Questions about the bootup process in Ubuntu. Use this tag if you have trouble booting Ubuntu or you have questions about the bootup process.

learn more… | top users | synonyms (2)

0
votes
1answer
773 views

Ubuntu 12.04 fails to boot?

And 12.04 bootinstalled 12.04 64 bit on my desktop which has an nVidia 6150SE integrated graphics card. At first I had low graphics mode messages but eventually I obtained the login screen perhaps ...
2
votes
1answer
5k views

Xubuntu 12.04 : Random boot to black screen

My xubuntu 12.04 has worked flawlessly since install in September. However, lately I randomly have the following boot issue : The computer boots to grub, and after choosing xubuntu either boots ...
6
votes
2answers
8k views

Grub gives messages about the boot sector being used by other software. What should I do?

This only happens with one of my computers. It is an elderly laptop that has had a long and varied history with several operating systems, but in its retirement it is acting as a server for my home ...
3
votes
1answer
1k views

Can I install Ubuntu/Lubuntu on a pc with a video card that is not supported if I add `nomodeset` in using the live cd/usb?

I have a computer with a video card that has no Linux support. I discovered this issue while trying to use a persistent usb to boot from. I found that I can boot like that if I change options and ...
0
votes
2answers
2k views

Ubuntu 12.04 won't boot? [duplicate]

Possible Duplicate: My computer boots to a black screen, what options do I have to fix it? I just replaced Windows with Ubuntu 12.04. It installed correctly, but but when I tried to restart ...
1
vote
0answers
52 views

I have installed Ubuntu 12.04.1 LTS on an external drive from a CD but it will not boot. iMac 2011, OSX 10.7.4 [duplicate]

Possible Duplicate: How to boot Ubuntu from EFI/UEFI? I have followed all installation instructions and partitioned the drive as follows: 475 GB for Ubuntu and its files 25 GB of swap ...
2
votes
1answer
3k views

How do you clean up your GRUB 2 boot menu? [duplicate]

Possible Duplicate: How do I to remove or hide old kernel versions, to clean up the boot menu? When my computer initially boots up it lists about 8 different options. How can I clean this ...
0
votes
1answer
823 views

Ubuntu 12.04 won't boot, only shows a blinking white line [duplicate]

Possible Duplicate: My computer boots to a black screen, what options do I have to fix it? I am trying to turn on my computer (Dell Mini 910 netbook) and after the BIOS setup screen it just ...
1
vote
1answer
581 views

Boot-up hangs unless I manually select the kernel in the bootloader

In my stock Ubuntu install (forgot which critter its named for, about one year old), I am able to boot up normally only if I manually select the kernel in the bootloader (Grub). If I step away and it ...
4
votes
1answer
4k views

Instruct Ubuntu to boot to RAM from flash drive using unetbootin

I have used UNetbootin to create an installable / live bootable flash drive from Ubuntu 12.04. However that didn't preserve the normal Ubuntu boot menu which allows to me to enter advanced options. It ...
2
votes
1answer
440 views

Can't get 12.04 64bit stick to boot

I'm an experienced Linux user, but now I've got a problem. For usual I install my OS via USB sticks, like that I've handled it with 10.04, 10.10, 11.04, 11.10 and 12.04 (32 bit), and it always worked ...
0
votes
1answer
155 views

Can a broken power supply freeze Ubuntu?

Several months ago my Ubuntu 10.04 started to freeze some minutes after booting. I didn't reboot, just get stuck (mouse, keyboard, etc.) One day it didn't boot at all - ut was dead. I tested the ...
1
vote
0answers
41 views

cant boot after update [duplicate]

Possible Duplicate: Xorg server configuration fail - no screens detected After update (28. september) my pc freezes and than restart after few secs. I have installed ubuntu 12.04 x64. I ...
1
vote
4answers
2k views

I installed Ubuntu alongside Windows but I can't see it in Windows' boot menu

I have a second machine where Ubuntu 12.04 LTS and Debian Squeeze are installed on the same HD and when I boot, I have this grub menu where I can choose which partition I will used. It works ...
0
votes
1answer
1k views

Booting from LiveUSB stops at purple screen

I followed the instructions for creating a bootable USB stick. When I attempt to boot from the USB, however, Ubuntu will not fully run. I am able to get a plain purple screen with the word Ubuntu in ...
1
vote
2answers
287 views

Ubuntu start up screen broken

I set up dual boot on my extra pc last night. First installed windows 7 and that went just fine. Downloaded Ubuntu and then did the MD5SUM and did not get a correct return that were listed on the ...
0
votes
2answers
479 views

Cannot boot from K/Ubuntu install disk on my UEFI system

I just got a new system and have been trying to get it set up w/ Win7 & Kubuntu dual-boot, but I've got a major problem. The BIOS of my motherboard (an Asus Crosshair 990FX) is strictly UEFI -- ...
1
vote
0answers
225 views

12.10 Live DVD with no video input [closed]

I have been trying install Ubuntu 12.10, but as soon as it gets past my BIOS and to the screen with the blinking line in the top left, I get a no video input message on my TV (like when you turn the ...
2
votes
1answer
1k views

How to fix a computer that won't restart?

I can't restart my laptop under Ubuntu 12.04 and the screen turns black with no response after clicking the Restart button. How do I fix it?
4
votes
1answer
165 views

Login takes ages after upgrade to XFCE 4.10

I updated my Xubuntu to XFCE 4.10. After that my first login after reboot takes up to several minutes. How do I find out the culprit?
1
vote
1answer
6k views

Can not mount /dev/loop0 (/cdrom/casper/filesystem.squashfs)

I downloaded 12.04.1 and md5 sum checked them and everything is good. Made a live usb and booted up... Just gets to where its about to start with the purple ubuntu loading screen then it goes back ...
3
votes
3answers
8k views

I can't boot into Ubuntu _ Cannot find GRLDR in all devices

I recently installed Ubuntu 12.04 alongside windows 7. It was working fine but now when I try to boot with ubuntu after the operationg system choice screen I get this Try (hd0,0) : NTFS5: No ...
1
vote
1answer
1k views

Unload kernel-module before boot [duplicate]

Possible Duplicate: How to blacklist kernel modules? I compiled Ndiswrapper from source. Then installed a wireless windows driver. After that I loaded the Ndiswrapper kernel-module with ...
0
votes
1answer
105 views

Failure to Boot 12.04 on HP AMD Dual Core. Rescue Mode doesn't even come up

I have 12.04 installed on HP 64 bit dual core AMD laptop.. worked great until about 1-2 months ago.. now takes 1/2 hour to 25 hours to boot if it ever does. A minor number of times I get the HP logo ...
2
votes
2answers
6k views

Can't boot from CD now that Ubuntu is installed?

I ran across an older toshiba laptop with a pentium 4 2.66 ghz cpu and 464 mg of ram. I thought i would try out Ubuntu 12.04 on it instead of running live on another computer to test it. So anyway I ...
5
votes
3answers
19k views

Ubuntu install and dual Boot with Windows 8 UEFI [duplicate]

i have Ubuntu 12.04 x64 ISO, i load it on a Fat32 USB. My notebook has a hdd with GPT where i installed Official Win 8 Pro x64 (final versión), I partitioned the whole hdd, previously of win 8 ...
2
votes
0answers
1k views

The disk drive for / is not ready yet or not present

Unfortunately I experienced a power failure during an update from Ubuntu Server 10.04 LTS to 12.04 LTS (it was a power failure of more then 40 minutes so batteries charge of the UPS weren't enough). ...
0
votes
1answer
5k views

Grub loading unknown file system grub rescue [duplicate]

Possible Duplicate: Grub rescue - error: unknown filesystem I am new to Linux. I had Windows 7 installed in my laptop. Yesterday I installed Ubuntu 9.0 from a free CD I got. I choose the ...
0
votes
1answer
416 views

Cant boot ubuntu grub wubi install

I have recently installed Ubuntu 12.04 which was an Wubi install so I don’t have a LiveCD. Whenever I boot the computer it goes straight to GNU GRUB version 1.99-21ubuntu3.1. Is there a way that i ...
15
votes
5answers
191k views

Grub rescue prompt, repair grub [duplicate]

I recently repartitioned my hdd and I have damaged grub on my system. On boot I get the grub rescue prompt and I have to go through the following steps in order to boot normally: set ...
6
votes
3answers
22k views

How to make Ubuntu ISO bootable on a USB stick with OSX?

I have a Macbookpro and I'm planning to create a multiple boot. I've already created the necessary partitions and downloaded image file (i386) When I try to create a bootable USB stick from the ISO ...
-3
votes
2answers
206 views

Grub boot loader problems [closed]

I've had ubuntu for about two months and its worked flawlessly but yesterday when i booted it up I got a screen that said Grub 1.99 (Grub Rescue screen) It asks to hit tab to display commands except ...
1
vote
1answer
160 views

Using fix-boot but still stuck

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. ...
1
vote
1answer
558 views

Grub missing after upgrade to 12.04 (only blinking underscore on boot)

I recently upgraded to 12.04. After booting, I only got the grub shell with no kernels loaded. I tried running boot-repair. It told me I use GPT and would need to create a new grub-boot partition. I ...
0
votes
2answers
423 views

Kernel missing after update, reappears after using Live USB

I run 12.04 on a ASUS laptop that's about 3+ years old, that has a bad battery. (Requires constant AC power.) I recently did an update that included a kernel. I ran the update and rebooted, and for ...
2
votes
2answers
197 views

Upgrade to Precise leaving system unbootable

I've upgraded our server's system from Lucid to Precise and as far as I can tell, it left the system in an un-bootable state. I've read many responses in different threads but my problem has a twist. ...
0
votes
1answer
689 views

Ubuntu 12.04 can't use mouse and internet

I've been using Ubuntu 12.04 for a while on my Acer Aspire One-722. It was ok, but then, after some updates, the next time i started it, an window "the system is running in low-graphics mode" ...
0
votes
1answer
1k views

after update the kernel ubuntu 12.04 wont boot

After I got the Update manger ask me to update the kernel and after restar the only thing I got is a message with: file can't be found... and now the only way to boot is to chose the previews Linux ...
0
votes
3answers
26k views

How to boot ubuntu from my sd card

I want to try ubuntu, so I put it on my sd card 32 card. But I can't figure out how to boot from my sd card from my boot menu. My sdcard usb drive is too outdated i got in 2005 and it only Support sc ...
3
votes
1answer
3k views

HDIO get identity failed for dev/sdb invalid argument [duplicate]

This failure is on an external hard drive connected by USB. However, it worked flawlessly for several days. Then, one day when I tried to start Ubuntu there appeared a Debian splash screen with ...
3
votes
1answer
7k views

Error: invalid environment block. Press any key to continue

Error: invalid environment block. Press any key to continue... The error message appears immediately after the boot screen on purple background. Ubuntu 12.04.1 LTS.
0
votes
1answer
865 views

How to fix the boot set up?

I got two OSes in my PC, Ubuntu and Windows 7. Until yesterday Windows 7 was on top of my dual-boot menu list, but I wanted to change it, so I went inside Windows configurations and put Ubuntu ...
2
votes
4answers
4k views

Grub menu not waiting despite of GRUB_TIMEOUT=10

I have Ubuntu 12.04 installed along side of windows 7. The grub menu doesn't seem obey GRUB_TIMEOUT=10, I see the grub menu there for a split second and it immediately defaults to the first option. ...
1
vote
0answers
419 views

Kernel panic on reboot after failed logical volume resize

I attempted to do a logical volume resize yesterday using the follwoing commands $sudo pvdisplay "/dev/sda8" is a new physical volume of "113.11 GiB" --- NEW Physical volume --- PV Name ...
1
vote
2answers
633 views

I am not able to boot into window 7 after ubuntu 12.04 installation [duplicate]

Possible Duplicate: Windows 7 doesn't boot after Ubuntu install not able to boot into window 7. I am naive in ubuntu usage. Pls guide immediately. The following link a got after boot ...
0
votes
1answer
62 views

Ubuntu12.04 is not booting after connecting DVD Player. Please help

I am using Ubuntu 12.04. Yesterday I connected a DVD player to my system, Now I've got a problem with booting. I get message like: Busy box 2.xx ............ ... dev/disk/uidb<some ...
1
vote
1answer
10k views

How can I run Ubuntu off USB [duplicate]

Possible Duplicate: How do I install Ubuntu to a USB key? I want to know if it is possible to install and run Ubuntu completely off a flash drive without using my computers hard drive. I ...
1
vote
1answer
237 views

When I boot, I can't select Ubuntu

Boot problem! It is stuck on Windows as the default. Arrow key will not let me select. Tried arrow keypad as well as arrow keys on the numeric keypad. Help!
2
votes
0answers
170 views

cryptswap1 issue when booting 12.04

When I'm starting my laptop which is running 12.04, most times recently I get a message saying: its taking a while to mount dev/mapper/cryptswap1 If I want to wait or skip it. When I skip, ...
0
votes
1answer
2k views

how to setup nouveau driver at boot time in ubuntu 12.04?

I would like add nouveau driver during boot time but I don't know where is the place in ubuntu 12.04 to add modprobe nouveau.