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
0answers
7 views

Ubuntu is not reading my windows 7 installation disk when restarted. How to enable it?

I was experimenting on how to install windows 7 for dual boot, then suddenly I have experienced problems such as no space or something,I wanted to wipe clean my drive in ubuntu, so since I am new to ...
0
votes
2answers
15 views

grub not dual booting win7

New Ubuntu 14.04 installation. Boots straight to Ubuntu. Tried repairing. Here is output of fdisk: Device Boot Start End Blocks Id System /dev/sda1 * 63 ...
0
votes
0answers
7 views

Triple Booting Mac, Windows, Ubuntu on Mac with Windows Already installed with bootcamp

So on my macbook I have OS X 10.10 Yosemite, Windows 7 Professional, and I want to install Ubuntu from a USB stick. I already have a bootable USB drive, and already installed refind. The problem is ...
0
votes
1answer
6 views

how to unlock screen when booted from usb?

i installed ubuntu 13.10 in the installation process i lost all data. i booted from the usb and took the help of testdisk. sudo apt-get install testdisk sudo testdisk After finding all the ...
0
votes
1answer
1k views

Ubuntu installed to USB key, but not recognized as bootable

This is NOT a duplicate of How to install Ubuntu to a USB stick or similar questions. Though there might be bits of helpful information in other questions/answers, my question is not a duplicate, ...
0
votes
1answer
491 views

installation on Asus Zenbook UX301LA

I am afraid I messed up things pretty badly while trying to install Ubuntu 14.04 or Mint 17 on a brand new Asus Zenbook UX301LA. The situation is: I am pretty sure that I have destroyed Windows8 ...
2
votes
1answer
62 views

Why is the default boot partition so small with whole disk encryption option?

The boot partition, set up automatically by the Ubuntu installer, is only ~230MB. This is the case on two different clean installs I have performed on different machines. Both used the full disk ...
0
votes
1answer
3k views

“Gave up waiting for root device” while booting

I just installed Ubuntu 13.10 from USB flash (with Universal-USB-Installer-1.9.4.4). It´s well done. But I got boot problem when I restarted my notebook (Acer Aspire 1410, 2 GB RAM, 250 GB HD, Intel ...
1
vote
1answer
359 views

Windows 7 hangs at grub's purple screen when dual booting

I have installed a new laptop (Lenovo Z510) for dual boot Ubuntu 12.04 and Windows 7 64 bit. After several trials it now works, but I have a strange effect. I always enter the Grub purple screen ...
1
vote
0answers
51 views

Can't enter Ubuntu 14.04 with AMD R9 290 (Black Screen)

I've recently installed Ubuntu along side my Windows 8.1 on my HDD. The moment I tried to boot I got a weird purple outline, followed by a black screen and monitor signal loss. I entered grub ,using ...
0
votes
1answer
423 views

Failed boot…? [duplicate]

So here's the order in which things happen after turning on the computer: It shows the motherboard splash screen quickly. It goes to a screen where the options are to boot Ubuntu and do a couple of ...
0
votes
0answers
12 views

What to do with the series of randomly occurring errors?

I'll get straight to the point with this one, my laptop (ASUS G75VW) is dual booted with Windows 8.1 Pro and Ubuntu 14.04.1 and is experiencing randomly occurring errors. I don't know if they're ...
3
votes
1answer
5k views

PXE boot with Ubuntu 14.04

I'm currently having a PXE server to perform many different OS' installation over the network. I have a fully functionnal Ubuntu 13.10 live environnement and I would like to give a try on 14.04 ...
0
votes
1answer
23 views

How to install Ubuntu on a USB drive without it being a Read-Only filesystem?

After my MacBook stopped working yesterday I have been trying to get it to work again, but right now it won't boot as there seem to be problems with the SSD. The support recommended booting into my ...
0
votes
0answers
8 views

After forcing Bleach Bit to stop, now Lubuntu cannot boot v14.04

I was running Bleach Bit but got tired that it didn't finish, so I forced it to stop by pressing the boot button. After that, I started again the laptop, it keeps on trying to boot but it doesn't. The ...
0
votes
2answers
45 views

GRUB2: black screen when booting Windows

I know this might be a duplicate, but I've read a lot of threads about this and none pointed me to the solution. When loading GRUB2 I have a black screen (with static white cursor on the upper left) ...
0
votes
0answers
8 views

How to deal with duplicated GRUB entries with different names?

As I told in a previous question, I was having GRUB problems with a dual boot PC with both Lubuntu and Bodhi Linux. One of the partitions (the one with Bodhi Linux) was messing with the GRUB entries, ...
1
vote
0answers
24 views

How to fix “/dev/mapper/ubuntu--vg-root does not exist” on new installation?

I just installed 14.04.1 on a USB 2.0 drive. At startup, I'm prompted for the encryption key, which I enter. After that though, I get the following: Gave up waiting for root device. Common ...
0
votes
2answers
3k views

How can I install Ubuntu on my MacBook Pro without EFI interference?

I have a late 2011 macbook pro, that I bought in early 2012. Is it possible to cleanly install ubuntu without the irritating EFI mac 'shell' surrounding the install, making the mac boot sound and ...
0
votes
0answers
14 views

no access to windows 8 because of grub error

I have a dual boot lenovo G505 laptop windows 8.1 and ubuntu. I deleted the ubuntu partitions and now when I start the pc the screen displays Error: no such partition Entering rescue mode Grub ...
1
vote
0answers
17 views

make bootable hard disk to install multiple OS

I am using Ubuntu 14.04 LTS and I have two partitions in my hard drive. So I want to install Windows in one of my partitions and keep Ubuntu on the other. To do so, I want to use my external hard ...
4
votes
3answers
4k views

After upgrading from13.10 to 14.04 screen on a laptop doesn't work but

First my laptop CPU/GPU is Intel Celeron N2815 (Bay Trail) and I am in dual boot with windows 8. I have upgraded from ubuntu 13.10 to 14.04 today through update manager. And after upgrading and after ...
-1
votes
0answers
12 views

Bios doesn't appear when I connect my HDMI Cable

I have a desktop computer with dual boot using grub and a permanent HDMI cable between my computer and my TV. When I start my computer, I don't see Bios Screen in my computer, I can only see it in my ...
0
votes
0answers
13 views

(How) can I avoid undesired effects of booting with “nomodeset”?

Sometimes (approximately 1 of 3 times) waking from hibernation with Ubuntu 14.04 on my HP pavilion dv6000 laptop computer ends with a black screen with backlight and the mouse pointer - in those ...
0
votes
0answers
1k views

How to fix no splash screen in Ubuntu after nvidia proprietary driver installation [duplicate]

This is soultion how to fix no splash screen in Ubuntu after nvidia proprietary driver installation. It's no matter what Ubuntu version you use, it should work anyway. (TESTED ON 14.04) Open your ...
0
votes
1answer
206 views

Ubuntu 14.04 not booting after error message. /temp could not be mounted (still need help)

I am trying to change a GRUB2 boot entry and can not seem to edit or save the file after entering sudo vi /etc/grub.d/10_lupin into terminal. I am having the same problem as a few others with the way ...
0
votes
1answer
36 views

Unable to boot grub/Ubuntu directly after removing Windows partition

At first I kept my Windows 7 partition(s) to be on the safe side but I removed the partition(s) now because I never used Windows any more. The result is a machine that won't boot into grub/Ubuntu any ...
1
vote
1answer
3k views

Remove Grub Loader from Mac - USB Thumbdrive installation

I installed Linux from one bootable USB thumbdrive onto another bootable thumbdrive. That works. However, now my Macbook Air boots to "error: no such device: XXXXXXX... grub rescue>". If I hold ...
0
votes
1answer
25 views

Windows 8 and Ubuntu in UEFI mode - Ubuntu only boots when entering Windows 8 first

I have a problem, which is that the only way to start is when I start Ubuntu 14.04 Windows 8 first then (Shift + reset) and enter to boot from USB and Ubuntu there appears, after selecting newly see ...
0
votes
0answers
13 views

Weird characters at booting Ubuntu 14.04 LTS

I have two OS on my PC: Windows XP and Ubuntu 14.04 LTS. After selecting Ubuntu in GRUB screen and pressing enter, screen goes black, and after 10 seconds "^[[21~" is being constantly written on the ...
0
votes
2answers
35 views

Deleted Ubuntu partion within windows and now computer won't start

So basically my parents got rather pissy at me for messing with the home computer and putting ubuntu on it as a secondary os. So I was told to unistall it, my friends all use Ubuntu as well and they ...
0
votes
0answers
31 views

GRUB missing after 12.04.2 LTS to 14.04.1 ? Server

After upgrade from 12.04 to 14.04.1 the GRUB is wrong/missing. I looking for a command for repair of this missing GRUB - mount volume. sudo mount /dev/sd*xx* /mnt I do not understand what volume ...
-1
votes
1answer
6k views

Boot Ubuntu on USB flash drive in Mac OS X 10.4… and Ubuntu

I would like to create an OS-agnostic installation of Ubuntu on a flash drive, that boots under Ubuntu and under Mac OS X. Ideally the process would look like: Install Ubuntu 11.10 (or 12.04 if ...
0
votes
0answers
7 views

Identify which grub menu item used when booting

Is it possible to test which menu item was used to start the system. If the choice of kernel was different i can for example do this in my login script if uname -r | grep -q lowlatency; then ...
0
votes
0answers
10 views

Pulled off USB before Ubuntu restart after installation?

I recently installed Ubuntu from a USB and when after installing everything and downloading all third parties it asked to restart, I pulled off the USB thinking it may not be needed, now my screen ...
0
votes
1answer
9 views

Lubuntu 14.04 : Unable to enter GUI/system after giving login and password in login GUI

Background: I am Windows user. I recently started using Lubuntu 14.04 along with Windows on my machine. Problem: I am unable to go to main GUI after login (before that I was able to login and use ...
0
votes
3answers
544 views

Xubuntu loading slow after the session/password select

I recently installed Xubuntu on my computer. I love the distro. Everything was fast, and then the bootup slowed down. It started taking a couple minutes for my user selected wallpaper to show and the ...
-1
votes
0answers
17 views

Failed to mount NTFS media partition while booting

I use a lot my "Media partition" that is shared between my operating systems and its NTFS type. The problem is that it used to mount perfectly for months and now it fails to mount, while booting it ...
0
votes
1answer
21 views

How to best boot Ubuntu on Acer c720 [on hold]

What is the best process to boot ubuntu on acer chromebook C720? Can it be done as a "trial" ? thank you
0
votes
0answers
14 views

Cant load back into ubuntu

After i successfully install and loaded ubuntu, i restarted and loaded into windows. But now no matter how many times i cant change back into ubuntu Windows 8 Fast boot, Safe boot all turned off
0
votes
1answer
3k views

Ubuntu 13.10 Grub 2.0

I know this question may have been asked hundreds of times before but there doesn't seem to be one answer to how to solve it. I upgraded my computer to Ubuntu 13.10 and my computer was low on ...
2
votes
3answers
2k views

Startup Disk Creator shows no free space on my USB stick

I am having a problem trying to use Startup Disk Creator with my 8GB USB stick. The USB stick has just been formatted, but Startup Disk Creator shows that there is no free space on the drive, although ...
1
vote
2answers
3k views

What to do to install Ubuntu 12.10 in Virtual PC on windows 7 enterprise?

I had review many answers of how to install UBUNTU in Virtual PC and I tried them all but they all failed. I am not sure what I am doing wrong. I am using windows 7 enterprise. I had created the ...
0
votes
0answers
21 views

installed with bootable USB and lost windows

I wanted to try Ubuntu so I decides to use a bootable USB so I can keep windows. I booted with the USB and went through the Ubuntu installation. One option asked if I wanted to erase the disk or keep ...
0
votes
1answer
19 views

Grub Installation Problem using Ubuntu Mini ISO

I have a problem when using the Ubuntu Mini ISO. It defaults installing grub on /dev/sda but that's my USB Flash where I'm installing Ubuntu from. How can I change that to /dev/sdb which is my actual ...
0
votes
1answer
33 views

Ubuntu W8.1 Dualboot is not working - Only w8.1 boots

I know this topic was discussed here a lot but I didn't manage to work dualboot on my laptop. I have HP laptop with pre-installed Windows 8.1. Today I tried to install Ubuntu to partition. I followed ...
0
votes
0answers
4 views

Hangup during boot “Starting CPU interrupts balancing daemon”. Ubuntu Server 14.04

halp me plz. I don't know how this would affect anything, but the last change I made to my server was deleting and replacing the ssl keys in /etc/nginx/ssl I am using an AMD Phenom II X4 960T. ...
-1
votes
0answers
7 views

What's the KList? i tried to fix grub from a pendrive yet the answer was i can't fix grub but from within the klists?! How

What's the KList? i tried to fix grub from a pendrive yet the terminal answer was i can't fix grub at this stage but from within the klists?! How can i do that?!!!
-1
votes
1answer
18 views

Install Ubuntu 14 from bootable pendrive USB

I have tried to Install Ubuntu 14 from bootable pendrive USB on specific partition of a Local hard drive. the previous GRUB boot screen dissapeared so how can i fix that (boot manager is gone). ...
0
votes
0answers
25 views

Operating System Selection Screen

I have been using xunbuntu for the past few months and it works exceptionally well for me and I am really pleased with it. This morning I booted up bu instead of the usual opening blue screen with ...