Ubuntu Installation :: Computer Reboots When Windows Selected In Grub?
Feb 15, 2010
Just installed Ubuntu 9.10 and had windows 7 ultimate installed prior to installing Ubuntu. When I installed Ubuntu I partitioned off a section of the HDD that windows is installed on and installed to that new partition. Ubuntu boots and works great but ever since installed if I select windows to boot it just reboot PC all together. Tried making windows default and it booted windows once then went back to normal. I tried to follow suggestions on different post about running "sudo grub" but it is not a command according to my terminal.
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Mar 5, 2010
I recently installed Ubuntu, my first experience with Linux, but when I try to boot a previously installed Windows 7 from grub, it reboots the system back to the grub screen. I can boot to Ubuntu.
I've been searching for and working on possible solutions for several days to no avail. There are some similar posts on various forums but few quite like mine, and solutions I've read haven't solved my problem. I tried booting to the windows 7 repair disk and selecting the repair start up option, but the message tells me no problems were found.
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Feb 20, 2011
I've installed Ubuntu inside Windows 7 with the Ubuntu Windows installer. I have previously had problems with booting Ubuntu, but it always got to GRUB at least. Now it shows the Windows bootloader, I select Ubuntu and the computer just reboots.
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Jun 12, 2011
This is a strange one. Ever since upgrading to 11.04 64-bit, I've had this problem and I've just been dealing with it...
After the machine posts, grub presents itself. Before upgrading, it would timeout after 5 seconds and boot the first/default entry. Since the upgrade, it no longer automatically boots the first entry. In addition, it reboots the computer after selecting the first entry. After it comes back up to grub, you select the first option and this time it boots.
I'm pulling my hair out on this one. I'm by no means a Linux expert, but I've been running Ubuntu for a few years now and this is one of the first issues that I've been unable to work through.
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Feb 25, 2011
I just installed Xubuntu 10.10. It indicated 202 updates, so I started to update and next thing I notice is that the computer is frozen on probably the screensaver. I reboot the computer by pressing the reset-button (ctl-alt-del doesn't work) and after reboot it flashes the update-tool processing a kernel-update. Then it flashes back to login screen and hangs. Another reboot I only get to login screen and it hangs. When booting into recovery mode, it hangs on
EXT4-fs (dm-0): mounted filesystem with ordered data mode. Opts: (null)
Begin: Running /scripts/init-bottom ... done.
done.
Begin: Running /scripts/init-bottom ... done
(blinking cursor)
how to go on and get my system running?
HW: 2GHz, 80 GB disk, 1 GB RAM
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Apr 17, 2009
I boot linux from a usb drive so I can carry my distro wherever I go - I've been doing it for quite some time now and it's always worked wonderfully. Problem: This morning my little cousin unplugged the computer WHILE I was booting into linux. Power loss has happened before, but with no ill effects. This time however, it's decided it won't boot. The screen clears, and just as GRUB is about to load, it freezes and the computer reboots over and over.
I booted to a LiveCD of Ubuntu to try and fsck the drive, but it won't mount the volume. I've worked with this install so long, and have customized it so much I **really** don't want to do a reinstall.. What can I do?
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Apr 19, 2011
I've tried everything to solve this, been browsing the forums for the last 2 days and no solution has worked. So I got a new netbook (Samsung n150 dated 03/2011) it had ubuntu 10.10 installed but I already use ubuntu on my macbook so I'm trying out knoppix, I booted it from usb and ran the HD installer, it gets through all that and then installs grub ok, but when I reboot I get "Error 17: Cannot mount selected partition"
Things I already tried: Grub setup (grub, root (hd0,1), setup (hd0), quit) and every variation. *I tried removing the usb and setting the HDD back to first boot in the bios and then changing the menu.lst accordingly, still I get error 17. Below is the information just after boot with the usb still plugged in and set as first boot in bios.
[Code]...
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Mar 7, 2011
Plan to use GRUB for multiple booting to select the OS but only with luck have I got it partially to work. Windows 98 and Puppy 431 O.K on first HDD but Puppy 421 on second HDD /dev/sdb1 stops at error 21.
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Aug 2, 2010
I installed Ubuntu 10.04 LTS x64 on my laptop about a month back and I have been very, very pleased with its maturity and stability. However, I have seem to have hit a snag with my ventures into desktop Linux: I also dual-boot Windows 7 Professional x64, and it seems that every time I run Ubuntu 10.04, Windows 7 will immediately bluescreen on boot, reboot, and then be fine. I'm not sure what kind of harm this could be doing to the system, but it strikes me as very odd, and it's something I would like to resolve.
I have suspected this may have to do with mounting NTFS drives under Ubuntu, because my Windows OS and all of my media is stored on NTFS partitions. Needless to say, I would really rather not change this, because NTFS seems to be one of the few filesystems with large-file-support that will run with ease under Windows and Linux.
I have tried removing my main Windows 7 OS partition from the fstab in Ubuntu to see if that made any difference, but the problem persists. Could a secondary NTFS media partition mounted in Ubuntu really cause these sort of issues?
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Jun 4, 2010
I dualboot Ubuntu and Fedora in one hard drive. Below are the scenario.
First, installed Ubuntu 10.4 on the entire disk (40GiB of size). Then, shrink the Ubuntu installation to equal size to free up space for fedora.
Second, installed Fedora 13 using the option "Use free space on selected drives and create default layout". After the successful installation fdisk -l shows,
Code:
# fdisk -l
Disk /dev/sda: 40.0 GB, 40020664320 bytes
255 heads, 63 sectors/track, 4865 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
[Code].....
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Jan 9, 2011
I have a Toshiba F30-114 laptop on which I want to have a dual boot Windows XP/xubuntu configuration.The problem is that when I install Xubuntu as dual boot, Windows XP gives a blue screen of death for a second and then reboots in the begining of the windows boot sequence.I can choose Safe Mode, Safe Mode With Networking, Safe Mode With Command Prompt, Boot With Last Good Configuration, and Start Windows Normally. But nomatter which one I choose it will result in a bsod following a reboot.I tried to remove the Xubuntu partition, which somehow also resulted in removing the XP installation. I then put the harddrive in an external case and used EASEUS Partition Recovery 5.0.1 on another machine which got back the Windows partition. Now Windows works again without any bsod.
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Oct 25, 2010
A weird problem arose a few months ago in my box and has plagued me ever since: the PC immediately reboots whenever I try to suspend or hibernate Ubuntu. It's actually instantaneous, as if I pushed the reset button.Way more days into googling than I wished I had to, I have tried just about every solution related to suspension/hibernation problems,but none really applies to the exact situation I'm experiencing, since most are about being unable to resume after suspending/hibernating, and in my case it seems the system is instantly killed and therefore doesn't even start said operation.
After rebooting, applications behave exactly as when the PC is hard-reset, which I think is an indication that running processes aren't being properly terminated and the system is just going down abruptly (if the less-than-a-second it takes to go down and restart the boot sequence isn't obvious enough).Before you ask:
everything was working fine before;
upgraded to Maverick but the problem remained;
every suspend/hibernate method that I know of (GUI, CLI) does the same;
can't easily test in another OS since I only have Ubuntu installed (no dual-boot or the like);swap partition is larger than RAM; /etc/initramfs-tools/conf.d/resume is pointing to the correct swap UUID;
tried several SUSPEND_METHODS and video-related options in /etc/default/acpi-support;
enabling/disabling the acpid and acpi_support services in BUM (Boot-Up Manager) has no effect;
enabling/disabling BIOS STR (Suspend-To-RAM)-related options has no effect;
unsetting NvAGP or setting it to 1 in /etc/X11/xorg.conf has no effect;
adding/removing the agpgart and intel_agp modules to /etc/modprobe.d/blacklist.conf has no effect;
installing the hibernate package has no effect;
not sure what I'd be looking for, but nothing strikes me as relevant in /var/log/messages.
This is really strange. May it be a hardware failure of some sort? What else can I try to work this one out or at the very least understand what's happening?
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Aug 12, 2015
I just converted a movie from mp4 to avi format and was away from the computer during the conversion. When I came back, the file had been properly converted but the computer was at the login prompt. I assume that it rebooted when the conversion was complete. Is this normal behavior? I don't see any avconv 'switches' to prevent that from happening.
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Feb 15, 2011
I downloaded and installed Ubuntu desktop on 9/26/10. Not sure what version that would be but that is my download date. Running a dual boot XP 32bit/Ubuntu 64bitNo problems at all so far and I've been keeping up with updates manager. Two days ago I went start my machine and chose Ubuntu from the OS selection screen as usual. The only thing that shows up on the next screen (grub menu I believe?) is "HD (0,0) NTFS5" for about 1.5 sec and then reboots.
Windows boots and runs fine. They are both installed on the same physical drive. Not sure what else to search for or include for information. I've tried searching the forums but not sure what nomenclature to use.Trying to avoid reinstalling. p.s. I knew I was enjoying Ubuntu but didn't realize how much until I was forced back to using just XP.
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Sep 5, 2010
I am using Ubuntu Studio 10.04 LTS and I am experiencing the following problem: my computer loses its Internet connection and appears to require several reboots to re-establish an Internet connection.
As suggested on a similar post relating to wireless connection loss, I supply the output of sudo lshw -C network
*-network
description: Ethernet interface
product: NetLink BCM5789 Gigabit Ethernet PCI Express
vendor: Broadcom Corporation
[Code].....
Note that I have REMOVED my wireless card in case there was some kind of hardware conflict or failure. I am using a wired connection through a Linksys WRT54G router that is supplying an Internet connection to another computer and an IP phone without any problem.
When I run the command network-admin (or select System > Administration > Network) I can see only 3 tabs (General, DNS and Hosts) It seems that the Connections tab has disappeared (and I believe this happened when I upgraded from Ubuntu 9/Karmic Koala). If I click Help it shows me that there should be 4 tabs, not 3.
The connection dropping began prior to my decision to upgrade. In fact it took several attempts to complete the upgrade. Should I attempt to re-install the upgrade? I am not sure how to do it without losing my connection. When I visit System > Administration > Update Manager, I am informed that my system is up to date.
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Nov 11, 2010
I've got a computer i'm trying to VNC to.
The problem is that when the computer starts up/reboots it doesn't "Unlock the system keyring"(I think that's what it said).
When I try and attempt to connect to the computer it asks for the VNC password(as per normal) but fails to connect after that.
The reason is that the Ubuntu computer prompts for the user's password to unlock the system(locally).
What I want is to be able to turn on the computer without having to worry about entering the password. I've had it running fine on 8.04 yet the newer version seems to be annoying :s
The system is set to automatically login on startup too.
I've tried this: "delete the keyring folder under /home/XXXX/.gnome2" then setup remote desktop again. But that hasn't worked either. I still have to enter the password to a keyring
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May 14, 2010
when I select Vista/Longhorn from my grub list, it shows a black screen, then shows GRUB again. I recently had to reset my menu.lst, so I'm not sure if the settings for the windows option are correct. This is my /boot/grub/menu.lst:
Code:
# menu.lst - See: grub(8), info grub, update-grub(8)
# grub-install(8), grub-floppy(8),
# grub-md5-crypt, /usr/share/doc/grub
[code]....
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May 17, 2010
I went through so many post but I haven't found the proper answer yet hope you have an Idea1. Grub2 saves only Linux OS as last selected no Windows OS2.It is possible to boot into a cdrom (drive)?
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Jan 9, 2011
Last night I rebooted my desktop and it failed as in it just kept resetting after the bios post...so I changed my boot drive which gave me a "no bootable drive found" error(this confirms hdd fault) thee I booted a live cd and checked my partitions
They are as follows
sda1 - boot(ntfs)
sda2 - windows(ntfs)
sda3 - swap
sda4 - ubuntu(ext4)
I tried to mount sda4 to reinstall grub but it failed...says the partition is corrupt sda2 has no problems and I made a backup for it now the problem is how do I perform a disk check on sda4 and how do I get my system up and running again? I dont want to reinstall!
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Apr 19, 2011
I've tried everything to solve this, been browsing the forums for the last 2 days and no solution has worked.So I got a new netbook (Samsung n150 dated 03/2011) it had ubuntu 10.10 installed but I already use ubuntu on my macbookso I'm trying out knoppix, I booted it from usb and ran the HD installer, it gets through all that and then installs grub ok, but when I reboot I get "Error 17: Cannot mount selected partition"Things I already tried:*Grub setup (grub, root (hd0,1), setup (hd0), quit) and every variation.*I tried removing the usb and setting the HDD back to first boot in the bios andthen changing the menu.lst accordingly, still I get error 17.Below is the information just after boot with the usb still plugged in and set as first boot in bios.fdisk -l
Code:
Disk /dev/sda: 250.1 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders
[code]....
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Jan 9, 2010
if it's possible to see or retrieve from the system which menu option from the grub boot menu was selected afterall.
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Feb 17, 2011
I installed Ubuntu 10.10 on my computer from a USB. I did not use wubi to install ubuntu. The computer already had Windows 7 installed. According to gparted, Windows 7 is installed in sda1, linux swap space is in sda2. Then sda3 is shown as a drop down menu containing sda5, where linux is installed. A picture to show this is attached . sda4 is a recovery partition that came with the computer.
The problem is that Windows 7 sometimes boots, and sometimes it does not boot. Most of the times it does not. Ubuntu boots perfectly. The process to boot is the usual, turning on the computer, wait for grub to load. If I pick Windows, it goes to the splash screen (which is by the way not the usual windows 7 splash screen, it resembles more the vista splash screen, picture attached. I do not know the reason, and I have no idea if it has anything to do with the problem) About 80% of the time, it simply reboots a few seconds after the windows splash screen is shown. The reboot takes me back to the usual HP splash screen, then grub again. The other 20% of the time, it boots normally and works perfectly well.
Right after I installed ubuntu Windows was shown in grub as installed at sdb1. I updated grub and now it is shown as sda1. I already tried some grub custom entries for loading Windows differently, but they all present the same problem. Please do not discard a custom entry as a solution, as the source I used for these custom entries was not entirely trustable.
I also tried popping in the windows installation disk and trying a system repair, but apparently no errors were found.
Reinstalling grub using Ubuntu live cd (booted from a USB) did not work either...
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Dec 15, 2010
i ran into this issue only because i wanted to learn. I was reading the book, linux troubleshooting and decided to give it a try.
1) I went to /boot/ and moved vmlinuz (kernel file) to my home directory. (/root/)
2) I booted, it didnt boot (as expected) and now the troubleshooting part begins.
3) i entered to grub config mode using c
4) When i press root (hd0, (tab) it gave me 2 partitions. hd0 which is my boot partition hd1 which is my '/' partition. Please keep in mind its LVM and not a physical partition
5) If i do this, root (hd0,1), and press boot, it gives the following error Error 17: Cannot mount selected partition
During my research i found that, LVM is not supported by grub, so kindly confirm me this ? is this the reason i am not able to access my root partition ? i am doing this on vmware so no issues, but just for the sake of learning, can someone tell me some way of restoring it without using any rescure disk (livecd, liveusb etc) ?
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May 9, 2010
Whenever I select windows 7 from grub it will boot up to the splash screen and then restart.I do NOT have a repair cd.
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May 14, 2011
I just installed 5.6 using the x86_64 netinstall - all appeared to go well, albeit a little slowly. At the end of the install i rebooted the machine but CentOS won't load. If I select the CentOS option from grub (only other option is 'other') the machine instantly reboots.
Only options selected for install where 'server' and 'server gui'.
Editing the CentOS options shows the following but I've no idea whether this is correct or not (assume it is):
root (hd1,0)
kernel /vmlinuz-2.6.18-238.e15 ro root=/dev/VolGroup00/LogVol00 rhgb initrd /initrd-2.6.18-238.e15.img
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Apr 22, 2010
installed windows 7..then tried restoring grub using live cd....mounted partition somewhere else....then installed ubuntu again where it was installed previously and now grub is not detecting windows 7 but i am able use my windows files
used sudo update-grub2.
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Jul 18, 2010
i am new to linux and i nid a bash script to Delete selected backup files and also restore selected backup file to a user define directory.
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Oct 3, 2009
I have a multi-user machine with several network interfaces (Ethernet, if that matters). I wish to grant selected users, or groups, full access to selected network interfaces (including ability to adjust IP address and to bind to low ports, but *only* on those interfaces). It is important to me that an user/group does not such full control over other interfaces. Granting partial, or temporary, root permissions is OK; it's a friendly environment.How do I go about it?System: Linux 2.6.recent; usual Debian setup (can be adjusted if needed).
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May 24, 2010
I do not know what to do, i cannot load windows partition. it just loads grub again. this must have been something that happened when i upgraded to the 10.04 or w/e. can someoen help me out with what i can do to stop this or fix it. maybe i can reinstall but i want to know what will work first, i do not have a lot of time to fool with my computer like this again. i spent a week getting ubuntu on my computer the first time so i do not ever want to spend that much time again especially in finals week. !
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May 5, 2011
i installed ubuntu 10.10 to my external HDD and it works. Recently, i reinstalled windows therefore, there is no more grub menu when my computer boots. I tried to reinstall grub to my external HDD but it doesn't work.
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