Ubuntu :: 9.10 Won't Boot - How To Change GRUB Default Boot Choice
Jan 5, 2010
I tried to do my parents a favor by installing Ubuntu 9.10 alongside WinXP on their PC -- same configuration I have on my desktop at home. The install went fine, but since I made a poor buying decision on purchasing a MSI motherboard in the past, Ubuntu immediately crashes after boot (other MSI board users having the same issue, no help from MSI).
The computer tries to boot Ubuntu by default unless something else is selected from the boot menu. How do I change the boot preference from default (choice 0) to WinXP? I tried manually changing this (editing the grub.cfg file), but the file said not to edit, that it's generated by something else...How do I have WinXP load by default instead of the broken Ubuntu?
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Mar 3, 2010
Yesterday I installed on my laptop (an IBM Thinkpad T42) "virt manager" using the Synaptic Package Manager. I'm running Karmic.
As part of the installation, SPM had me reboot the computer (which is dual-booted with Windows XP, which I use less than 1% of the time). The new GRUB screen came up showing two new initial lines, the first 2 of the following 4 lines:Ubuntu,
Linux 2.6.31-19-generic-pae
Ubuntu, Linux 2.6.31-19-generic-pae (recovery mode)
Ubuntu, Linux 2.6.31-19-generic
Ubuntu, Linux 2.6.31-19-generic (recovery mode)
When I allow the default choice of the first line to prevail, Ubuntu boots up into a condition in which the Wireless Network Connection fails to open, and in which nothing I've been able to think of makes it open.
If, instead, I scroll down to the third line (which was the initial default choice line, i.e., the default choice line prior to the "virt manager" installation), Ubuntu boots up into a condition in which the Wireless Network Connection operates as usual, viz., immediately.
Scrolling down works, but it would be better, it seems to me, to return to the condition in which the current line 3 either becomes line 1 or else becomes the default bootup choice.
I've used SPM to uninstall "virt manager", but the 2 new intial lines in the GRUB options remain. I understand that with Karmic's version of GRUB, viz., GRUB-2, it is no longer possible to change the bootup menu choices easily.
how I can either eliminate the first 2 lines in my current GRUB screen, or make line 3 the default choice?
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Jul 6, 2010
How do I change the default OS on grub, and adding more time to make my choice?
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May 25, 2010
I'm extreemly new to Ubuntu and installed 10.04 onto a partition this morning. When I boot up my PC a menu called GRUB comes up and the list of OS's has ubuntu 1st. If I dont change my selection to vista it automatically boots into ubuntu. How can I change the order or default booting OS? I have seen other people talk about it but I'm not sure if it's up to date.
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Aug 9, 2010
I just got to finish installing ubuntu lastest version on my new netbook, im really exited about how powerful it can get. The thing is, I'm still keeping my old Windows 7 partition and data, and I want to access it faster, editing the grub options, to change the timer on it, and the default booting option.
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Jan 2, 2010
I just attempted to install ubuntu for the 4th and 5th time and have yet again had a fail. This time it actually completed the installation, which is a first. however upon reboot it takes me directly to Vista - I don't see grub or a o/s selection choice.
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Nov 29, 2010
i am trying to change the boot order on the GRUB menu so that the countdown automatically starts on an older kernel. From what i can see all the solutions on the web want me to edit the /boot/grub/menu.lst file. The problem is that i don't have one. Someone also mentioned that if i don't have a menu.lst file then i should look for the grub.conf file. I don't have on of those either. The closest thing in /boot/grub is grub.cfg but that looks nothing like the descriptions i have heard of /boot/grub/menu.lst file
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Aug 9, 2010
My comp came with Vista and then I installed Ubuntu, so it's dual boot. When I start up the computer, it eventually opens a screen with the options to boot Ubuntu, Vista and 3 other partitions. Ubuntu is at the top, Vista at the bottom, and it gives you five seconds to pick an OS or it automatically starts Ubuntu. This is very annoying because I almost always need Vista and I have a habit of pressing power and walking away and letting the computer load. Is there a way to have Vista be the default selection?
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Mar 4, 2011
I am dual booting Windows and Ubuntu 10.10. I installed StartUp-Manager so that I could easily make Windows my default OS upon Startup.I did a sudo apt-get update / sudo apt-get upgrade and now I have a new kernel. This moved Windows down in the list, so now MemTest86 is the default OS upon Startup.I want to make Windows the default always, not just until the next Kernel upgrade comes through.
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Aug 18, 2010
Dual Booting my laptop and unable to change the Boot Records on the drive. Not because I dont know how, but my primary OS will fail to boot(win7).
I have drive partitioned as follows...
sda1 = Win7 system (default install)
sda2 = Win7 Main (default install)
sda3 = swap
sda4 = Extension (I think thats what its called)
sda5 = / (ext4)
What I need is a boot cd or perferably Grub installed on a 256MB Thumb drive with the options to load the installed system from sda5.
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Dec 22, 2010
The first is I seem to have 3 GRUB installs. So whilst I update the one from my live session, the change does not appear in the boot up menu. I had installed 10.10 from a CD into a different partition (sda6), but that will not boot, so I have just deleted this and done another grub install and update. The kernel I am using has just been updated from 10.04 to 10.10 too, and it is this that I use and the Grub I have been working on (sda5).
[Code]...
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Mar 23, 2010
Right now I dual boot Linux and Doze 7. As normal, grub appoints Ubuntu to be the OS highlighted to boot from. Is there a way to edit the boot list so that my Windows7 will boot automatically. Reason being my wife tends to get a little grumpy because she does not know which to choose from and does not like Ubuntu,,,yet.
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Jan 6, 2010
How to remove OS's from the GRUB boot menu, and also, how can I change the default booter from Ubuntu to a different OS and edit timeout?
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Jan 15, 2010
I have recently upgraded my ubuntu image to 2.6.31.17.since I upgraded the start-up manager dosent work any more. I even tried changing it manually in the ectdefualtgrub.cfg and it says boot from entry 8 (which is my windows partition) but it still defaults to 0 on boot
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Feb 6, 2010
I have Ubuntu 9.10, does anyone know how to change the default boot screen (with the Ubuntu name and the light). Also, the sound that comes with this screen?
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May 7, 2010
I am now dual booting between Windows 7 and Ubuntu 10.04 When i turn on my computer it goes to a GNU Grub screen where i can choose an OS to boot, in 6 seconds it auto chooses default. How to i change the default from Ubuntu to Windows? I have tried to edit the grub.cfg file but it wont let me [URL] i need the .NET framework for a lot of my studies so i need to default into Windows
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Dec 22, 2010
Ive installed maverick meerkat on my mid 2009 mbp and now whenever i start the computer it automatically boots into ubuntu instead of my mac os 10. how do i go about changing the boot sequence without having to install refit and pressing the option key all the time.
p/s: i dont like using refit because it takes 30 seconds just for the option screen to appear on boot up. oh and yeah, go easy on me cause im a noobie
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Mar 1, 2011
I have Ubuntu 10.10 and Windows7 installed as dual-boot on my PC. When the machine starts up, Ubuntu is first in the list of boot options. After 10 seconds GRUB automatically boots that partition. I want to make the partition for Windows7 the default. How can I do that? I know some Unix, e.g. how to cd, gedit, etc..
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Jun 28, 2010
I'm trying to configure GRUB to boot XP preferentially- my wife insists. Having looked up the GRUB manual I see that I can set this using the default command.
The problem is, when I go to my grub command line default is not a recognized command. If I hit TAB for a list of commands, it isn't there.
I think I'm using some 0.9x version of GRUB, since the partitions etc seem to be numbered starting at 0, not 1.
While I'm at it, I was just going to play around and figure this out, but: the menu interface lists five versions of Ubuntu (all those weird kernel variations) then XP. So would XP be default 1 or default 5?
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Jan 27, 2011
I Just updated my 10.04 LTS system, which dual boots Windows XP. Prior to the update the default was to boot to XP, now it is to Memtest.
I tried to edit /etc/default/ grub and make the default be 14 instead of 12, which would be XP, but Ubuntu, (using gedit), refused to accept my change.
I don't have a problem scrolling around to pick XP, or the latest Linux kernel to boot, but my wife sure does. How can I make Ubuntu/Grub default to to XP ?
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Feb 12, 2010
I want to change my default boot OS from Ubuntu 9.10 which is now o Windows XP Pro SP3.How can I do that?Grub 2 is installed
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Feb 26, 2010
I loaded Kubuntu 9.1 and got a mess in the Grub 2 Boot Menu, which I can't correct.
I get extra choices in the Boot menu, and the first few, which are supposedly for Kubuntu Karmic Koala all put me in a shell, which ends in a black screen, then shows up a shell once I hit "enter". Then I just have a "intramfs" (?) prompt.
So I went into Grub2 to change it, and it refuses to do it. All I get is a screen full of error messages every time I try, with no change. Apparently it is looking to access drive sdb8, which is non-existent. I DO have a drive sda8, though.
So with all the wonderfulness of the indirect system to change Grub 2 how am I supposed to set it right? The old Grub worked fine, and just took simple changes to the menu.lst file.
Can't somebody write a program that lets Grub 2 be changed from within the program, rather than all this running around trying to find what file to change, and how to get the change to work?
Just to be clear, here are the errors as they show up when grub-update is flailing around:
"error: cannot open '/dev/sdb' while attempting to get disk size
error: cannot open '/dev/sdb' while attempting to get disk size
Generating grub.cfg
error: cannot open '/dev/sdb' while attempting to get disk size
[Code].....
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Sep 9, 2010
I want to remove the default boot time from grub, I created /boot/grub/menu.lst, but I'm unsure what I can put in here to remove the countdown.
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May 2, 2011
I think my Natty 64 bit install is missing a dependency for gk, even though it shows up install in Synaptic. I have also tried using Start up Manager and the changes I make there don't show up after restarting either. I just want to change the default boot to number 4, Windows. Any suggestions are welcome, but I have tried all the ones I've found on this forum so far and none have worked, including editing etc/grub/default and saving with sudo update-grub. That's when I get a "gk not found" error.
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Jul 2, 2011
I am currently doing a tri-boot (using refit) with Linux, Windows, and OS X. I was wondering if it was possible to change up the boot loader for Linux. I basically wanted grub to not pop-up and just boot the default version of Ubuntu. Also the boot loader comes up with the options to boot Windows and OS X and I was wondering if it would be possible to remove those from the list as well?
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Oct 2, 2010
A recent kernel upgrade broke nvidia and the network card. I figured out how to get the grub boot menu, but am having trouble figuring out how to set the default kernel to boot. I believe there used to be a file called /boot/grub/menu.lst that one could edit, but it doesn't appear to exist now.
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Jun 20, 2015
So far I've tried to add a number to 'GRUB_DEFAULT=', but it wouldn't want to boot in anything other than Debian or Windows, same with StartUp-Manager...
I currently have the liquorix kernels installed, but I can't get to use them as the standard Debian kernel is always picked. So is there any way to change this behaviour?
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Jan 13, 2011
How can I change default boot order in Ubuntu 10.04 from Ubuntu to Windows7? However, I already checked sudo gedit /etc/default/grub and modify the grub file to be GRUB_DEFAULT=4 and update the grup sudo update-grub I even install graph software to re order the book sudo startupmanager But still after restart the default choose for boot is Ubuntu ...
P.S: I am using Ubuntu 10.04 with grub version 1.98
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Oct 30, 2010
I currently have both Ubuntu 9.10 and Vista installed, and would like the Grub to boot to Windows as default selection. Unfortunately, I did not remember which OS I installed in the first place, and even could not find the menu.lst either.
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Mar 12, 2011
I have recently installed Unbuntu Desktop 10.10 on a partition alongside my normal Windows 7 x64 install. I expected to have only one OS boot menu which I would be able to edit via msconfig.exe in Windows. However I have two seperate sets of boot menus.The first one contains a bunch of different Ubuntu boot options and also contains an option to boot to Windows 7 (this is last in the list).
The first boot menu defaults to Ubuntu and is on a short timeout. I want to change this to default to Windows 7 and increase the timeout.Google tells me to edit /boot/grub/menu.lst and although I do have a grub folder I don't seem to have a file called menu.lst: Change default operating system at boot
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