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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Problems in dual-boot of Ubuntu and Windows 7

I have a dual-boot system with GRUB2 from Ubuntu 14.04.1 LTS 64-bit installed in the MBR. When I try to boot Windows 7 it fails sometimes and I have to restart the computer and try again. Furthermore, ...
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0answers
39 views

Problems dualbooting Ubuntu and windows

i wish to dual boot ubuntu 14.04 with windows 10 technical preview and i get this error when installing ubuntu ==>>/dev/sda contains GPT signatures, indicating that it has a GPT table. However, it ...
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25 views

SD Card reader not picking up UUID whilst mounting root

I've put the root of a Trusty install on a flash SD card, which I will eventually configure as read only, using an overlayFS to make some necessary parts writable, such as /etc. I know it might sound ...
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31 views

installing ubuntu 12.04.5 server using bootable usb

I created a bootable usb drive and tried to install ubuntu 12.04.5 LTS server edition and when it comes to the "detecting disk" part, it does not detect the inbuild eMMC storage (32GB) it keeps asking ...
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0answers
21 views

Can't find LVM root dropped back to initramfs

When I boot up I get a screen saying "Gave up waiting for root device" Then it lists common problems "ALERT! /dev/mapper/ubuntu--vg-root does npt exist. Dropping to a shell!" Then I get initramfs. ...
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2answers
18 views

Removing Ubuntu from a default O.S when starting PC

I have installed ubuntu alongside windows, on starting it, the computer starts in Ubuntu. I would want to have the option of selecting which operating system to use.
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1answer
16 views

Kubuntu 12.04 LTS only boots after crash

I am having troubles with my Kubuntu 12.04 LTS installation: If system has shutdown properly before I start the computer, the boot process crashes after the bootloader. The last output of the boot ...
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1answer
25 views

Change the OS boot sequence?

I've been installed the Ubuntu 14.04 in partition of hard drive other than C: drive like E: or F: drive first, then after few days later i installed the windows 7 in C:drive. After windows ...
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0answers
10 views

acpid does not trigger Events after booting; manually starting acpid works

I have a Thinkpad X230 with docking station and Ubuntu 14.04 and would like to execute a xrandr script to configure my external 2 monitors when changing from standalone to dockung mode and the other ...
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0answers
19 views

Ubuntu boots once after boot-repair

I have had installed Ubuntu 14.10 64bit, then installed Windows-8.1 64bit. As expected, grub2 was wiped out. I came upon Boot-Repair, installed and ran it from Ubuntu live-cd. After the "repair", ...
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2answers
23 views

Dual Boot System - No Grub Menu

My laptop boots straight to Windows 8.1 without showing me the grub menu. When i run the boot repair tool through the live usb version of ubuntu it tells me there were errors and returns this log. ...
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1answer
23 views

Grub editing and rearrange

basicaly I install new SSD drive for my laptop, install win7 and ubuntu on it, then put the old hdd as a slave drive to expansion slot. I totaly repartition old drive but still my GRUB instead of ...
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28 views

After installing ubuntu, can't switch to windows

Before u mark this as duplicate or unwote, please read whole question . I installed Ubuntu on my Computer ( with windows7 System), and it was all ok, but when I restarted computer I couldn't choose ...
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0answers
35 views

MAAS 1.7 How to Deploy utopic images

Installed MAAS 1.7 and successfully deployed several Trusty images; however, cannot deploy any utopic images. Added utopic repository by following http://maas.ubuntu.com/docs/bootsources.html, and my ...
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1answer
37 views

How can I install Ubuntu on boot up

I down loaded Ubuntu to DVD, not my hard drive which doesn't have enough space. I placed the DVD in the drive and shut down. On start up it did not launch the DVD but took me to the log in choice: ...
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0answers
10 views

Grub rescue screen comes even after boot repair

I tried installing ubuntu 14.0.4 on my Sony VAIO having windows 8. As i was installing i noticed it didn't ask me question about installing alongside with windows instead it throw message like No ...
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3answers
82 views
+50

If I boot Ubuntu, restart and then Boot Windows, it will give an error in the boot loader

I have Windows 8 and Ubuntu 14.10 in my laptop. If I boot into Ubuntu and then reboot and try to boot into Windows 8, in the Windows 8 boot screen (With a light blue background) I will get an error ...
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0answers
40 views

Will not boot after upgarde from 10.04 to 12.04.5

I have a Windows 7 partition and a Ubuntu partition I tried to upgrade from 10.04 to 12.04 via the update manger on the command line. I got the following message at the end when the machine tried to ...
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0answers
19 views

How can I recover my RAID 5 array after removing 3 or 4 of 7 disks?

I'd like to undo what I've mistakenly done. From Disks I removed 4 of 7, 2 TB disks from the software RAID 5 array. I am unable to bootup and come to this: error: disk 'mduuid/long UUID number' ...
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1answer
65 views

Ubuntu 14.10 Install Fails to boot

I have tried to do a fresh install of Ubuntu 14.10 on a 64bit-AMD (toshiba-satalite), from an liveCD ( that I made on a usb drive). I am able to launch the live CD, and install from there, but fails ...
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0answers
18 views

Ubuntu won't boot AFTER I already installed it. Keeps asking to “try” or to “install” again

I installed Ubuntu correctly the first time from my usb. I wiped out windows 8 for Ubuntu and all was right in the world. I restarted the computer once and now every time it boots WITH the usb plugged ...
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0answers
23 views

Can't boot the system after filling the trash directory, ergo the disk

I ran a program that filled my disk up to the rim. Because the disk was full, nothing worked. So I deleted all those generated files, but the disk was still full (according to df). I realized the ...
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1answer
30 views

My booting speed went from 8 seconds to 30 seconds

My booting speed went from 8 seconds to 30 seconds. I don't really know what happened. Any help please ! This is my dmseg http://paste.ubuntu.com/9062894/ and this is my bootchart
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0answers
9 views

Cannot display this video mode - Ubuntu 14.04 (32bit)

Quite similar to Cannot Display This Video Mode? which seems to have never been answered. Display works fine in liveCD but not in full installation. Full install boot I get the bios splash and then ...
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1answer
28 views

How to make an Ubuntu down load bootable

I have dual boot Ubuntu/windows. I want to kill windows and have one large partition for Ubuntu. I saved the Ubuntu down load to DVD. I had to. Not enough room on my drive. I tried to restart and ...
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0answers
11 views

Disk copy won't boot [closed]

I did a sector disk copy using Clonezilla but the target disk won't boot. Same result with G4L. Is there a additional step required? My source disk is a 3TB LVM.
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1answer
33 views

Booting from Ubuntu install disk

My dilemma continues. I had copied the latest Ubuntu download to DVD. Reason being, I don't have enough space on my dual partition drive so need to start fresh. From Ubuntu I did a restart with ...
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0answers
18 views

rk3288 shows only splashscreen

I've installed ubuntu 14.04 from t-firefly to my rk3288 micro-computer. LightDM was there and I wanted to turn off its autostart and wrote "manual" to /etc/init.d/lightdm.override. After reboot I ...
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2answers
59 views

Ubuntu won't boot up properly (Toshiba Satellite P50)

So I recently switched out windows 8 for Ubuntu on my Toshiba laptop. I installed it from my usb and everything went fine. Ubuntu was on my comp and I stupidly spent a few hours personalizing it and ...
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0answers
18 views

How to edit a boot Partition

I am trying to install Fedora alongside Ubuntu and it won't let be edit the partition that Ubuntu is on, so I can't put Fedora on it, is there a way to get around that?
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0answers
23 views

Update GRUB with encrypted LVM on second volume/drive?

On one machine I have an encrypted LUKS container around an LVM on /dev/sda that I can boot into. On the same machine is a second drive with an encrypted LUKS container around an LVM on /dev/sdb (that ...
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0answers
11 views

How can I setup a LTSP server on VMWare?

I have VMware Workstation 10 and I set the networking to bridged. How can I use my existing network and router. My local router address is 10.0.1.1, and my Subnet Mask is 255.255.255.0. What I am ...
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0answers
28 views

Win 7 won't boot after Ubuntu 14.04 install

I have a system with two HDDs, one 1tb and one 500gb. I installed windows 7 onto the 1tb hard drive fine, and used that for a day. Installed Steam and my steam library fine (as I'm only using windows ...
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1answer
41 views

Ubuntu 14.04 doesn't boot, Sony Vaio VGN-NW11S

I've set up Ubuntu 14.04 on a Sony Vaio (VGN-NW11S), dual boot with Windows 7. The computer is approx. 4 years old. It worked fine for 1 week or so, but since a few days it doesn't boot any more. I ...
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2answers
48 views

Cannot boot into Live CD (12.10), Live USB (14.04), or Boot-Repair USB

I am trying to boot into Ubuntu on removable media in an attempt to fix my bootloader for a Ubuntu 12.10 install on an HDD. However, it seems that I'm not able to boot into any of the media I've ...
0
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1answer
32 views

Reinstalling Lubuntu

I got a problem when I tried to reinstall Lubuntu. I tried UnetBootIn, Live USB, UUI, and PenDriveLinux, but they all failed. A friend told me that my USB needed to be reformatted to FAT32 by using ...
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0answers
45 views

installed ubuntu 14.04…now can't get access to windows 8.1 which was pre installed on my laptop…plz help [closed]

i can access only ubuntu now as if windows was never there.i installed ubuntu normally by partitioning C drive.I am not able to see my other windows drives also in ubuntu. I even tried bootkey....this ...
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0answers
31 views

Ubuntu installation - potential hard drive defects

Managed to get into trouble. Installed completely hideous video card drivers (from amd's website linux driver section from where I thought I'd be getting good stuff :< ) after which I couldn't boot ...
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1answer
23 views

What is ubuntu doing on bootup during black screen?

I have noticed that when I start up my laptop, it shows GRUB like usual but then it black screens for about 5 seconds, displays a message about support for core revisions 0X15 and 0X17 being disabled, ...
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1answer
44 views

How to recover data from corrupted os? (More info in comments) [closed]

Okay, my Mom has an Acer Aspire E1-472P 6860, and Windows has gotten corrupted and kind of just failed. It gives me the acer logo when I turn it on and then the message," Sorry, your pc has ...
0
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1answer
46 views

Can you install Ubuntu on a Windows 8 laptop without CD/DVD or USB drive? [duplicate]

I have an Acer Aspire laptop running Windows 8.1. I do not have a CD/DVD drive nor a USB stick. What I would like to know is how to install Ubuntu on a partition of your main hard drive without a ...
0
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1answer
45 views

How to create a bootable usb stick for ubuntu on RHEL 6 [closed]

I want to create a bootable usb stick for installing ubuntu 14.04 on my laptop. Currently I have access to an RHEL 6 machine. Ubuntu has guides for installing from usb stick, and two methods ...
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0answers
19 views

Very slow boot Ubuntu 14.04 Asus laptop

Quick question here. I've got Ubuntu 14.04 on a Asus U36JC (i5, dual boot Windows 7). I think I started this laptop on Ubuntu 11 or 12 and have updated always without wiping the hd. It used to boot ...
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0answers
34 views

Support for cores revisions 0x17 and 0x18 disabled by module param allhwsupport=0

I was wondering if there is a fix for this problem, as every time I boot my laptop this message comes up. Is there any way to get rid if it? Thanks.
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0answers
25 views

Ubuntu 14.10 taking a long time to boot

So, this has only started happening about a week back for no apparent reason. Ubuntu takes almost 4-5 minutes stuck at the purple Ubuntu screen for no apparent reason. Furthermore the GRUB 10-second ...
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2answers
89 views

Boot into Ubuntu without GRUB

Finally, I decided to go down the Ubuntu route and hit the first problem. It is not a big problem but more like a convenient feature! I have no experience in Linux at all and I need a help. I have ...
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1answer
46 views

'No boot disk has been detected or the disk has failed' after using Boot-Repair no dual-boot

I just installed ubuntu-14.04.1-desktop-amd64 on a desktop computer. I get the 'No boot disk has been detected or the disk has failed' when booting. The only way to boot Ubuntu is to go the BIOS ...
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1answer
17 views

Ubuntu will not load since I updated to 14.10

I have used the older versions over a year. After the latest update only the background shows. After searching similar problems on online forums I did the following: Ctrl-Alt-F1, I run xfdesktop, it ...
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0answers
34 views

How Do I install Ubuntu on a Dell laptop with no current operating system and on a Acer swift with windows 8 [duplicate]

Is there anyone who can provide with simple clear instructions on how to install Ubuntu on a relatively new dell laptop with no current operating system, it recently had it's hard drive completely ...
0
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1answer
47 views

Dual Boot Menu Missing - Can't open Luna [closed]

I'm certain that I correctly installed Elementary Luna OS alongside Vista, but my computer doesn't seem to recognize it. There is no dual boot menu, and when I press F12 or F8 during start up, I ...