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• No boot loader found - dual booting Windows 8 with Ubuntu 14.04

  - by Sriram

  I have been trying in vain to dual boot my computer with Windows 8 Pro (pre-installed) and Ubuntu 14.04 64-bit. I have been able to successfully install Ubuntu 14.04, but the option to start Ubuntu does not appear on startup. This is after having taken all steps as mentioned in Installing Ubuntu on a Pre-Installed Windows 8 (64-bit) System (UEFI Supported). I even tried the boot repair option and ended up with this error log. My questions are: How do I solve for No boot loaders found in /dev/...? Are there any other recommendations that will help me solve this? Other points that may be important: Booting into Ubuntu from a live USB shows all Ubuntu partitions on the hard drive.

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• PXE-boot for Ubuntu 10.04 Desktop version

  - by omkar

  My aim is to Install the Ubuntu 10.04 desktop version on a remote machine using PXE-BOOT. I'm trying to apply the steps given in PXE-BOOT for Ubuntu 9.10 . (I know this is for 9.10). In "Step 8. Setting Up Boot Files", it says cp -a /media/cdrom/install/netboot/* /tftpboot/ but I wasn't able to find the netboot folder in my Ubuntu 10.04 Desktop CD-Rom. Does that folder only exist in Ubuntu Server edition? Is it possible to do this in the Desktop edition?

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• Trying to boot from usb

  - by iron

  I have similar issues but none with the 12.04 build. Im trying this on a dell d610 laptop with a bad hard drive and was told i could just directly boot from the usb drive. Im using an 8g usb drive and i have tried using the uui tool and get this message. SYSLINUX 4.06 EDD 4.06-pre1 Copyright (c) 1994-2011 H.Peter Anvinet al ERROR: No configuration file found No DEFAULT or UI configuration directive found! Then i tried using unetbootin and got the bootup screen with only the default option and it would say auto boot with a 10 sec countdown and start over again. I do have the boot sequence for usb first.

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• Dual boot problem - Ubuntu windows 7

  - by Benoit Roberge

  I've been using Ubuntu for a while on my laptop. Recently, I decided to install Ubuntu on my main desktop PC (dual boot with windows 7). I downloaded the Ubuntu installer for windows and installed it (it's now showing Ubuntu in the installed software in my W7 control panel). However, when I tried to boot Ubuntu, after the boot loader and the login screen, my screen splitted in half. I was not able to see the icons and the launcher. I was also not able to do anything. I uninstalled Ubuntu and tried again twice. Same thing/results. Then, I created a partition in W7 and installed Ubuntu on it. Unfortunately, it's doing the same thing. I never saw something like this. Any idea??? Thanks for your help and support.

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• Error while trying to dual boot Ubuntu alongside Windows 8

  - by Brian

  I recently purchased a new Toshiba Ultrabook that comes pre-installed with Windows 8. I'm trying to dual boot 12.10 with it and I have run into a problem with the installer. When I get to the page to pick the partitions I get this: No drives are listed and the only thing in that device drop down is /dev/sda. If I click Install Now or +/-/change I get an "Ubuntu has stopped working" error message. I'm trying to install off a 12.10 64-bit USB drive in UEFI mode, and I have tried it with secure boot both enabled and disabled with the same results. The hard drive set up is as follows: 500 GB main drive windows recovery (primary) EFI boot section (primary) Windows' partion (280 GB I believe) (primary) unallocated space I created for Ubuntu partition (200ish GB) another Windows recovery partition (primary) 12 GB solid state drive all unallocated space Could it be a problem with the number of primary partitions? I think I read somewhere about a max of 4.

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• HP Pavilion dv7 dual boot with ubuntu and original win7 issues

  - by Neasy11

  I just bought a hp dv7 and I want to dual boot it with the win7 it came with and ubuntu 12.04.1. I shrunk the C partition to make room for the ubuntu one then downloaded an burnt the iso. Next I booted from the cd and followed the simple instructions until I got to the page of the install to choose the partition where all choices were greyed out and the table was completely blank and the drop down only had one choice. After researching this I found that a main problem might be that I can only have 4 primary partitions and the computer was shipped with the 4 already (system,C,recovery,hp tools). I guess my question is what is the best way to go about completing this dual boot? I have read to delete the hp tools partition or combine it with another, I just want a step by step of how to dual boot this computer, I have done plenty of computers in the past but never ran into these issues that come with an HP (should have got a dell lol)!

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• Problem in booting Windows Vista after repairing using a boot repair disk

  - by Pubudu

  Been using Vista and I recently installed Ubuntu 11 in a separate hard disk(in BIOS, this hard disk was set for the 'Boot from' option)..Apart from the partitions used for Ubuntu, there are 2 more partitions(NTFS) in that hard disk..Then I installed Windows 7 on one of those partitions (just to see which Windows operating system I'd like to keep on using, along with Ubuntu)..But after installing Windows 7, the OS selection menu didn't appear anymore and had to fix it using the Boot-Repair-Disk... It kinda worked.. Now the OS selection menu is displayed.. But whenever I select Vista, it boots Windows 7...any thoughts on how to fix this? here's the link to the log generated by boot repair http://paste.debian.net/202691 I'm new to Ubuntu btw..

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• Boot time seems unusually long on MSI GX660R (bootchart included)

  - by Sman789

  After upgrading (clean install) to Ubuntu 12.04, the speed issue when running programs has reduced on my MSI GX660R laptop. However, the boot time is still much longer (over a minute, even after BIOS) than on the many less powerful laptops I have encountered running the same OS, and I was wondering if anyone could help me improve it. I use the FGLRX driver, if that makes any difference. I have uploaded a boot chart, it can be found here http://imageshack.us/photo/my-images/4/bootchartl.png/ As you can see, the boot time is over a minute even after BIOS. A 'designed for Vista' laptop from ages ago which I installed Ubuntu on boots in around thirty seconds, so I think it's a bit strange. Output of dmesg: http://paste.ubuntu.com/1081359/ Output of /var/log/kern.log : http://paste.ubuntu.com/1081363/ Output of /var/log/syslog : http://paste.ubuntu.com/1081365/

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• Windows 7/ 12.04 Dual Boot Mess

  - by Ben

  I am certainly new to ubuntu (linux in general)... I added ubuntu 12.04 as a dual boot to a brand new desktop which had win 7 pre-installed. Both work well Then I tried to change the order of the boot menu to make Ubuntu first and Win7 second... I did this from the windows side (it seems that my setup is relying on windows bootloader, which I don't think I need to change) using the built-in startup manager (I think that's what windows calls it- it's in the control panel). I set Ubuntu as first (default if no user input). then... I ACCIDENTALLY ("hmmm...I wonder what this button does?") set the menu timeout to "0" Now, I cannot change the menu timeout (because I cannot get into windows) and without doing so, I cannot select windows as the OS I would like to boot(I cannot get into windows). Any Ideas?

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• Reboot only shuts down and doesn't actually boot again

  - by PherricOxide

  I'm running a fresh install of Ubuntu 12.04 Server on an abmx rack mount server. When I attempt to reboot with sudo shutdown -r now, the machine just shuts down and doesn't come back up without me manually pressing the power button. The output of last -x, runlevel (to lvl 2) 3.2.0-29-generic Wed Oct 31 14:32 - 14:37 (00:05) reboot system boot 3.2.0-29-generic Wed Oct 31 14:32 - 14:37 (00:05) shutdown system down 3.2.0-29-generic Wed Oct 31 14:30 - 14:32 (00:02) runlevel (to lvl 6) 3.2.0-29-generic Wed Oct 31 14:30 - 14:30 (00:00) This appears to show that the system rebooted, but it went dark (no power lights, BIOS, etc) and I had to go press the power button in order to make it boot back up. The machine does have some sort of Intel Boot Agent that usually appears before the BIOS, I'm wondering if it could be causing this. I'm not sure what information is useful for debugging this, but I put the output of lshw in http://pastebin.com/mBy72kTQ

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• Blank screen when "boot from USB"

  - by Nathan

  OK so, here is what I have done: I downloaded the iso "ubuntu-12.04-desktop-amd64" I used "Universal-USB-Installer-1.9.0.0" to make a bootable USB I restart PC and change the boot option to USB HDD I get the menu to: Boot from USB Install to Hard drive Help etc When I click Boot from USB or Install to hard drive, loads of text flies past and then I get a blank screen and I cant see anything? What can I do so I can see the installation screen? Im using a dual monitor setup from my GFX card and my main display is on my HDMI port to my TV.

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• dual boot, Sony Viao, all in one portable desktop, not working and crashes

  - by user287513

  I am a fan of Ubuntu but ever since I bought my new computers, both Sony Vaio, I can't get them running together with windows 8.1. When I try wubi, it doesn't show the install box, but some other information box. If I remove wubi from the iso and run it as admin on my desktop, it runs and installs but after rebooting, grub never comes up and it gives the error screen.. On my laptop, I had to make a usb install and partition everything myself and that worked for my laptop, for a little while. Windows boot loader would override and grub wouldn't come up no more, unless I try to boot from usb, with no usb in, and after it reboots because there is no usb, now grub opens, but doesn't cont. That is what happens with my Sony 2 in 1 laptop. My all in one portable just wont boot it period. Bios is the problem but I disabled everything that was necessary. Help

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• Unable to boot OS X after installing Ubuntu 12.04

  - by A G

  I installed Ubuntu 12.04 on my MB (aluminium late 2008). After installing Ubuntu I am unable to boot into OS X. Sequence of events: Install reFit on OS X Install Ubuntu on a partitioned drive. I also installed grub. Now when I boot my MB only the grub menu shows up. When I select OS X under grub I see a black screen for a while and the machine restarts (when selecting OS X 64 bit) or it hangs indefinitely(OS X 32 bit). Could you please help? Link to output of boot info script. http://paste.ubuntu.com/1028017/

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• Ubuntu 12.10 will not boot!! please help

  - by Ishmael

  Okay ive been at this for about 6 hours now, linux has never given me problems before, im installing from an isodvd going from window7 to ubuntu12.10, the installation works fine, everything loads perfect with no problems and it asks me to restart when the installation is comeplete. After the computer shuts down and i remove the livecd as it tried to boot up i get an Error: no boot disk has been detected or the disk has failed. Ive tried updating grub from the livecd because it is the only way i can boot to anything atm, nothing has worked so far. Has anyone else had this problem??

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• My laptop doesn't always boot to login

  - by GUI Junkie

  I have an recurring problem. Every once in a while, no pattern, the laptop freezes during boot. Sometimes at a black screen, sometimes a black screen with a not blinking cursor... The solution is to power down the laptop, cross my fingers and boot again. Sometimes it takes four or five reboots, but in the end I always get the system up and running. What bugs me is the fact that the boot is not 'stable' in a sense that apparently it doesn't always do exactly the same thing. I'm still using 10.10. The question is whether there is anything that can be done to make the system stable. (Does 11.04 have the same issue?) Edit: Today the same thing happened. First a black screen with a non blinking cursor. Second a black screen. Third login screen.

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• Ubuntu 12.04 UEFI Partition Boot Fail

  - by John

  I've built a new system, and I want to take full advantage of UEFI and Ubuntu. So I install Ubuntu, and try to boot from it, and my BIOS (Asus EZ Mode / Advanced Mode) simply says "No bootable medium found. Insert Bootable Medium and press any key to try again." So I've reinstalled several times, without any failures, Ubuntu IS installed, and I've tried Ubuntu Boot Repair (link below) and nothing I do seems to work. My Build: Asus f1a75m pro AMD A8 APU Samsung 1TB HDD 8GB G-Skill Ripjaws X (1866) Partitions and Ubuntu Boot Repair here

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• Trying to boot from USB on Asus q200e-bhi3t45 just brings me to grub menu

  - by Krash Kharma

  It's been a struggle every time I've tried to change my OS on this machine. I honestly don't even know how it works whenever it does. I've somehow managed to get Windows 7, Windows 8, Mint 14, Ubuntu 12.04, and 12.10 to work at random times but it's always after struggling with it and googling for random chance fixes and suddenly something clicks and it loads from usb, but 99% of the time, every time I try to boot from USB to install a distro (in this case, I'm trying to get ubuntu-12.04.2-desktop-amd64.iso to work) my pc just comes up with a grub menu ("Minimal bash-like blahblahblah - grub ") I don't know why it works when it works. Right now I've tried everything from with/without Fast Boot in BIOS, with/without CSM, with/without secure boot, to changing BOOTx64.EFI to bootx64.efi to downloading a new bootx64.efi to copying it to every folder on the usb.... It makes no sense to me. Sorry if this has been asked before but I can't find anything

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• Ubuntu frozen on boot screen; boot repair fails due to X11 and gtk

  - by anandsun

  I have a year-old HP Pavilion dv6 with Intel i7 processors and graphics card. I had Windows 7 but last week I dual booted Ubuntu. It was working fine until today. I did the following things: Updated Gnome and installed Gnome tweak tool Uninstalled Chromium browser Uninstalled Google Chrome Moved jdk and jre folders from ~/ to /bin using sudo Moved Adobe folder from ~/ to /bin using sudo Then I restarted. Ubuntu froze for half an hour on the purple boot screen. Something I did must have broken it. So, I hit Ctrl + Alt + F1 and managed to log in through the command line. From there, I ran sudo apt-get update and sudo apt-get upgrade. I also updated grub. I also installed boot-repair. However, I cannot run boot-repair, because I keep getting the following errors: Autolaunch error: X11 initialization failed RuntimeError: Gtk couldn't be initialized.

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• Installing multi-boot Linux system

  - by user94924

  I have a dual (XP/Linux) boot Compaq Presario S4500UK with a couple of spare partitions on the boot drive which I want to use for testing different Linux distros/configs before installing them on "live" machines. I tried this with Oneiric which worked fine until I came to uninstalling the test system. Fortunately Oneiric uses Grub2 and so redirecting the bootloader to work from the original Linux partition was a piece of cake - if a bit annoying. I now need to do some tests on Hardy and DSL (Damned Small Linux), neither of which use Grub2. Question: Is it possible to install a test operating system without adding/replacing the bootloader (ie so I can still use Grub2 from the original partition with its nice interface and recovery facilities)? Is there another way of uninstalling/decommisioning a test OS which doesn't trash the boot loader? (The only way I know to do this is by deleting/reformatting the partition which takes with it the bootloader which is in that partition). Any help would be much appreciated. Tks jg1

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• UbuntuStudio 12.04 does not boot after install - no "intrd" image

  - by user72705

  After installing Ubuntu Studio 12.04 from DVD onto the fourth hard disk, it fails to boot, even when explicitly choosing the fourth hard disk as the boot device. I have SUSE 11.2 on the first 2 SCSI disks (which form a RAID) and Studio64 on the 1st IDE disk (that is, the third disk). Looking at the /boot directory on the Ubuntu partition, I see there is no initrd image. Editing the GRUB configuration file to include (hd3,1)/vmlinuz and of course (hd3,1)/initrd should fix the problem. But still GRUB gives a file not found error. This appears to me that, no mkintrd during the booting process (checked with LiveCD) runs like in OpenSUSE. How do I create the initrd to make Ubuntu bootable.

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• New laptop, Windows 8.1, attempting dual install. Ubuntu installer doesn't 'see' existing OS

  - by Flaminica

  Though I've used Ubuntu for a few years, I'm new to installation. Previously I had help and now I'm doing it alone (moved across the world). Windows 8.1 came preinstalled on my new laptop (Toshiba Satellite C70-A-17C - Core i5, 8 GB RAM, 750 GB HDD). I have already followed a few steps I found online to prepare for a dual install (with Ubuntu 14.04). I backed up Windows, created a bootable Ubuntu USB and DVD (just in case one didn't work), turned off fast boot and secure boot, and shrunk C:/. The new unallocated drive portion is 292.97 GB. After shrinking C:/, I restarted Windows a couple of times to make sure everything was working fine (it is). I then attempted to install with the Ubuntu live USB. However, the Ubuntu installer doesn't see that Windows 8.1 is already installed. I don't understand, and don't want to mess with Ubuntu partitioning when I don't know where the partitions will be created. My concern is that, if I go further with the installation process, Windows might be overwritten or compromised in some way. I then tried to reboot using the Ubuntu live DVD, thinking I might get a different result. However, I can't figure out how to make the laptop boot from the CD drive. I went into the BIOS and found no option there, either. Any help is very appreciated! EDIT: Looks like I can't link directly to each photo. Here is my album of screenshots: http://imgur.com/a/zChCo Here you can see that there's no option to boot from CD drive, only USB. Everything looks okay so far. I don't understand this. Ubuntu has not yet been installed. Unmounting partitions? (I chose 'no'.) Even though the laptop came pre-installed with Windows 8.1, the Ubuntu USB installer can't see it. I chose 'something else'. I need to pick and format partitions. I scrolled down and took a second shot to include all information. Completely lost and cancelled installation.

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• Using fix-boot but still stuck

  - by user92498

  I have a laptop I used to use for college that was Ubuntu 10.4 /Vista / Win7. I pulled it out and proceeded to install 12.04 advanced partitioning. It was sda1 ubuntu / swap / vista / and sda5 win7. I deleted the ubuntu, swap and vista, leaving 7 alone. I'm using it now but can't get to win7. I used fix-boot several times using variations on the advanced menus. So I finally purged grub and forced grup-pc in the advanced setting of fix-boot. Here is a link to the report; http://paste.ubuntu.com/1225051/ I'm sure there is a way to edit the grub to get 7 to show as a boot choice and hope someone can point it out for me. Thanks

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• Dual Boot not recognizing new hard drive

  - by Grove

  I am a complete Linux newb..which will become obvious shortly. The story: I wanted to dual boot with Ubuntu. I already had windows on 1 hard drive (320gb), and I wanted Ubuntu on a 2nd hard drive (2tb). I setup the partitions using the "Something else" option - I left the first hard drive alone, and put a swap and a ext4 partition on the 2nd hard drive. When it asked me where the bootable device was, I put the first hard drive. The problem: Now that Ubuntu is installed and grub lets me pick which os to boot to, I boot to ubuntu JUST FINE. BUT when I go to the home folder and look at devices, the only drive showing is the 320 gb/old hard drive that windows was installed on. I can not see the 2 TB hard drive anywhere. This is strange because I setup the Ubuntu partition to be the 2 TB hard drive and I thought I installed ubunto on that partition. Thank you for your time and patience :)

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• Ubuntu not selectable in boot menu

  - by user113630

  Im trying to dual boot windows 7 and Ubuntu 12.10. i created a partition in windows 7, booted the Ubuntu cd, installed Ubuntu and created a swap space(following all instructions detailed in various video tutorials). after restarting and taking out the disk my computer boots directly into windows. also, in the boot menu where you select what os to boot, Ubuntu doesn't show up, just windows 7. i didn't want to screw around with any settings and figured the community could figure out my problem faster than i could :p any help is greatly appreciated!

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• Boot prompt hyphens

  - by purjuntu

  Booting an Ubuntu DVD, pressing F6 and then ESC presents the boot prompt with the default kernel options, with the possibility of editing and adding extra options. Something like: kernel /casper/vmlinuz boot=casper quiet splash -- Questions: What's the meaning of the two hyphens? When adding an extra option (such as "toram" or "vga=791"), is there any difference between adding it BEFORE or AFTER the hyphens? When typing commands in Bash, two hyphens in a row means "options end here; anything that follows should be treated as an argument, even if it starts with a hyphen". But the hyphens must have another meaning at the boot prompt, as "toram" or "vga=791" really are options.

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