Questions tagged [boot]
Use this tag if you have trouble booting Ubuntu or you have questions about the bootup process.
24,619
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How do I fix a slow boot on a RAID setup?
I've just finished setting up a RAID 1 on my system. Everything seems to be okay, but I have a very slow boot time. It takes about three minutes between the time I select Ubuntu from GRUB and the time ...
0
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2
answers
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How do I transfer an installation from internal to external USB HDD
I started to use Ubuntu 10.04 on a Laptop booting from an external USB HDD, it worked pretty well after some tweaking (Had to use a separate 1GB Boot partition etc).
After a while running mostly on ...
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vote
2
answers
405
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Grub loader problem
I recently updated my Wubi install form 10.10 to 11.04.
This had problems, so I finally took the plunge and gave Ubuntu its own partition.
It all seemed to go very well (I even got a purple bootscreen ...
2
votes
2
answers
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Will replacing GRUB with BURG increase my system's boot time?
I guess BURG will require more time to start, because it displays some eye-candy graphics. If I replaced GRUB with BURG, would the time required to boot into Ubuntu be significantly longer?
2
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1
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Accidentally deleted "linux-image-generic" - how do I recover?
Well I tell you that my problem started when upgrading to Ubuntu 11.04. As it happened to me when I updated Ubuntu 10.04 to 10.10, every time I installed something, I got an error when reading "...
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1
answer
613
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How to allow Upstart task to block system boot?
I'm writing an Upstart task which runs at runlevel 1.
This is for an ecrypted system, and the task's job is to verify the integrity of the MBR & /boot. As such, it is important that this task ...
7
votes
3
answers
2k
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Boot failure randomly. Can someone help?
I often get stuck at the boot on battery.
I can suspend and hibernate without any trouble (even on battery).
If I plug the energy cable everything goes right most of the time (edited June 13). ...
6
votes
3
answers
18k
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How to disable mounting of external drive at boot? [duplicate]
Okay so I'm not exactly sure how it happened, but recently Ubuntu has been trying to mount an external hard drive that I usually have plugged in during boot. A message comes up during boot asking me ...
6
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4
answers
717
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System doesn't boot unless I hit enter
I'm trying to remove a ~40 seconds pause that happens when my Ubuntu machine starts.
During this pause, all I see is a magenta rectangle (approx 80% of screen size) over a black background.
The gap ...
1
vote
1
answer
748
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Logging out/back in sometimes freezes after login to blank wallpaper
Hi I am running 11.04 on a Dell Inspiron 530
Below I have pasted what hardware I have and some dmesg pasted info
Here is the problem:
When I log out many times I cannot seem to log back in again. ...
3
votes
3
answers
801
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Getting only a flashing cursor on boot after a forced shutdown, how do I repair the system?
A program started misbehaving, and quickly ate up all 4GB of my RAM and 2GB of my swap. This meant the system came to a crawl. So I forced a shutdown.
Now, when I reboot, where I would normally get ...
4
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4
answers
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Why is Conky on top of windows only on boot?
I recently changed my Conky config so that when I 'Show Desktop' Super+D, Conky doesn't also minimize.
So I changed own_window_type normal to own_window_type override
This worked fine except when I ...
4
votes
1
answer
5k
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Boot CD won't boot with a "x86-64 CPU,but only detected an i686 CPU" error
The error message is
This kernel requires an x86-64 CPU,but only detected an i686 CPU. Unable to boot - please use a kernel appropriate for your CPU.
How can I overcome this?
262
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12
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Kernel Panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
Upon trying to upgrade from 10.10 to 11.04 all seemed to go well until the restart. This error message is what comes up:
Kernel Panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
...