ubuntu 14.04 and the other was a Windows 7 HDD. Today I had to delete the Ubuntu HDD. I did this from my Win7 Partition ...
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125 views

Booting problems after update

Yesterday I updated my laptop (Lenovo ThinkPad T440p) to Ubuntu 14.04. Afterwards I restarted the laptop, but the operating system wouldn't start. I can''t get into the booting menu to choose Ubuntu ...
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96 views

Auto-boot to CLI in Ubuntu Server and auto login to GUI

I know that this question is likely to have been asked elsewhere, but despite a concerted effort I have found everything BUT what I am looking for. What I want to do is pretty straightforward. I have ...
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70 views

Error when starting ubuntu laptop.

My laptop is a modified Toshiba Satellite L355. It has a Intel core 2 duo 1.83ghz Cpu and 3gb ddr2 Ram. I'm using Saucy Salamander 13.10 I installed Ubuntu Studio a while back when my friend gave it ...
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29 views

Ubuntu Boot Trouble

When I was using the Universal USB Installer I accidentally selected the partition I created for Ubuntu to be installed on. Now when I boot my PC I can no longer boot windows, and even after ...
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38 views

How can i get my graphics card to work?

Okay, so i have an old graphics card that i decided to use in another computer. The problem is, the computer doesn't detect it. at all. in legacy mode, nope. uefi, nope. It doesn't even switch over to ...
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176 views

Ubuntu 14.04 quit suddenly, won't boot now, “recursive partition table”

While running my recently updated Ubuntu 14.04 system, the screen suddenly went black and unresponsive. I don't remember exactly what I was doing at the time, but it was something simple like running ...
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211 views

Can't boot any linux based distro (error: attempt to read or write outside of disk 'hd0')

i'm new to Linux OS and i wanted to install a distro for my old laptop (HP Compac nc6400). Tried with lubuntu, xubuntu, ubuntu (14.04 all of them) and lxle, and all of them had a single problem: after ...
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316 views

Ubuntu scripts/init.bottom Hang

I am trying to boot my 12.04 ubuntu server, and I am getting hung on: Begin: Running /scripts/init-bottom ... done. This is in a VM on HyperV. I have tried fsck, tried going into recovery mode and ...
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147 views

Ubuntu desktop with citrix receiver

Is it possible to built an Ubuntu desktop which would autostart the Citrix Receiver after boot? The plan is for the user to see nothing other than the virtual desktop with the login screen.
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27 views

How do you restore bootable flag to windows HDD?

On my Dell Inspiron 660 i have windows 8.1. Now, Feeling as if that is not open-source enough, i often boot into ubuntu 12.04 Via live usb. Doing so has, somehow, turned off bootable flag for windows ...