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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6
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1k views

Ubuntu 12.04 Unity: Black screen with cursor only, when external display is connected before booting laptop

Whenever I connect an external display to the DSub port of my laptop before booting into Ubuntu, something goes wrong in Unity to cause the exact same problem as described here: After logging in, ...
4
votes
0answers
656 views

Gave Up Waiting For Root Device - Fresh Install 14.04

I am getting the error: Gave up waiting for root device. Common problems: - Boot args (cat /proc/cmdline) - Check rootdelay= (did the system wait long enough?) - Check root= (did the system ...
3
votes
0answers
32 views

Ubuntu stuck on installer

I've just got a new Acer laptop with Windows 8.1, 1TB storage and 4GB RAM. I've downloaded the latest version of Ubuntu and used a USB as the boot option. Before this, I partitioned my HDD into a ...
3
votes
0answers
30 views

iMac will not boot OS X after installing Ubuntu

I installed Ubuntu alongside Mac OS X on my iMac, following HowToGeek's tutorial. Whenever I boot, I get GRUB with the following options: Ubuntu Advanced Options for Ubuntu Mac OS X 32-bit Mac OS ...
3
votes
0answers
548 views

KVM-Guest only boots single user mode

We have a Vserver Host running on Ubuntu 12.04 with KVM/QEMU and so far guests been running fine with various OS's (Ubuntu 10.04, 12.10, Debian 6,7, CentOS 5,6). After the installation of Ubuntu ...
3
votes
0answers
502 views

SSH update to 14.04: The disk drive for / is not ready yet or not present

I am not able to restart my Ubuntu server after upgrade from 13 to 14.04. What can I do to make things work again? I tried to upgrade my server over ssh to ubuntu 14.04. When the installation ...
3
votes
0answers
1k views

Gave up waiting for root device

I just installed Ubuntu 12.04.4 but cannot fully boot. Here is my error message: Gave up waiting for root device. Common problems: - Boot args (cat /proc/cmdline) - Check rootdelay= (did the ...
3
votes
0answers
352 views

Black screen before login

I'm having some trouble with my xubuntu. It was running just fine yesterday but it's not working today. I remember that I've flipped the power switch during the last shutdown (because it was taking ...
3
votes
0answers
602 views

GRUB_HIDDEN_TIMEOUT and GRUB_TIMEOUT Do Not Accept 0 Value

I am not on a duel boot system, and do not want to view the GRUB boot menu. I have used methods that have worked in the past to change /etc/default/grub to accomplish that ends, but they have not ...
3
votes
0answers
514 views

Ubuntu 12.04 and Windows 7 dual boot on ssd + hdd raid1

Despite reading dozens of HowTos and so on I am getting crazy about trying to get my dual boot system running. Maybe you can help me. My system: Asus Z87-pro motherboard with UEFI Samsung 840 Pro ...
3
votes
0answers
1k views

strange boot.log - multiple startpar bridge… starting and stopping repeatedly

I've just encountered a very strange boot (since I have no "quiet" nor "splash" in grub options). So I've had a look in the log: crysman@crysman-U36SD:~$ cat /var/log/boot.log * Starting Bridge file ...
3
votes
0answers
102 views

How are modules loaded at boot

if I do "lsmod" I get a long list of loaded modules. Which file lists the modules to load at boot time? I've seen pointers to /etc/modules but in my case it only contains "lp" and nothing more. ...
3
votes
0answers
494 views

Why is there no EFI boot loader on the Ubuntu 12.10 x64 Netinstall? (mini.iso)

Im trying to boot the netinstall(mini.iso) toasted to an usb-stick, but there is no EFI loader in that iso image. so it is not possible to load that kind of installation type on an efi powered system. ...
3
votes
0answers
427 views

Lightdm not working at all since bumblebee install!

I'm relatively new to Ubuntu, so please excuse me if my question is stupid... So a few weeks ago, I bought a Gigabyte U2442N with Optimus Graphics (a 640M and a HD4000). I installed the stable ...
3
votes
0answers
784 views

Ubuntu 12.10 live usb boot hangs at Splash screen

I have created Ubuntu 12.10-amd64 bootable usb disk. It boots but when I select Install on harddisk or Run without install, it just stops at the splash screen. I tried -nomodeset, but same thing ...
3
votes
0answers
3k views

Unable to open Recovery, at boot, using “SHIFT” key (12.04 LTS)

I have tried rebooting multiple times to try to get to "Recovery" (GRUB 2) by holding down "SHIFT" during boot. I am waiting until BIOS screen completes. I need to reset the admin password because I ...
3
votes
0answers
263 views

How to Install Ubuntu 12.10 on the GPT ?

I have installed Win7 first and I created GPT. Unfortunately, when I try to install Ubuntu 12.10, in the GParted, it just show all my HDD haven't partition. In the Window I still see the C,D,E.... ...
3
votes
0answers
1k views

“BusyBox initramfs” prompt while attempting to install from live CD on 2nd HDD

I've created a partition in ext3 on my second HDD to install Linux. However, when I come to boot the CD, I get directed to a BusyBox prompt with no other choice than help. Other topics I've read on ...
2
votes
0answers
14 views

PXE boot 14.04 : filesystem.dir not working: do I have to use filesystem.squashfs?

I've been using PXE-Boot with an extracted filesystem rather than squashfs so far: [NFS-server]:/[cdpath]/casper/filesystem.dir/ instead of [NFS-server]:/[cdpath]/casper/filesystem.squashfs This ...
2
votes
0answers
15 views

Ubuntu 14.04 boot hangs at logo after updating

Yesterday, I did a update/dist-upgrade. Today, I powered on the machine and it was hanging at the loading screen with logo and cycling dots - I've waited at this screen for about an hour several times ...
2
votes
0answers
190 views

GNU GRUB, Minimal BASH-like line editing screen displays before the usual GRUB screen when dual-booting Ubuntu 14 and Windows 8.1

I have read a couple of posts similar to this issue, but it seems many of them could not boot to Ubuntu after getting this screen due to a bad boot manager. It does not seem this is the case for this ...
2
votes
0answers
29 views

Long startup time after power supply is changed

I have a deskop PC here running Ubuntu 14.04 and observer very long start up time - about 5 minutes. If the Ubuntu is already started and I restarted it, it takes about 30 seconds to load. So the ...
2
votes
0answers
50 views

How do I remove an entry from Windows Boot Manager through Lubuntu

So I have a laptop that I got through work: it had one half of the HDD partitioned to their own version of Windows Enterprise (so no cmd unless you have admin rights) and the other half partitioned to ...
2
votes
0answers
366 views

Ubuntu server (VM) hangs after “Begin: Running /scripts/init-bottom … done”

My bootup hangs, as seen in the image below. (there has been an update. check the edit below) When I press escape, it tabs to this screen : The whole story : This VM ubuntu server is used for a ...
2
votes
0answers
404 views

14.04 - Replaced drive in Software RAID 1 - How to make bootable?

I have an Ubuntu 14.04 x64 server with 2 500GB drives (sda and sdb) in a software RAID 1. I just had to replace sdb. Adding it back to the array with mdadm and resyncing was a snap. The problem I'm ...
2
votes
0answers
86 views

setting of GRUB for two Linux distributions installed to two separate hard disks

I installed a second hard disk to my laptop so that I can test on new Linux distribution without trashing my working one. I did the following: Installed Linux Mint 15 to my first drive sda and use ...
2
votes
0answers
90 views

Both Windows 8.1 and Ubuntu not booting after installing Ubuntu 14.04

I had installed Windows 8.1 in my Dell Inspiron 5521 in Legacy Mode. I then tried installing Ubuntu 14.04. The installation was successful. But after rebooting, I was unable to boot into any OS. While ...
2
votes
0answers
85 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 ( ...
2
votes
0answers
436 views

Stuck in GRUB Rescue Mode, all partitions -> “Unknown filesystem”

I somehow messed up my laptop... I have a dual boot machine with Ubuntu 14.04 and Windows 7. The Ubuntu OS has been installed a couple of days ago and I was encountering an annoying bug: when booting ...
2
votes
0answers
943 views

Ubuntu 14.04 installation crashes with “???” message after selecting drive

The Gist: I have been trying to erase my disk and install Ubuntu 14.04 LTS on my laptop as my sole operating system. I can boot "Try Ubuntu" or "Install Ubuntu" from a USB stick. During the graphical ...
2
votes
0answers
275 views

How to get rid of grub menu after boot?

Here is my /etc/default/grub: # If you change this file, run 'update-grub' afterwards to update # /boot/grub/grub.cfg. GRUB_DEFAULT=0 GRUB_HIDDEN_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT_QUIET=true ...
2
votes
0answers
105 views

How can I remove Ubuntu record from my boot list?

I've installed Ubuntu 12.04 on an external USB3.0 drive. I selected sdb (the usb stick) as grub point and created a new ext4 partition as root on sdb1. Everything went very well and I could either ...
2
votes
0answers
520 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 ...
2
votes
0answers
533 views

Xubuntu 14.04 LTS not able to Boot

I finished installing Xubuntu 14.04 LTS (x86 version). After restarting my system, it hangs for maybe 10 to 15 seconds and then displays this in the command prompt: Gave up waiting for root device. ...
2
votes
0answers
38 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 ...
2
votes
0answers
444 views

How to deal with “Errors were found while checking the disk drive for /” in a server?

It seems a little stupid for a operating system this behavior in a SERVER operating system. The problem is very simple to replicate on Ubuntu Server: just change the date back in time and then reboot ...
2
votes
0answers
123 views

Computer won't boot after shutdown/reboot

I currently have a Toshiba Sattelite C660D which dual boots Ubuntu 14.04 (had same issue with 13.10) and Windows 8. Every time I shutdown or reboot my laptop from Ubuntu, I can only get it back on, ...
2
votes
0answers
2k views

ubuntu 14.04 not booting, update-initramfs “nothing to do, exiting”

I did a mess while installing ubuntu 14.04 on my XPS 15 (9530 haswell) and I need help to rebuild boot partition. My computer has one miniSATA SSD 32 GB and a 1TB HDD. I crypted both with LUKS with ...
2
votes
0answers
208 views

Ubuntu 14.04 single install not booting Mac Pro 4.1

So this is what has happened so far... I tried to install Ubuntu 14.04 Mac version and now the Intel version on my Mac Pro 4.1. Installation succeeded each time yet when I restart the computer it ...
2
votes
0answers
147 views

Some keys not working until ~10/20min using laptop

I'm having, since 3-4 months some strange problems with my laptop's keyboard. It's an ASUS X401A running Ubuntu 12.04.3 x64. When I start the notebook, some keys (a, d, g, i, m, k, down arrow) don't ...
2
votes
0answers
30 views

Boot error for newly compiled kernel in Ubuntu

When I am booting into the newly compiled kernel it is showing error. Following image shows where the booting stopped.
2
votes
0answers
90 views

A reliable way of creating a bootable usb in kubuntu?

Unetbootin installs grub which then boots the system you specify. I don't like that. Linux live ISOs are directly bootable and usually contain a pre-configured grub install of their own which among ...
2
votes
0answers
80 views

Is there any kind of relationship between Windows and Ubuntu installation?

I've just experienced incredibly weird behavior in Ubuntu. I've written lately some questions here regarding my shitty tablet not working correctly in Ubuntu 13.10 . I've left it that way having it ...
2
votes
0answers
146 views

Can't boot after Kubuntu 13.10 installation with Windows 8 Dual Boot

I installed Kubuntu 13.10 with Dual Boot Windows 8.1 via USB. After reboot i got the prompt: Minimal BASH-like line editing is supported I already tried to fix it with boot-repair, but nothing ...
2
votes
0answers
55 views

Not able to boot ubuntu after windows drive format

I formatted one of the partitions of my Windows 8 drive after which my Ubuntu is not booting. I am using a dual boot system with Ubuntu 12.04 release. On booting, grub menu is displayed properly. ...
2
votes
0answers
125 views

Installing Ubuntu 13.10 error

I installed Wubi a little while ago to try out Ubuntu and I really like it so I decided to make a partition and install 13.10 fully. When I booted from my USB with 13.10 and tried installing it using ...
2
votes
0answers
79 views

12.04 INFO message on black screen during boot, wifi works fine

During boot the purple screen vanishes, replaced by a black screen with one line of text [] INFO@wl_cfg80211_attach Registered CFG80211 phy for a few seconds then returns to normal. Boot works ...
2
votes
0answers
148 views

general error mounting filesystems

Sorry for posting, but I have searched the website (and a bit the internet) since yesterday for a solution to my problem, but nothing worked for me so far. I just hope I am not duplicating. Due to a ...
2
votes
0answers
25 views

Ubuntu 12.04 jumps straight to bios when booting

So I tried installing Ubuntu 12.04 LTS onto my new machine, which i've just built and it worked just fine. I then swapped the mainboard and cpu with another pair of these to see the difference in ...
2
votes
0answers
196 views

Installing Ubuntu on external hard drive (boots to black screen)

Hey everyone this is my first post here on the askUbuntu forums. I've been an avid Linux user for over a year now but by no means an expert. The problem I'm facing is one I have not been able to ...