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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Ubuntu 12.04 fails to boot from hard drive

I have Ubuntu 12.04 in a dual-boot system with Windows XP in another partition. I used the live CD to perform the install and create the partitions. It has been running for about 2 weeks but this ...
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84 views

Slow booting and System Settings crash on 12.10

I'm running Ubuntu 12.10 on a HP laptop (EliteBook 8440p, intel i5-mobile processor with integrated graphics). The system is installed on an external HDD connected via USB 2.0 and I'm booting from ...
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111 views

After Soundcard clock change, Ubuntu can't boot

I have Creative X-Fi sound card and I've done some mods on it. (Changing caps, OpAmps etc.) Yesterday, I changed crystal resonator on the sound card with a crystal oscillator. After this change, my ...
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126 views

'The disc drive / is not ready yet or not present'

Please help somebody. i borrowed my friends laptop whilst mine was being fixed. I have just switched it on as she asked me to look for something for her and I am receiving the above message. How can ...
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478 views

How do I solve 'Frequency out of Range' error?

My monitor outputs the error Frequency out of range. I had this issue a year or so ago and then it was solved by uncommenting the following line in /etc/default/grub: GRUB_GFXMODE=640x480 I ...
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330 views

Boot splash and TTY in low resolution

I noticed that when booting from a live USB stick, my boot screen and TTY are in the same resolution as my desktop environment (1366x768). But when I boot from my SSD with the very same system ...
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451 views

DVD with ubuntu 12.10 server iso wont boot

So I have done this before and I have Ubuntu and Fedora on separate computers but for whatever reason I can't get Ubuntu server to boot from a DVD. I downloaded both 12.10 and 12.04 LTS versions and ...
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229 views

When i start ubuntu it says it has an error missing tmp/

This is the third time, when I start Ubuntu, it says it has an error, that there is a missing tmp/ file and I'm getting worried because I lost my information last time.
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159 views

dual boot win7 ubuntu 12.04 problem

I'we tried to install Ubuntu 12.04 as my second OS. On my PC I have 3 partitions - C where is Win 7, D and I made about 100 GB free space on E( I'we shrinked that partition from 200 GB ) where I ...
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408 views

12.10 Won't Boot after Install

Did a 12.10 install to a raw, fresh out of the box, hard-drive. Installation completed without errors, but the laptop (a Dell Inspiron 1750) won't boot. I'm not talking about getting a purple screen; ...
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116 views

Boot problem: mounting failed

After boot password entry I can see the following on the screen: mounting /dev on /root/dev failed: No such file or directory. mounting /sys on /root/sys failed: No such file or directory. mounting ...
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517 views

Install grub2 to a specific partition from Live CD

For some reasons I want to install grub2 to my Ubuntu partition(it's sda5) instead of MBR(grub2 will be chainloaded by another loader). Unfortunately, I can't do this. When I type sudo ...
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309 views

Ubuntu 12.10 won't boot

I've just replaced the Release Preview of Windows 8 with Ubuntu 12.10, and it now fails to boot. Installing it went find, no errors were reported, that I seen anyway. The PC in question is an Asus Eee ...
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267 views

Ubuntu boot problem, PGP installed dual boot(Win 7 / Ubuntu12.10) machine

I've a machine on which PGP WDE was already installed. I've created a partition and installed LUbuntu12.10 on this new partition successfully. Later, after restarting the machine, Used easyBCD in ...
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210 views

Uninstalling Ubuntu without damaging the windows data

I'm new to Ubuntu, I have installed Ubuntu 12.10 on my computer via a USB stick in Windows XP, but after installation at the boot time, it automatically starts Ubuntu and I can't access my windows ...
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439 views

Purple screen on boot-up after install Ubuntu with Wubi

I have problem with Ubuntu 12.10. I got the purple screen and I don't know how to solve it. It shows only the purple screen, not the Ubuntu loading screen, not even so I can use the keyboard, just ...
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163 views

Have installed Ubuntu alongside Vista, cannot dual boot

I am new to Ubuntu and have some questions that I hope can be answered. I have installed Ubuntu 12.04 and am not able to choose booting between Vista and Ubuntu. I use Adobe InDesign CS5 installed on ...
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199 views

I can't boot the Ubuntu LiveUSB due to a device failure

I've tried to boot from my Ubuntu 12.10 LiveUSB, but it will always gives me this: Selected boot device has failed. Please reboot. I've disabled secure boot and I put my USB as the first boot ...
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115 views

root partition is flagged as bootable, but it isn't booting

I have two physical drives. I put a root partition on one of those drives during installation. I even told it to use that root partition for booting. When I look at my partition with gparted, it even ...
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68 views

ubuntu 10.04 fails to boot often

My laptop has ubuntu 10.04 and it fails to boot often. It will show me the boot loader menu and then it looks like it is loading, showing the ubuntu logo and the loading bar. Then the screen becomes ...
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158 views

Cant boot any OS on my machine after 12.10 Install Attempt

This is my first time using Ubuntu (have used Mac for a long time for software dev, so kinda familiar with Linux...). I must say that I am quite shocked at how difficult this has been, it seems like ...
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466 views

Selecting Ubuntu in Boot Menu sends me to Grub Menu

Sir, I've installed Ubuntu alongside Windows 7. When I selected Ubuntu (for first time) in the boot menu, it opened a GRUB 2 screen. I don't have any idea what GRUB is, and I was expecting that ...
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684 views

(initramfs) I am unable to find a medium containing live file system, how can I?

A failed Windows install has killed the (previously working) Ubuntu 11.10 installation. I have tried: A newly downloaded image burned to CD boot-repair-disk.iso A newly downloaded image burned to ...
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2k views

nodmraid option in Ubuntu 12.10 created booting problem

I created a LiveUSB of Ubuntu 12.10 and ran on my Sony VAIO laptop. My laptop was having installed Windows 7 but due some problem I corrupted system 32 folder and it doesn't load. So to back up all ...
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469 views

Ubuntu 12.10 won't boot after installing with windows installer

So here's the problem: After I install Ubuntu 12.10 with the Windows Installer and restart the computer, I get a message saying that the file \ubuntu\winboot\wubildr.mbr has a problem and that the ...
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101 views

How can i switch from dual boot mode to single boot mode in ubuntu 12.10

I updated my ubuntu 10.10 to 12.10 and it got partionated into two modes where the 12.10 always gets struked.i tried editing comands in grub menu to SINGLE SPLASH but it didn't work how can i switch ...
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905 views

Ubuntu boot hangs on “Attached scsi removable disk”

My Ubuntu hangs at boot with message "Attached scsi removable disk". When I boot with param acpi=off, system boots fine. I'm booting from harddrive, not from usb device. I managed to locate source of ...
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265 views

How do i fix boot error “The disk driver / is not ready yet or not present”?

I tried to upgrade my Ubuntu to 12.04 version, but after rebooting my computer i can't use it, because i got this error (and if i press S, i got the same error but with the /tmp folder) The disk ...
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134 views

Faster Boot time in upgrade

So I have this problem (I believe this is when it started) ever since I upgraded to 12.10 my computer has been booting a-lot slower than normal. (This is also when i upgraded my gnome to the next ...
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93 views

Ubuntu won't boot by itself

I can boot Ubuntu with seperate grub cd which has no problem finding its gpt partition. The machine however can't seem to find the bootable partition by itself. When the system reboots after ...
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827 views

System boots with command line, Ubuntu 12.04, i7-3770s, what can i do?

Hi I have a new PC and yesterday i've installed Ubuntu, everything worked fine, but today the system starts not with graphic menu but with command menu and want me to log in. When I press alt+ctrl+7 ...
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116 views

Change GRUB2 resolution to fit the display

Hi there i have dual booted Xubuntu 12.10 along side Win XP. GRUB doesnt appear on my LCD 17" LG display leaving a message that "Out of Range 46.4 KHz". I tried connecting to friend's display which ...
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407 views

After a small update, Ubuntu won't start

Yesterday, I had a small update on Ubuntu 12.10. After an update, I turned off my Dell Vostro 3450 machine. Today, I tried to turn it on. When it started, I chose Ubuntu in my GRUB window, then I saw ...
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Ubuntu 12.10 “No DEFAULT or UI configuration directive found!”

Every time I install Ubuntu 12.10, my computer can't find the boot partition and I always get this message: SYSLINUX 3.85 2010-02-20 CBIOS Copyright (c) 1994-2010 H. Peter Anvin et al No DEFAULT or ...
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91 views

How do I stop vboxdrv loading on boot of 12.10?

My boot time with VirtualBox installed takes far too long. The following is an excerpt from dmseg at the point where it loads: [ 59.540060] nf_conntrack version 0.5.0 (16384 buckets, 65536 max) [ ...
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108 views

Using Wubi to Install Over Windows

due to a broken laptop screen, I can't access BIOS to change boot priority (checked, impossible to load external screen from BIOS unless someone knows how to blindly tell me the keystrokes to change ...
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504 views

Ubuntu replaced BIOS boot list

I've just started with Ubuntu and reach total dead end. After installing Ubuntu 12.04 64bit on laptop Lenovo B580 (freeOS), I found out after few days that the BIOS boot list is lost. All available ...
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79 views

Ran Dr. Web, removed threats, lost boot function

I have a Gateway desktop PC with dual boot system, Ubuntu 12.04 LTS Precise Pangolin (upgraded via web) and Windows XP Pro. I ran Dr. Web CD to remove threats on the Windows side. I inadvertently ...
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375 views

Ubuntu can't detect Windows 7 and 8

I'm really confusing!! I downloaded Ubuntu 12.10 and then when I was installing, I set boot partition to sda1 (Dell Utility, not MBR), after installation, ubuntu just recognized a Windows 8 on sda2 ...
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91 views

Ubuntu VMware install fails to boot

I'm trying to install ubuntu on VMWare, bu this is the error I'm getting: I want to set up a virtual drive in VMware for Ubuntu . But it's giving me these errors, in this matrix code format. Is it ...
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279 views

Can't install Ubuntu with bootable pen drive

I was trying to install Ubuntu 64 bit 12.04 OS in my PC. But the boot screen got stuck every time. Right now am using windows 8 and 7 in another laptop. They are working fine, I have made a usb stick ...
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1k views

How to install a bootable UBUNTU 12.04/12.10 on OCZ PCI SSD Revodrive 80GB? (not X2 or X3)

Installation from an UBUNTU 12.04/12.10 liveCD works almost well if I do a clean, automatic full erase install without preconfiguring partitions, but only until the very last moment when I get an ...
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3k views

unable to locate package

i had windows xp installed on my pc,i downloaded ubuntu 12.04(LTS) and made a bootable pen drive using pendrivelinux software.........i had resized one of my existing partition using a software in ...
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976 views

Try (hd0,0): NTFS5: error: “prefix” is not set

I tried to install Ubuntu 12 on an IBM T42 Thinkpad (Windows XP). I ran WUBI and get this message every time after selecting Ubuntu upon restart. Try (hd0,0): NTFS5: error: "prefix" is not set. ...
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2k views

no boot menu or / mount point after installing Ubuntu 12.04

I've installed Ubuntu 12.04 using a Live CD to a new Gateway computer with Windows 7. I used "Install Alongside Windows" option. But on restart there was no boot menu. It only starts into Windows. I ...
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843 views

new 12.04 install grub hangs on first boot

On a new computer build, I installed 12.04 Desktop 64bit from a usb stick. When I rebooted, it hangs. It writes "Grub" on the upper left and then nothing else. The bios setup program has boot options ...
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608 views

Fails to boot after ubuntu 12.04 install

I'm experiencing a problem. When i install the OS and try to boot into it i get a red flashing screen. Although it works just fine if i launch the live DVD! I used the same DVD to install it on my HP ...
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53 views

Not booting on PC alongside Windows 8

I've installed Ubuntu 14.04 (32bit) alongside my Windows 8. After installing, when the system has been rebooted, grub didn't show and Windows began starting. I installed it several times, but nothing ...
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0answers
52 views

Computer is totally useless now

Okay, I tried turning on my other computer this morning, And got the following error message. Error no such device edddc179-e42e-4666-8ff3-00566a57908a Entering rescue node grub rescue > - is ...
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12 views

sometimes my ubuntu wont start up, just black screen, and nothing will open

and im supposed to have the option to boot windows or Ubuntu and I don't get that option, what is going on? any help would be greatly appreciated!!