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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Installation Error - The partition table format in use on your disks normally requires you to create a separate partition for boot loader code

I'm trying to install Ubuntu 14 LTS on my external 1TB HDD, but I'm getting an error when I press "Install Now". Error Message My Partitions (Don't have enough reputation to post images) These are ...
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Vmware not starting ubuntu [Solved]

Ubuntu is not running.Vmware shows following context: Setting SATA ALPM on host17 to max_performance...Done ... ... ***sched policy powersave OFF Setting /sys/bus/usb/devices/2-2.1 to on How to ...
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2answers
9 views

/boot full, how do I delete the files kernel there safely?

I just update, but, I don't want to restart the computer, 'cause it may not reboot
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6 views

boot ubuntu black screen

I'd like to ask you guys before I install Ubuntu in addition to my Win OS. I have this setup: Win7 64bit Core i7-3520M 8GbRAM, AMD Radeon HD7570M. Booting from USB I get the black screen and none of ...
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19 views

Windows XP missing hal.dll error after installing Ubuntu [migrated]

I was dual-booting and I wanted to make some unspecified partition space and I've decided I didn't really need my 14.04 Ubuntu so I deleted the partition of it with an Ubuntu Live CD. Since grub was ...
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15 views

Sudden problem when turning on the computer

I installed Ubuntu yesterday, everything was working perfect. I turned on the computer today and there was a problem with the /(whatever it means). The only thing I can see is the purple screen ...
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2answers
19 views

How to boot from an Ubuntu USB?

My laptop is running windows 10, build 9926. I would like to install Ubuntu or Kubuntu over windows 10. I have USB drives formatted and ready with the ISO files of Ubuntu and Kubuntu. (each drive has ...
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13 views

Ubuntu Server not booting up after install

I have a HP ProLiant Gen8 server with two 3TB HDDs and 16GB RAM and a 16GB Kingston USB. And I'm trying to install Ubuntu server on the 16GB USB, i followed the steps in the installation process and ...
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1answer
22 views

How to boot directly into Windows 10 from grub on Windows8.1-Windows10-Ubuntu15.04 tripleboot system?

I have a tripleboot system having Windows8.1, Windows 10 and Ubuntu 15.04. When I choose Windows from grub menu, it takes me to Windows bootloader giving choice between Windows 10 and Windows 8.1. How ...
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14 views

15.04 upstart&systemd boot problem

I upgraded to Kubuntu 15.04 and cannot start using either systemd or upstart without going into rescue mode. I switched from systemd to upstart without any change. It hangs at the Kubuntu logo and ...
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10 views

GRUB: boot.mod not found, loading works but symbol not found on linux.mod

So I tried to boot up a Ubuntu 14.04 PC I've had lying around recently when I stumbled across this error: Verifying DMI Pool Data ...... Update Success (I think this is just the BIOS, but you never ...
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1answer
24 views

Installing Ubuntu On Second Hard Drive

I have 2 1tb hard drives on my computer with Windows 8 on the first hard drive and nothing on the other. I want to install Ubuntu 14 on the second hard drive. I've looked up some guides and they all ...
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1answer
21 views

Will updating the BIOS remove my Ubuntu EFI entry?

I have an HP ProBook G1 with Windows 8.1 OEM on which I installed Ubuntu 14.04 LTS in dualboot. This laptop has a BIOS that makes it difficult to change the default boot loader called at hardware ...
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1answer
13 views

Acronis Extended Capacity Disk

I have a Western Digital Black 4 TB Hard Drive in my PC running Windows 8.1. To get past my PC's 2 TB limit I have used Acronis Extended Capacity Manager to gain access to hard drive space beyond the ...
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0answers
34 views

Unable to boot Windows after installing Ubuntu

I had Windows installed on an NTFS partition. I freed a partition and installed Ubuntu successfully on it. I booted to Ubuntu once but after I restarted, I wasn't able to boot into it again and all I ...
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1answer
19 views

Ubuntu will not boot all the way

Recently, my computer lost it's ability to normally boot ubuntu. I am very perplexed as to why it may be happening. An interesting clue: about a week ago, I was trying to move some files around into ...
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1answer
26 views

Migrating to new SSD, not booting! (GRUB not loaded)

I got my new SSD today, and used dd to burn the Ubuntu 14.04 image onto a USB. Then I swapped the internal HDD with my new SSD. I booted into the USB, and installed Ubuntu to the SSD. I manually ...
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18 views

boots into initramfs ubuntu 14.04.2

First of all here are some explanations: I installed Ubuntu 14.04 on my Asus UX301L around September 2014. At the time I removed Windows and installed the boot, swap, root(/) and a backup partitions ...
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15 views

Removing one of the 2 installed kernels prevents startup [on hold]

On Linux Mint 17.1 KDE I had 2 installed kernels(I saw in the View Kernels in the Update Manager) one was 3.13.0-37 which was marked Loaded, Recommended and Installed(uname -r also showed ...
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0answers
23 views

Unable to boot Windows 7 after installing Ubuntu 14 (Dual hard disk, dual boot system)

This is my first time trying to install Ubuntu; I am more familiar with using Macs. I had my Windows 7 pre-installed upon receiving a new desktop (Acer Veriton with Intel i7 Processor, 32GB, 1TB HDD ...
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0answers
17 views

How to reset at the the first start? or how to fix the error

I have an Jetson-TK1 with ubuntu 14.04. I installed 'Tegra124_Linux_R21.3.0_armhf.tbz2' , wrote 'sudo ./apply_binaries.sh' and 'sudo gedit jetson-tk1.conf' on terminal. When I change ...
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1answer
28 views

How to recover files from a crashed computer?

I was removing Wine and afterwards everything started going crazy. The result: I can't boot into Ubuntu nor Windows. I keep getting "Ubuntu boot fail", "Windows boot fail" and finally "Lenovo System ...
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33 views

Ubuntu suddenly dead?

I was working on Ubuntu sa always, when suddenly the system shut down. When turning the system baci on I was presented with a screen whose picture I can't post here sa I don't have enough reputation. ...
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1answer
52 views

Installing Ubuntu 14.04 on EFI System

I recently purchased Dell Inspiron 5548. 64bit System, 8GB Ram, 2GB ATI Graphics Card It came with Windows 8.1 Single Language Edition. I completely removed the Windows, also formatted the recovery ...
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22 views

boot problems after upgrading to OSX 10.10 yosemite

I dual boot OSX and ubuntu. After upgrading osx to 10.10 yosemite I can no longer boot linux. I had no problem installing refind so that ubuntu is visible, and choosable. The problem is that booting ...
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1answer
12 views

“The disk drive for /media/ext-hdd is not ready yet or not present” is shown every boot time

I used ubuntu 14.04 and windows 8.1 as dual boot. windows was in sda2 drive. I removed windows and sda2 drive became empty which was not writeable. I was able to write in that drive following this. ...
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8 views

What to do when I suddenly get an “attempt to read or write outside of disk 'hd0” error,and ubuntu 14.04 was working just fine the last night?

This morning when i turned on my laptop, it showed this error Error:attempt to read or write outside of disk hd0. Entering rescue mode... grub rescue>_ I immediately shut down my laptop and ...
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1answer
34 views

How do I fix boot problems after installing Ubuntu 14.04 alongside Windows 8.1?

I installed Ubuntu 14.4 (64bit) alongside the pre-installed windows 8.1 (64bit) on my laptop Dell Inspiron 7548 around 1 month ago (UEFI partition). For this purpose I used liveUSB according to ...
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1answer
21 views

why USB sticks are invisible in NoviCorp wintoflash(windows software)

I am trying to create a boot-able windows 7 USB stick through WinToFlash in wine-tricks.But whenever i started wintoflash,USB drives are not showing.I did so many thing via ...
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12 views

Ubuntu Live on Pendrive: How can I default booting to Ram Test?

I would like to create some Ubuntu Live pendrive for booting Ubuntu, but most often testing RAM: So, as long as the most usual behavior of this boot manager would be the RAM testing, I would like ...
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8 views

How can I repair the system management from the recovery menu

I have Ubuntu 12.04 LTS installed on an Acer AO756. I cannot run Ubuntu in normal mode under mains power alone. If I try to do so the computer shuts itself down after a few seconds. The only stable ...
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19 views

Ubuntu Boot/grub message

I'm sure you have seen this question before and sorry to waste your time but I have 2 computers that use Ubuntu 14.04 and the laptop shows an error message when switched on: error: file ...
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1answer
22 views

How do I use dmesg to diagnose slow boot speed?

I've installed Ubuntu 15.04 on a new Lenovo Thinkpad S440. With 8 gig of RAM, an i7 and an SSD I expected Ubuntu to boot in a few seconds, instead it seems to be taking almost a minute. I've read a ...
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2answers
26 views

How ot install ubuntu on a USB stick and make 100% sure you won't mess your internal HDD install?

I learned the hard way that when you install ubuntu to a usb stick it messes up your boot partition and the install of your internal hdd can't run anymore. Well, what is 100% fool proof way to simply ...
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15 views

USB 1-5 string descriptor 0 read error: -22

I have installed ubuntu 15.04 on my Acer aspire V15 and everytime I boot my system up I get the error mentioned above for about 10-20 seconds then another black screen with some writing then it boots ...
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21 views

How to stop getting two boot option screens

I installed Windows Vista into a partition on my Ubuntu 14.04 system, and then used boot-repair to give me boot options. However, it has created a peculiar situation. The initial boot options screen ...
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20 views

ubuntu fails to boot after erasing windows

I have been having problems with my sister's Lenovo ThinkPad L440. She erased her windows partition alongside Ubuntu. It had a 100 MB boot partition and the actual OS. It was not surprising that it ...
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2answers
57 views

How to dualboot Windows 8.1 and Ubuntu 14.04 LTS

I replaced my CD/DVD with a 2nd HDD using an HDD/SSD IDE to SATA adapter rack. I would like to know if i can have these configuration: Windows 8.1 licensed on first hardisk Ubuntu 14.04 LTS on the ...
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14 views

alert does not exist. dropping to a shell (external disk)

It used to be simple start the system from an external disk/usbstick. "But why make it simple when you can do in complex" I am trying boot ubuntu from USB-stick (xubuntu that is). What I have done ...
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1answer
69 views

Booting Ubuntu 14.04 from External HDD

My laptop has Windows 8.1 64-bit and since I have few space on my SSD, I wanted to install ubuntu in an external HDD. From the UEFI settings I disabled the safety boot, fast boot and so on, and I set ...
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0answers
16 views

Ubuntu wont boot from live cd. “chkdsk”?

I am not tech savvy so I don't understand why it wont boot. It says something about using "chkdsk". I searched for chkdsk and the program appeared but then went away. The error message it said was: ...
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1answer
8 views

All icons pixelated on startup

Icons pixelated and line through top task bar. nothing functions, can't even open drop down to do shutdown. have hard shutdown and rebooted several times ? But loads thumb nails/files on desktop just ...
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1answer
18 views

Ubuntu USB booting when deleted from USB

I recently used an ISO installer and used a USB to install Ubuntu to a laptop. I decided to add a couple different things to the USB so I wanted to delete the recent bootable Ubuntu that was placed on ...
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0answers
17 views

Ubuntu won't boot after upgrading from 14.04 to 14.10

I have dualbooted with ubuntu and windows 7 but lately when i upgraded my ubuntu version from 14.04 to 14.10 i am not able to boot. When i try to go in ubuntu it starts loading normally then all this ...
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36 views

Standard ubuntu 15.04 won't boot, but ubuntu (upstart) does

I understand that Ubuntu switched to systemd recently from upstart. Ubuntu started on the first boot, I installed cinnamon and made a change to grub.cfg in attempt to get my USB 3.0 Ports working, ...
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17 views

How to get ubuntu only on my mac

I have a macbook pro (15 inch, mid 2009) with OSX Yosemite 10.10.3. At first I wanted a dual boot... I have tried: -live disc boot with ubutnu 14.10 -Newly burned 14.10 & 15.04 as well -ubuntu ...
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1answer
72 views

How can I boot into Arch Linux using initramfs, in Ubuntu's grub?

I have two hard drives, with two corresponding Grubs. One is from Arch Linux, and the other is from Ubuntu. Using Arch's grub, I can boot into either distribution. However, using Ubuntu's grub, I can ...
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28 views

How do I move empty space on hard drive

I have a 500GB hard drive, internal, and it is split as follows: Partition Type Mount Point Size Used Flags 1. /dev/sda1 ntfs /media/BackupHD 433.55GiB 408.76 boot 2. ...
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1answer
79 views

Black Screen on boot Ubuntu 15.04 - Nothings working

None of the solutions this thread have worked: My computer boots to a black screen, what options do I have to fix it? I'm dual booted on a windows computer using an nvidia card. This isn't a fresh ...
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0answers
7 views

How can I rescue or restore parts of a user's X session or plasma config which was corrupted by a full disk?

What happened: I was downloading about 2GB of driver files when I ran out of disk space. My computer started running very slowly and eventually I had to hard reset. I'm running Kubuntu 15.04. / is ...