Questions about the bootup process in Ubuntu. Use this tag if you have trouble booting Ubuntu or you have questions about the bootup process.
76
votes
23answers
103k views
My computer boots to a black screen, what options do I have to fix it?
I am trying to boot Ubuntu on my computer. When I boot my computer it boots to a black screen. How can I fix this?
Table of Contents:
If you are trying to install Ubuntu
If you have a dual boot ...
9
votes
4answers
45k views
Grub rescue - error: unknown filesystem
I have a multiboot system set up. The system has three drives. Multiboot is configured with Windows XP, Windows 7, and Ubuntu - all on the first drive. I had a lot of unpartitioned space left on the ...
5
votes
2answers
4k views
I can't boot into a usable system after updates. What should I do?
Due to updates, my machine can no longer boot properly. I am no Ubuntu guru. I do not have a week to spare diagnosing the issue. I just want to retrieve important data from this machine's hard drive ...
59
votes
5answers
186k views
How do I change the grub boot order?
I have both Windows 7 and Ubuntu installed on shared machine. Because a lot of the non-developers use Windows, I'd like to change the boot order to make it easier for them.
Currently the boot order ...
16
votes
7answers
9k views
Can't boot without Flash Drive plugged in
(Sorry for my bad English)
I had Ubuntu 12.04 Beta installed on my computer. When 12.04 was finally released, I made a bootable USB Flash Drive using Startup Disk Creator.
Then I decided to check if ...
14
votes
2answers
8k views
How do I boot into a root shell?
When booting to the graphical desktop fails we sometimes are recommended to boot into a "root shell" or to boot in "recovery mode".
How do I do that?
17
votes
5answers
2k views
How do I investigate boot and partition issues?
My machine won't boot, or won't choose the right operating system when I choose it in the grub menu, what information do I need to provide in my questions so people can help me?
32
votes
3answers
29k views
Enabling Nvidia driver messes up splash screen
When you boot from live CD, or doing the first boot after installing Ubuntu, splash screen looks awesome. But as soon as you enable nvidia-current driver, installed with apt-get, splash screen goes ...
22
votes
4answers
19k views
How do I disable X at boot time so that the system boots in text mode?
Is it possible to disable X at boot time? I'm setting up a server so it would be nice if it wouldn't load the graphical interface every time I boot.
26
votes
14answers
15k views
How do I improve boot speed?
I have seen many videos that make Ubuntu faster, but only makes the desktop faster.
I am looking to make my computer boot faster. Is their anything i can do to make Ubuntu boot significantly faster?
31
votes
7answers
14k views
How do I free up more space in /boot?
My /boot partition is nearly full and I get a warning every time I reboot my system. I already deleted old kernel packages (linux-headers...), actually I did that to install a newer kernel version ...
2
votes
1answer
2k views
Ubuntu not showing up on boot menu after Wubi installation
I have installed Ubuntu to my hard drive using Wubi. The installation seemed to be successful; however, after rebooting my PC I am not brought to a boot menu, and Windows just starts normally. When I ...
10
votes
4answers
18k views
12.10 UEFI Secure Boot install
Now that Secure Boot is supported, what special instructions does one have to follow to install Ubuntu 12.10 on a UEFI Secure Boot enabled PC shipped with Windows 8?
As I understand, 12.10 ships with ...
4
votes
1answer
5k views
Windows 7 doesn't boot after Ubuntu install
I had windows 7 installed on my pc, then I installed Ubuntu 10.10/
During the installation process I have chosen to manually set my partitions:
I set a 10GB drive for ubuntu root
1GB drive for swap
...
15
votes
3answers
14k views
How to restore a system after accidentally removing all kernels?
I was trying to delete old kernels, but I must have deleted all of the kernels on my Ubuntu 11.04 laptop. Is there any way to fix this via USB boot or mounting hard drive on another system?
8
votes
4answers
14k views
Ubuntu 12.04 does not see windows already install on my computer (dual installation)
I was trying to install the ubuntu 12.4 along side windows 7 on my new HP Pavilion 64k desktop with windows 7 computer but Ubuntu said that ( This computer has no detected operating system) and some ...
12
votes
5answers
48k views
How to boot Ubuntu from EFI/UEFI?
I have just tried installing Ubuntu 11.10 on a newly bought Lenovo ThinkCentre Edge with EFI boot enabled. The machine came preloaded with Windows 7. I first opted to install Ubuntu 11.10 side-by-side ...
3
votes
2answers
4k views
frequency out of range - please change display mode
I just downloaded the latest version of the Ubuntu live CD, and have installed it on a desktop computer (a Fujitsu Scaleo P). Once installed it seems to work perfectly, although there are some updates ...
15
votes
2answers
46k views
Boot failure : No DEFAULT or UI configuration directive found!
I've tried to install Ubuntu on a VMWare Virtual Machine, but it never gets past the
bootloader :
ISOLINUX 4.01 debian-20100714 ETCD Copyright (C) 1994-2010 H. Peter Anvin et al
No DEFAULT or UI ...
7
votes
3answers
2k views
How do I troubleshoot booting into black screen? [duplicate]
Possible Duplicate:
My computer boots to a black screen, what options do I have to fix it?
I installed Lucid Lynx over PXE onto this dell server seemingly successfully, but booting from the ...
2
votes
2answers
1k views
Accidently installed grub to usb
While doing a fresh ubuntu install (dual boot with XP using resize), I somehow managed to install grub to the source usb instead of to the harddrive. Normal harddrive boot goes straight to XP. Booting ...
18
votes
2answers
6k views
Boot screen in low graphics/text mode
My ubuntu boot screen shows up in a strange low resolution, almost text mode, instead the usual and sleek white "ubuntu" over dark background. It's not a big issue because when GDM loads everything ...
11
votes
4answers
13k views
Reboot during update, glibc error
While upgrading from 11.10 to 12.04 the upgrade stalled because it said xscreensaver needed to be uninstalled. I tried to open a terminal but the system wouldn't respond. So I did a hard boot and now ...
17
votes
1answer
7k views
How can I disable the purple splash screen at boot?
How can I disable the purple "Ubuntu" splash screen that displays at boot before the login screen has loaded? I'd prefer to just see plain text scroll by.
3
votes
3answers
20k views
12.04 won't boot from Live CD or USB
My laptop (the only PC left in my home to install Ubuntu 12.04 now that it's out) is not booting from Live CD or USB. I get past the screen with the little person in the circle. but right after that, ...
19
votes
5answers
26k views
“Waiting for network configuration” adding 3 to 5 minutes to boot time
I get the following pieces of information at the startup, takes about 3 to 5 minutes, while normally about 1 minute:
Waiting network configuration
Booting system without full network configuration
...
5
votes
1answer
7k views
Hide Grub menu and keystroke to reveal
How do you have the grub appear on a key combination, but have windows boot default.
I'm running ubuntu 11.10 and grub 2.0.
Here is my current /etc/default/grub
# If you change this file, run ...
7
votes
6answers
6k views
How to verify that the ISO I downloaded is bootable before I burn it?
How can I check to make sure that the iso I downloaded is bootable, before I burn it?
2
votes
3answers
5k views
How do I remove wubi?
I downloaded wubi a couple of months ago and realised it made my laptop bootup significantly slower. It has also made it slower in general.
Recently I have been trying to uninstall wubi from my ...
1
vote
2answers
308 views
How do I set up multiple HDD?
I got some new hard discs and would like to set my PC up in the following way:
Ubuntu is currently installed on one drive
I want to put Windows on a second drive
I would like a third drive for ...
7
votes
2answers
6k views
Purple start screen - no splash screen
After installing Ubuntu 11.10 on a new computer everything worked fine for a few weeks and now suddenly when starting up Ubuntu I get a blank purple screen with no "Ubuntu" splash and the 5 dots but ...
8
votes
3answers
6k views
How to enable boot messages to be printed on screen during boot up?
How to enable boot messages, kernel messages and other logs of various services to be printed on screen during boot up?
4
votes
2answers
2k views
Grub rescue problem after installing ubuntu
I have windows 7 installed in my internal hdd and wanted to try out Ubuntu so I got a USB to put Ubuntu LiveUSB on and installed Ubuntu on an external HDD and everything worked out fine.
Now the ...
25
votes
0answers
4k views
How to remove the unwanted entries from the boot menu? [duplicate]
Possible Duplicate:
Is there a way to remove/hide old kernel versions?
When my system boots up, a big list of some 6 options are shown other than the Windows OS option.
They are like :
...
16
votes
4answers
16k views
How to create a bootable USB with multiple ISO images in it
What I want is to create a bootable pen drive that shows GRUB menu and I can select any of the several bootable systems from there to install/run. I have several ISO images that I want to install in ...
9
votes
6answers
41k views
System won't boot with nvidia driver enabled
I just tried to upgrade Ubuntu 11.04 to 11.10, but without success.
I took a picture of what the screen are showing when i try to boot:
If i use recovery mode -> resume, it works.
Normal boot ...
7
votes
5answers
10k views
How to fix very slow Ubuntu booting?
When I boot up my my newly installed copy of Ubuntu on my custom rig w/4GB DDR3 RAM and a 3 Ghz Intel Core i7, it takes about a minute and a half at the purple loading screen, and then after logging ...
9
votes
1answer
2k views
ubuntu appears in BIOS menu
I've just installed and uninstalled ubuntn and win7 on my laptop for several times, and this happened: see the pictures below.
The first one is about BIOS:
The second is what I got after ...
2
votes
1answer
7k views
Dual boot windows 8 and Ubuntu with Windows 8 Boot manager
I have two partitions on my hard-didk , I have installed ubuntu on my 1st partition and windows 8 later on another partition.Now i can only boot into windows 8 because it doesn't recognize Ubuntu.
...
14
votes
2answers
4k views
How do I change the plymouth bootscreen?
With regards to Plymouth --
Are there alternative boot screens available?
What's the easiest way to change the boot screen?
6
votes
4answers
9k views
Hide GRUB2 menu UNLESS you hold down Shift key: how to make this happen?
I have a Ubuntu - Windows 7 dual-boot set-up, and I would like to have it that my laptop would boot up Windows 7 unless I press down the Shift key right after boot and bring up the Grub2 menu from ...
3
votes
2answers
2k views
Disable Ethernet permanently to speed up boot time
I do not use the wired Ethernet Card. It seems to me that, Ubuntu is always trying in boot time to check the network via eth0, Which consumes some times and I guess this may slow down the boot process ...
3
votes
4answers
7k views
System doesn't boot after amd 11.9 driver install
Im having a bit of a problem with ubuntu. I just installed amd 11.9 driver from the amd website.
Now the boot is stuck at this image.
How do I resolve the issue without reinstalling Ubuntu?
The ...
3
votes
2answers
1k views
Updated Nvidia graphics driver, now won't make it past the boot screen
I recently installed a ASUS GTX560 graphics card in my desktop and out of the box everything was working fine. I decided to check for available updates and one of the suggested ones was the most ...
9
votes
5answers
4k views
Could not update ICEauthority file /home/me/.ICEauthority
So I am getting a message
Could not update ICEauthority file /home/me/.ICEauthority
When trying to log into ubuntu graphical. Terminal works (ctrl alt f1)
not a duplicate of:
What does this ...
4
votes
2answers
772 views
How do I fix grub so that it shows up during boot?
I installed ubuntu alongside windows but grub wont show during boot and windows starts instead.
I used a liveCD and followed these instructions
https://help.ubuntu.com/community/Boot-Repair
But ...
2
votes
1answer
276 views
My ubuntu partition was deleted and I can't boot from either a DVD or USB
It's my first time installing ubuntu. I have Windows 7 and 8 before in my laptop (Acer Aspire 4752z). After Ubuntu (12.04) installed in my laptop, the Windows boot loader didn't recognize my Ubuntu so ...
1
vote
2answers
1k views
Cant boot into windows after installing ubuntu
I started to use Ubuntu in April. I thought it would give me the option whether to boot into Ubuntu or Windows at each start. But that didn't happen. But I was happy with Ubuntu and didn't have time ...
0
votes
2answers
4k views
No boot option after Ubuntu install
I just installed Ubuntu on my Windows Vista laptop using the Windows Installer.After the install i rebooted the system and Ubuntu started automatically. When i restarted again i did not get the option ...
14
votes
2answers
2k views
How can I see what happens during the boot process?
On my machine booting takes more than a minute which is annoying when I see that Windows 7 boots in 20 seconds.
Here is what I get when the machine is booting.
How can I see what happens when ...
