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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2
votes
1answer
6k views

iSCSI auto startup at boot 14.04

I'm running Trusty Tahr (14.04) server. I've attached an iscsi disk and mounted it, mkfs, etc. works great, if I do it manually. I'd much prefer to have my box mount the disk at boot so I've modified ...
1
vote
0answers
169 views

Grub2 cannot see my new external USB hard drive, but sees an older one

I am trying to boot Ubuntu-studio (current version) from a new Seagate 2TB expansion USB drive on an old system (PC) whose BIOS doesn't know how to boot from USB. No problems with either the install ...
4
votes
1answer
2k views

ubuntu will not boot from hard drive after installation

I made a live DVD with Ubuntu 14.04 for a new Toshiba laptop, Satellite C55-B5200. First I found that ubuntu booted easily, though slowly, from DVD. Then I selected installation from the grub menu ...
1
vote
3answers
5k views

Grub2 on LVM: How can I switch between alternate root LVs?

I have a working setup of Ubuntu Server 12.04 LTS (precise) installed on a LVM Volume (/dev/vg0/root). /boot is on the same LV, and Grub2 boots nicely from it using its own raid/lvm/xfs modules. Great ...
0
votes
0answers
36 views

Problem booting up [duplicate]

I tried downloading Ubuntu on my computer with Windows 8. I followed all the steps. I have it downloaded on my hard drive and on a flash drive, and I can't boot up from either of them. When I reboot ...
2
votes
0answers
2k views

MD5 says the checksum is correct but still “Check finished: errors found in 2 files”

I'm attempting to dual boot windows 8.1 and ubuntu but I can't quite seem to create a USB boot drive without errors. Twice now I have downloaded ubuntu-14.04-desktop-amd64 from the official website, ...
0
votes
1answer
150 views

Ubuntu 14.04 Won't boot

I have been trying to install Ubuntu for some time but it won't boot at all. I followed the instructions on the Ubuntu website to make a bootable USB drive (I used Pen-Drive-Linux ). Then I changed ...
0
votes
3answers
974 views

Cannot dual boot Ubuntu 14.04 LTS along with Windows 8.1 [duplicate]

Got a brand new Lenovo G 510 laptop with the following specs:- aled i5-4200m , 8 GB RAM ,1 TB HDD, 2 GB AMD-RADEON GRAPHICS CARD with Windows 8.1. I installed Ubuntu 14.04, alloting around 150 GB, ...
1
vote
0answers
254 views

ubuntu 14.04 boot from san

I installed ubuntu 14.04 on iscsi target and after reboot i get grub rescue prombt after error Boot sector id not valid error: no such device : c098787-4839-34bh-3d4f-b3eef9i3j9f any advice ?
0
votes
2answers
156 views

Ubuntu 12.04 - repeated booting problems

I have been having problems with my Ubuntu 12.04 LTS installation (dual boot with Windows 7). Whenever I install some update OR if the machine is stuck & I try to do a hard reboot, the OS never ...
0
votes
1answer
365 views

system hangs on /etc/fstab after forceful restart

I have to following fdisk -l Device Boot Start End Blocks Id System /dev/sda1 2000896 3999743 999424 83 Linux /dev/sda2 * 4194304 5242879 ...
0
votes
1answer
1k views

Gateway Laptop Won't Boot From USB Drive

Well it kinda boots, but right when it should reach the screen to ask to install or try, I only get a black screen. I tried to put a HDD with Ubuntu on it in my laptop, it boots fine until it reaches ...
1
vote
0answers
11 views

Ubuntu Server with ubuntu desktop does not have boot record, but it did when it was just basic server

The title says it all. I started by installing "server" with the ubuntu desktop package, and when it finished and rebooted: nothing. It completed full installation, rebooted, and there was no boot ...
2
votes
2answers
9k views

Gave up waiting for root device 14.04

There are a lot of answers and tutorials how to fix this but I was not able to apply any of the solutions in my case. Here is my situation: I have perfectly working Ubuntu 12.04 I have installed ...
1
vote
1answer
47 views

My desktop has pear os. I want to install Lubuntu from USB instea

My PC has Pear OS installed and I would like to install Lubuntu instead. I cannot boot from the USB stick (on which Lubuntu is installed). Any suggestions as to how to boot from the USB gratefully ...
2
votes
0answers
164 views

Boot to tty2 on start

On Ubuntu 12.04 I had a server with no GDM. I want to boot to tty2 on start up. What would I put into rc.local? Note* I do not have grub tty1: start on stopped rc RUNLEVEL=[2345] and ( ...
16
votes
1answer
3k views

boot up problem (14.04 + GRUB + Swap + Nvidia) - with pictures

When I start my laptop, it takes as much as 7 tries to get past the place where the swap gets mounted; if anyone is looking over my shoulder then it becomes 15 tries! My laptop is a lenovo W520 with ...
1
vote
1answer
35 views

can't boot into ubuntu please help my files are all gone [duplicate]

I have a Windows 8 based Sony Vaio laptop. Recently I installed Ubuntu 14.04 LTS on my laptop alongside windows, now I can't login into Ubuntu anymore. The boot menu directly boots into Windows 8 and ...
1
vote
0answers
27 views

iPlymouth Broke GRUB

I followed the steps in this thread: What happens if I disable and unistall Plymouth? Now GRUB is broken. I'm running Ubuntu 12.04.4 without a GUI and when my server boots now, I get a screen showing ...
-1
votes
1answer
167 views

No hard drive detected Lubuntu 12.04?

I'm trying to install Lubuntu 12.04 on this old computer I got from someone because they're planning on using it for college but it's old as holy flip. It's a Dell Latitude X300 with a Pentium M ...
1
vote
0answers
69 views

Dual boot. No boot option!

I just installed Ubuntu 14.04 from a live CD and when it was finished it restarted but didn't give me the option to boot Windows... Ubuntu booted automatic. I ran the command: sudo parted /dev/sda/ ...
1
vote
1answer
31 views

Fresh linux installed boot

I just installed Ubuntu 14.04 via USB on a 500GB HDD and I also have an old HDD of 40GB. I erased everything and now I only have Ubuntu installed, but on the Loading Operating System windows it give ...
1
vote
0answers
55 views

Grub Rescue command ls says failed reading section 0x0 from cd0

I had Ubuntu 12.* installed on my system. Then I tried installing Windows8, which failed. After starting my system I am getting Grub Rescue'' I did ls output:(cd0) then ls (cd0) output: failed ...
4
votes
0answers
60 views

how to install ubuntu on a computer without using a monitor? [duplicate]

I have a computer but with no available screen, how can I install Ubuntu server on it using a laptop I have, I can't format the hard drive in another computer and buying a new monitor is not an option ...
0
votes
1answer
197 views

I'm installing Ubuntu 14.04 on a Dell C521 keep getting error 8000

While installing Ubuntu 14.04 on a Dell C521, I keep getting error 8000 "reading sector" a few times. On a previous installation attempt I got another error number which I believe was 3820 a bunch of ...
0
votes
1answer
67 views

Cannot install Ubuntu 14.04 64bit

I got a new computer and am looking to dual-boot Ubuntu and windows 7. I have my partition made (50gb), and my 64bit boot disk made but when I try booting from it I just get a black screen, with the ...
0
votes
1answer
1k views

Laptop boots to a black screen after trying to install fglrx for AMD HD8670M in Ubuntu 12.04

I tried installing proprietary fglrx drivers by following instructions from https://help.ubuntu.com/community/BinaryDriverHowto/AMD However the installation failed with the error 'amdconfig: No ...
0
votes
1answer
27 views

problem while installing [duplicate]

I am facing the issue while installing ubuntu The boot starts I get the purple screen, Then after that I get the black screen And nothing after that. Can anyone guide me how to undercome this issue ...
-1
votes
1answer
45 views

i changed my swappiness from 60 to 10. now it boot

I was changing my swappiness from 60 to 10, but than after i restarted it, it would not boot by normal means. also i am very new to ubuntu just started using it. Gave up waiting for root device. ...
1
vote
1answer
226 views

Error message at startup [duplicate]

I just installed Ubuntu on my Gateway NE56R41u yesterday. Infact, it dual-boots with Windows 8.1 UEFI, but that has nothing to do with my problem. However, when I turn on my computer, I get an error ...
0
votes
1answer
3k views

How to add windows 8 boot entry to Grub2?

How to add windows 8 boot entry to Grub2? I had windows 7 installed on my primary(and active) partition and windows 8 installed on partition 2 which is logical and not active. Now I installed Ubuntu ...
0
votes
1answer
43 views

Replace Black screen/kernel text compiling with image

Does anyone know of a method or program that allows you no display an image instead of the black screen/compiling text that is normally displayed while booting? Thanks
0
votes
1answer
177 views

BIOS Corrupted After A Failed Suspension

Currently typing from a friend's Wii. My HP 2000-299WM laptop stalled while suspending one night, so I forced it to shutdown with the power button. Now, initial HP splash screen is blank, and leads ...
0
votes
2answers
181 views

Need help installing Ubuntu 14.04

I am a complete Linux noob. I burned the latest Ubuntu ISO to a DVD and tried to install it from the disk. My original intention was to install it alongside my Windows, but somehow I ended up creating ...
-2
votes
1answer
74 views

Dual-Boot issue (and much more…)

I downloaded today and installed the 64-bit version of Ubuntu 14.04 something,and i installed it via Live CD. All went well, I created a partition of 150GB and another one of 508MB (the latter for the ...
0
votes
1answer
25 views

triple booting on ubuntu

I have Windows 8, Windows 7 and Ubuntu x86 installed on my PC. When I boot, GRUB2 comes up so I can boot. I want to uninstall Windows 8 but keep Windows 7. How would I do this without breaking my ...
3
votes
6answers
16k views

EFI Dual Boot Windows 8.1 and Ubuntu 14.04

I have installed Ubuntu 14.04 LTS in a dual-boot config with Windows 8.1 following the tutorial: http://ubuntuforums.org/showthread.php?t=2227580 (I added an ext4 /home partition.) Even after step ...
1
vote
1answer
127 views

Failed 14.04 install and BIOS problem

After upgrading to 14.04 LTS from 12.04 LTS, I received the error file not found grub rescue So my boot loader is stuffed and I need to repair it. I decided to use a live USB and repair from there. ...
1
vote
1answer
102 views

How to schedule an irregular backup script requiring user confirmation

I have a backup script which requires user interaction. I would like to schedule it to run, say, once a week. The constraints are that (1) the computer boots straight into Gnome and is turned off ...
1
vote
3answers
70 views

Format hard drives w/o live CD

Someone gave me their laptop, and it has Ububtu on it. I have to reformat the hard dive. How can I do this without the Ubuntu disks?
1
vote
0answers
218 views

Trouble installing Ubuntu via a bootable flash drive, created on Mac

My brother recently decided to build a computer, but I had the privilege to put it together and to download Ubuntu. I created a bootable drive, on my Mac, using the 64 bit version of Ubuntu. When that ...
4
votes
2answers
243 views

Bootable USB not working for me

I currently have an HP computer that is only a few months old. The computer recently started running super slow and I was going to change from Windows 7 to Ubuntu as I know that Windows has way more ...
1
vote
1answer
115 views

How to configure grub

Hi Friends Myself Mukesh and I want your help to solve my problem. I have installed Ubuntu 14 on my HCL desktop with legacy BIOS support. It was working fine till yesterday when I installed windows 8 ...
2
votes
2answers
131 views

Unify Windows and Ubuntu boot managers

I ran into some trouble trying to start Ubuntu 14 in a new laptop with Windows 8.1 preinstalled. However, the booting process is kind of uncomfortable now. When I start the laptop first I can see the ...
0
votes
1answer
341 views

rEFIt menu not identifying os

I tried to set up a tri-boot system for my mac(OSX, Ubuntu 14.04, Windows 8.1), but rEFIt is unable to identify Ubuntu and shows unknown os icon instead. It also shows multiple icons for Ubuntu and ...
1
vote
0answers
178 views

Problem with the installation on ubuntu 14.04 LTS

I had a computer running Windows7 and wanted to change to Ubuntu. So I installed the 14.04 LTS version and all seemed to have gone cool. (I'd like to make clear that I want just Ubuntu in the ...
1
vote
1answer
253 views

Securing shared memory in Ubuntu (Linode VPS) renders it useless. Doesn't boot up [duplicate]

Everytime I setup a new VPS, I secure shared memory by adding the following to /etc/fstab: tmpfs /dev/shm tmpfs defaults,noexec,nosuid 0 0 Which works as expected on every host, ...
0
votes
1answer
208 views

After updating grub, my dell inspiran laptop boots but goes blank screen

I was facing a problem with my Radeon graphics card (getting too hot). So I applied the following solution given here: Enable AMD Radeon DPM (Dynamic Power Management): To enable DPM in Ubuntu ...
0
votes
1answer
189 views

Unable to correctly format and boot certain USB drives

I've just bought a small laptop, with no optical drive at all, and I would like to install an OS (in this case Crunchbang) on it. I couldn't have been create a bootable drive, on my Ubuntu desktop, ...
-1
votes
2answers
69 views

Finish partition from Ubuntu 14.04

i was trying to make a partition on my 1TB drive for installing Ubuntu 14.04. I had to remove an older partition in order to do it from my old Elementary OS distro. As i was restarting my computer and ...