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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2k views

error: no such device grub rescue Windows 7

I have a hard drive with Windows 7 installed on and I wanted to install Ubuntu 12.04 onto an external hard drive. So I made a LiveUSB with Ubuntu 12.04 on and installed it to the external hard drive. ...
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70 views

Not able to install 14.04 from DVD

I have downloaded iso image of Ubuntu 14.04 from the official website. After that I burned it on a DVD, when I boot my computer with the DVD inserted in the drive I see the following messages on a ...
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948 views

Entire HDD is one big lvm2-pv, hence unable to resize partitions or even bring back Windows

**The History** I have a Samsung NP300 E5C laptop with 8GB RAM and a 750GB HDD. I bought it as freeDOS. Then I installed Windows 8.1 pro 64 bit OS in it. Then I wanted ...
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139 views

Kubuntu 14.04 crashes on boot on Asus PC

After successfully installing Kubuntu 13.10 (64bit) on my Asus PC, I tried to upgrade to 14.04. After the upgrade completed and I tried to restart, the boot process crashes with a kernel panic, see ...
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91 views

Problem after using LuksRemovekey?

I have an encrypted partition on /dev/sda5, yesterday I use cryptsetup to remove the encryption using cryptsetup luksRemovekey /dev/sda5, but when I restart I have to provide a passphrase for ...
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39 views

Boot-repair in Win8.1/Ubuntu not working (Load windows with no GRUB)

I just installed Ubuntu as secondary OS. I can chose Ubuntu from the restart (shift key pressed) on Windows and boot to Ubuntu, but if I choose just restart the GRUB doesn't appear. I did the ...
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324 views

Encrypted drive (full disk encryption) gone after upgrade to 14.04

I'm in a bit of a pickle. I have just done an upgrade from 13.10 to 14.04, then I rebooted the machine and now the drive/partition is gone, so it boots into memtest. The drive was encrypted during ...
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633 views

Keyboard is not working in GRUB menu

My Laptop key is not working in GRUB menu. I don't have a dual-boot or USB keyboard attached. I have searched : here , here or here but all the options are either for Dual boot system or for ...
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1k views

Ubuntu 14.04 can't boot

I get these errors during booting in Ubuntu 14.04: mount: mounting /dev/disk/ by-uuid /926b9e0e.. mount: mounting /dev/on /root/dev failed mount: mounting /sys on /root/sys failed mount: mounting ...
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381 views

Ubuntu with system on mdadm, broken grub, won't boot

My old disc started failing so I decided to change it. While moving data to a new disk, seeing how big it is, I though it would be a good decision to split the disk and add some insurance with RAID1 ...
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88 views

Blank screen trying to boot from CD for install

I am pretty convinced as to why LINUX flavors will never be mainstream for general consumers. It is because of problems like I am encountering. I download and the installer ISO and made the CD to ...
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1answer
208 views

Can't Boot to Live CD - Samsung NP355E5C-A01US

I am trying to upgrade my laptop, a Samsung NP355E5C-A01US, from Ubuntu 12.10 to 14.04. The previous installation (Ubuntu 12.10) has become a bit unstable making this very difficult. I have a Live ...
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1answer
2k views

Stuck at Boot Black Screen After Reboot

I'm using Ubuntu Server 14.04 on VirtualBox. Windows host. Not sure if it is related, but I have just installed sendmail and mailutils. After a reboot, it's stuck at the black console screen, it's ...
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1answer
34 views

Unable to boot ubuntu 12.04

I have my hp probook 445 g1 ubuntu installed factory state. I was running out of boot space on my PC so I installed ubuntu-tweak to clean it.But it didn't worked. After that an error symbol is ...
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1answer
360 views

Cannot boot into Ubuntu (tried with 3 different USB Flash drive)

USB sticks- Generic 4GB, 2.0 ADATA Pro, 3.0 Sandisk Extreme, 3.0 Img files: 2 x ubuntu-14.04-desktop-amd64 (redownloaded twice, in case of corruption) 1 x ubuntu-14.10-desktop-amd64 -- current ...
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43 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 ...
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26 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 ...
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93 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. ...
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1answer
193 views

problem with dual boot ubuntu-windows

I have one desktop(64-bit) and one old netbook (32-bit). Both of them have windows 7 (only). I have a usb hard disk which has ubuntu (64-bit) which boots without problems from the desktop and recently ...
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154 views

How can I get Ubuntu working on my G4 Powerbook 1ghz 17"

Completely new to Linux but very keen to get it working on my G4 Powerbook 1Ghz 17 Have tried install of MintPPC 11 which failed to boot xorg and gave error: [drm] failed to open device Fatal ...
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1answer
84 views

DVD drive not detected in Ubuntu, Windows and BIOS

I installed Ubuntu 4 days ago on my system and since then my PC seems to be ruined. Windows boot time has increased like 4 or 5 times. Ubuntu takes about 2 minutes to boot and worst of all, my DVD ...
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186 views

Installing single OS Ubuntu 14.04 in EFI mode

I installed Ubuntu 14.04 on a Tohiba laptop from a iso image written to USB. The original OS was Windows 8, but when I was installing the Ubuntu, it said that no OS is detected. I did not care, as I ...
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586 views

Cant install Ubuntu 12.04, select CD-ROM Boot type

I'm having trouble installing Ubuntu 12.04 from boot disk on a friends computer. when starting the computer with boot disk the message appears: 1. 2. Select CD-ROM Boot Type: If I ...
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1answer
898 views

Attempt to read or write outside of disk 'hd0'

I installed 14.04 on my new 3 TB disk. After restart the system responded with error: attempt to read or write outside of disk 'hd0'. Entering rescue mode... grub rescue> When I booted with Live ...
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1answer
1k views

Asus x201e won't boot to any USB

I am trying to install Xubuntu / Ubuntu on my Asus X201E laptop, but I don't even get to the install menu, because the live usb (which I've tried making in LiLi, UNetbootin) doesn't do anything. I ...
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171 views

Dell M6800 with Windos 8.1 on part-1, cannot run if Ubuntu and Fedora are 2nd and 3rd OSsen?

On a Dell M6800 machine that has Windows 8 pre-installed, I upgraded to 8.1, then I loaded Ubuntu 14.04 then Fedora 20 the only way I could, that is in "Legacy" BIOS Mode. BTW the Ubuntu install was ...
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1answer
1k views

Booting off a ZFS root in 14.04

I've been running a Debian derivative (LMDE) on a ZFS root for half a year now. It was created by cloning a regular ext4-based install with all the necessary packages onto a ZFS pool, chrooting into ...
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1answer
223 views

Lo interface not coming up on boot (upgrade fom 12LTS to 14LTS, work in container mode)

I am using the Linux container , I upgraded from 12LTS to 14LTS recently, however after upgrade, the lo interface cannot be start automatically, and here is "ip link show" 1: lo: <LOOPBACK> ...
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99 views

14.04 LTS Unity no longer boots after last 94 MB update

I am running 14.04 LTS, Unity, on an HP Pavillion 15, 4GBRAM, 750 GB hdd, I-5 machine, with AMD 8600M graphics card built in. I have disabled the dash and all Ubuntu spyware. I have been faithfully ...
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42 views

boot problem with ubuntu 13.10 or 14.04 on linux

When I start my computer, it shows me a list of three options: "Ubuntu", "advanced options for Ubuntu", "System Setup" and when I click on Ubuntu to start the screen in most cases just turns purple ...
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41 views

Losing my saved settings each time I boot up from my usb

I'm a very new user to Ubuntu and everytime a boot with my usb stick I have to reinstall all the apps that I had previously downloaded. Why is this so?? How do I save everything so that I can just ...
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201 views

Trying to add Windows 7 to grub2

So I just got a SSD that I installed Ubuntu 14.04 on. I did this by using a disk. For some reason it would not allow me to install it from windows 7. So right now I have to go into my BIOS to switch ...
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1answer
41 views

Failure during boot with service failures (slowing down PC)

While Ubuntu is starting and showing it's boot screen an error occurs for several times saying: failed to execute 'lib/udev/socket:4/org/freedesktop/hal/udev_event' ...
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1answer
736 views

uefi dual booting windows 8.1 and ubuntu 14.04

I have raid 0 set up I have windows 8.1 with Ubuntu 14.04 I can boot to both just fine but I have to do it in the uefi bios . I would like to have in a boot menu in grub is that possible? I have ...
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1answer
301 views

Bootable ISO Disk doesn't work on Acer 1362 laptop

I have a 9-y/o Acer 1362LCi laptop that I want to convert to a Linux machine,since it is no longer useful as a windows machine. i made an iso dvd that is bootable from a win7 desktop, but it hangs ...
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1answer
2k views

Messages while booting 14.04

while booting ubuntu 14.04 after purple screen i can see black screen with these messages: [ 12.207377] snd_hda_codec: module has bad taint, not creating trace events [ 12.200502] ...
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44 views

Ubuntu installed but won't boot

Ubuntu installed and prompted for a restart. When I restarted the computer, Window 7 started normally and no sign of Ubuntu. When F2 is pressed during a restart Windows 7 is the only OS showing. ...
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1answer
4k views

Start-up error (ALERT! /dev/disk/by-uuid/xxxxxxxxx does not exist. Dropping to a shell! )

I got serius problem with ubuntu 14.04 please help me. When i start my computer its says following errors: — Boot args (cat /proc/cmdline) — Check rootdelay= (did the system wait long enough?) — ...
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1answer
508 views

Starting a process (sudo start) on boot up

So once I log into my Ubuntu VM I launch my application by doing a sudo app Now I want my application to get started while booting. I tried it by creating an rc. script but nothing seems to work. ...
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1answer
294 views

GRUB not giving any options on partition laptop

I installed Ubuntu 14.04 this morning some free space I had partitioned on my Win7 Laptop. Since then it will only boot into Ubuntu. From all the other posts I've seen it appears to usually be the ...
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1answer
124 views

Trying desperately to switch from Windows XP to Ubuntu 12.04

My son has a laptop that I installed Ubuntu on as dual boot. The other OS is Windows XP, that runs perfectly and has for some time now. I had a hard drive, installed it, installed Windows XP (SP2) on ...
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1answer
988 views

How do I create a multi-bootable SD card?

I am looking to make a backup & rescue micro-SD card for Microsoft Surface Pro 2 which has a micro-SD slot built-in. I probably won't be able to choose just one solution to use as a rescue disk, ...
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1answer
2k 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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1answer
102 views

Disabling the grub recovery mode programatically

I need to be able to update the grub config to remove the recovery mode boot option, programmatically. I got the initial info for how to do this (manually) from this question/answer: How to disable ...
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99 views

Load Nvidia driver on boot

I Installed Nvidia manually, everything is ok, but Ubuntu starts and stop in low resolution ( during logo) When I seached for answers I came across this https://help.ubuntu.com/community/NvidiaManual ...
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1answer
477 views

Virtualbox Virtual Machines Won't Boot After Cloning

I'm running Ubuntu Trusty using the current version of VirtualBox from Oracle's repo (with the extensions, if that matters). When I create a Debian Wheezy guest using UEFI mode, the install works ...
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38 views

How can I create a dual boot, keeping in mind my pc boots to Ubuntu?

So I got 2 new 500GB hard drives and I installed Windows 7 first on the first hard drive and on the second I installed 12.04 ubuntu. Is there any software that I can use to make it easier to get a ...
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1answer
380 views

in installing Ubuntu facing problem with following message “serious errors were found while checking the disk drive for /”

As i installed latest ubuntu 14.04 in my windows 7 'D' drive after reboot it showing following message serious errors were found while checking the disk drive for / . i re installed ubuntu for ...
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278 views

The --disk-module=MODULE option of grub-install don't work in Ubuntu 14.04

My OS is ubuntu14.04. And the command grub-install -V shows that the grub version is Grub 2.02~beta2-9. Since I have two disk on my laptop, and one of them is not bootable, I have to use nativedisk ...
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82 views

Correct steps to mount an internal backup harddrive

Sorry if this is covered elsewhere, I'm really hoping to get this right first time rather than lose backup information. I installed Ubuntu 14.04 Final Beta a few days back - during the install, there ...