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

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0
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1answer
36 views

I deleted Ubuntu and accidentally deleted Grub with it. Other OS's aren't booting now. How do I fix this?

I was running a dual-booted Ubuntu/Windows 8.1 PC. I deleted my Ubuntu partition so I could install Arch, but in doing so I also accidentally messed up Grub and deleted my Windows EFI partition. I ...
0
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0answers
13 views

I can not install ubuntu 14.04.2 in my partition.Installation crash

Previously I had dual boot my pc with ubuntu and windows 7.After installing windows 10 I can not install ubuntu in my pc. In installation process from my usb stick I got this message. "The system ...
2
votes
1answer
44 views

Xubuntu 14.04.3 - Monitors turn of during boot

After installing Xubuntu 14.04.3, I can not boot into the system. Instead, after selecting ubuntu within the grub menu and pressing enter, a few messages are shown and the monitor turns of after ...
0
votes
2answers
19 views

Ubuntu will not automatically boot from SSD

I have both Ubuntu 14.04 LTS and a boot loader installed on my SSD. My SSD is not showing up as option to automatically boot from in the BIOS in my boot load order; however I can manually boot from it ...
0
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0answers
44 views

“Install Ubuntu Alongside Windows 7” option is not shown during installation of dual boot ubuntu 14.04.2

i am try to install ubuntu 14.04.2 along side window7 i.e dual boot. window 7 already installed on My lenovo laptop. So to install ubuntu on my laptop i use rufus to make my usb Bootable. But during ...
0
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0answers
15 views

“Boot error” When loading a working ubuntu 15.04 usb installer

I cannot find any information what so ever because my amazing POS system doesn't actually give me anything other than "boot error". I have a dell 530 (07 era) desktop. I had windows on it, but the ...
0
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0answers
17 views

dual boot issue

I'm pretty noob on Linux so, sorry in advance. I installed ubuntu side of windows (just want to keep windows for games, shame I can't play them on ubuntu or I would remove windows forever I think) ...
-1
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0answers
26 views

how to reduce cold boot time so that it takes less time to boot? [closed]

currently i am using ubuntu 15.04. But whenever i turn on my lappy it takes too much time. so what to do for fast cold booting so that booting time can reduced?
1
vote
1answer
32 views

How to access the grub boot menu in order to generate bootchart?

I am running Ubuntu Gnome 15.04, and I am wanting to generate a bootchart to help me diagnose some system problems, however in the guide it says: So how do I access the grub boot menu in order to ...
0
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0answers
9 views

Ubuntu image before Plymouth

i've installed gnome in Ubuntu 14.04. Everything was ok, until i restarted my pc and saw that there was a gray screen before gnome plymouth. I restored ubuntu's default plymouth and removed gnome's ...
0
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0answers
22 views

Trouble to boot after graphics driver installation [closed]

I run a fresh installed Windows 7/ Kubuntu 14.10 dual boot with a ATI Radeon HD 5450 graphics card. The Installation process and first couple of restarts worked totally fine with boot option ...
0
votes
0answers
12 views

Problem booting Ubuntu 14.04 LTS on external SSD drive

I am using external SSD drive to boot Ubuntu 14.04 LTS. I remember mistakenly selecting optiton to encrypt my folder, while installing ubuntu. Now whenever I boot I get this error, The disk drive ...
0
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0answers
15 views

cannot install ubuntu 12.04 using bootable usb

i created ubuntu 12.04 bootable pendrive using universal usb installer in windows. i changed the boot order and set the top priority for usb booting. The system is booted from usb and options for ...
1
vote
1answer
41 views

Dell XPS is not starting

My Dell XPS (with ubuntu preinstalled on it, EDIT1: it was bought on 2014 June-July) does not start. Pressing power on button, a black screen is showing this text: Missing operating system. Operation ...
0
votes
0answers
8 views

Deleting Windows from triple boot

I first had windows 7 in my laptop. Then I installed windows 8.1 in different partition (dual booted). Then I installed Ubuntu in different partition. Now it shows me grub showing option to boot ...
0
votes
2answers
64 views

Can't run Ubuntu using USB stick on Windows 8.1

I have a USB drive (4gb) that I formatted to run Ubuntu on. I went to http://www.ubuntu.com/download/desktop/create-a-usb-stick-on-windows and got PenDriveLinux installed. The USB has 2.2gb ...
0
votes
1answer
32 views

How to change file text content only with Shell Script commands?

In a file, there is: sd5_crypt UUID=1337 none luks,discard I'd like to change it to: sd5_crypt UUID=1337 /dev/disk/by-label/MON_LABEL_ICI:/keyfile luks,keyscript=/lib/cryptsetup/scripts/passdev ...
2
votes
2answers
135 views

How to know which sdb is a USB pendrive?

I wrote a script which formats USB pendrive and place media on it. It helps people in a library getting a bunch of HTML and media on it to browse historical data (official version). All my script do ...
0
votes
0answers
14 views

errors in mounting usb while trying to create live usb for an os

I am trying to create a live USB of an OS. but while installing, the USB is having problems being partitioned. On the install screen it says that the changes to the disk have been written but the ...
0
votes
0answers
13 views

Opening encrypted disk at boot using crypttab and decrypt_gnupg doesn't work

I have a Volume that is encrypted with a GnuPG pass phrase encrypted key. I can open it, using manual commands, like this: gpg -d key.gpg | cryptsetup luksOpen /dev/sdb2 cryptvolume This works ...
1
vote
1answer
22 views

Computer won't boot except by efi file

I'm here today because I have a lot of trouble with my computer under Ubuntu. I decided to re-install my computer 2 days ago. And, don't know why, I must pass throught the boot option in my bios and ...
0
votes
1answer
21 views

Booting from flash, can't escape grub rescue

I recently wanted to reinstall Ubuntu on a partition on my PC. I used Gparted to delete the partition so that I could start fresh. I tried to boot to the usb, but it went into grub rescue mode. I ...
0
votes
0answers
16 views

Can't find file when booting up FIle: \ubuntu\winboot\wubildr.mdr

I installed Ubuntu and created a boot menu but when I try and boot with Ubuntu, I get the error Can't find File: \ubuntu\winboot\wubildr.mdr. I found this file in two places, on the root C: and in ...
0
votes
2answers
51 views

Dual boot - Windows missing after installing ubuntu

I am posting a question and also post the answer as I don’t know other way around to help others. I Have been struggling from last 1 month to make dual boot on my hp laptop its hp g6-2313ax, however ...
0
votes
2answers
62 views

Bootloader problem

I don't know why or how... But my boot loader have been destroyed. In this moment I have installed on my PC Windwos 8, Ubuntu 15 and Ubuntu 14 but just Ubuntu 15 have visible on bootloader.. I've try ...
0
votes
0answers
15 views

Partition not visible on ubuntu - Hp g6-2313ax notenook

I have a laptop hp2313ax, which is a UEFI laptop however I have disabled UEFI and enabled legacy boot as it was not allowing me to install win 7 64 bit ultimate. My issue is when I am trying to make ...
1
vote
3answers
53 views

Stuck at Grub, can't boot Win7 installation USB

A friend of mine asked me to fix his laptop, and to be honest I'm completely stumped, but he doesn't want to take it to a repair shop. I'm hoping I can get some help here. I haven't done much with ...
0
votes
0answers
18 views

linux no such partition grub rescue

I use to run windows and Ubuntu on my laptop in my windows there are 3 drives I deleted one of my drive to merge it with another one but I didn't delete any active partition of Ubuntu and windows not ...
0
votes
0answers
29 views

Difficulties customising Grub2 in Ubuntu 15.04

After a fresh install of Ubuntu 15.04 and the usual run of configuring wireless drivers, I went to remove the ugly purple background from the grub menu (I am dual booting with Windows) and add my own ...
3
votes
1answer
70 views

What is the proper way to install Ubuntu 15.04 with LVM, LUKS, and manual partitioning?

I am trying to install Xubuntu 15.04 with LVM and LUKS, manually partitioning in order to have a separate /home partition. So far I have booted the Xubuntu live CD and went through these steps: ...
0
votes
1answer
30 views

Goes to grub rescue after removing the partition with linux

I deleted the partition that had Ubuntu on it to get rid of dual boot, and now every time I try to boot to windows it goes to grub rescue, saying error: no such device 22623f... When I type ls is ...
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votes
0answers
15 views

Latest update Linux in Ubuntu 15.04 32 bits [closed]

After installing latest update Linux for 32 bits, PC bloks during start-up! Restart doesn't help.
0
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0answers
11 views

How can I install OS(Windows/ Ubuntu) from a networked Ubuntu system

I have two system networked. In first one I am using Ubuntu. The second PC doesn't have CD drive. I have no Pendrive to make bootable Pendrive. So I need to know that is it possible to Install Os from ...
0
votes
0answers
14 views

Boot Windows 8.1 after dual booting with ubuntu but only can acces Windows recovery

I just made a mess with UEFI and Legacy. I can't use Boot repair because I'm in Legacy mode, and I can't use Windows backup because it's impossible to enter, it just let me enter in recovery mode and ...
0
votes
0answers
18 views

Windows shows on MBR

I am having trouble booting, I see a brief error on startup that I cannot read. Please see http://paste.ubuntu.com/12120010/ - This was taken while running the liveCD environment off a USB drive. ...
0
votes
1answer
27 views

how do you expand the boot partition of a standard 14.04 install

I have read several solutions to this problem but they did not address a non dual boot standard 14.04 install. Below is the structure of my disk. I tried to paste a picture of gparted but apparently ...
0
votes
0answers
9 views

I am trying to boot Kubuntu version 14 from my current Kubuntu system

The problem at hand is that the file on my thumb drive ends in a Windows format. Why would it be in a Windows format when its being downloaded on a Linux system? Do I need VM ware installed on my ...
0
votes
0answers
28 views

Installed 14.04, dual boot with Windows 7. Always boots to ubuntu; no option to boot windows on start

I am completely new to ubuntu. Sorry. Bought "the official ubuntu book" a while ago, with CD, version 12.04. After trial from disc, I installed ubuntu with the "dual boot" option alongside windows 7. ...
0
votes
1answer
28 views

Unity will not load and cannot open terminal

I'm lost as to how I can support a seemingly legacy bug with Ubuntu. I'll admit that I'm still rather new to Ubuntu but I'm running 14.04 and after logging into my username I'm presented with a blank ...
-2
votes
2answers
45 views

boot problem with linux and windows [duplicate]

is their solve to my problem i was used kali and ubuntu and windows 8 but when am install new windows boot menu disappeared and my laptop log into windows automatically all time
0
votes
2answers
41 views

What is the difference between booting into Ubuntu normally and in recovery mode?

I have seen that the grub menu entry for recovery on my Ubuntu is : linux /boot/vmlinuz-3.16.0-45-generic root=UUID=c1f08a7e-c1e0-4409-97cb-8094359408cb ro recovery nomodeset but I didn't find ...
1
vote
1answer
26 views

How to Install Linux via USB Flash Disk on Macbook

I have a Macbook 2,1 Processor 2.16 GHz Intel Core 2 Duo Memory 2GB 667 MHz DDR2 SDRAM Mac OS X Version 10.6.8 Boot ROM Version MB21.00A5.B07 SMC Version (system) 1.17f0 HDD ST9120822AS : BSD Name: ...
1
vote
1answer
39 views

NO BOOTABLE DEVICE message after ubuntu 14.04 installation in an acer V3-572G computer

I have bought a brand new acer V3-572G computer which came with an windows installation. I erased the disk completely and installed ubuntu 14.04. I reboot and the screen displays the message NO ...
1
vote
0answers
34 views

Can't log in and can't use tty1

When I try to log in all I get is a black screen for a few seconds, before reverting to the login screen. If I try to press "Ctrl + Alt + F1" (of F2, F3 etc.) all I get is a black screen which doesn't ...
0
votes
0answers
20 views

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

i, install ubuntu 14.04 recently dual booted with windows 8.1, when bootin it i created a /home partition of the HDD and when i restarted, the grub to select win. or ubu. wasn't there. i was booted in ...
0
votes
1answer
19 views

15.04 builds fail to boot on USB

I have tried more than a dozen times to build the Startup Disk on 4 different 2GB USB stick drives, with at least 2 different downloaded images, and all get the "Not a COM32R image" when boot is ...
0
votes
2answers
43 views

I have forgotten my password to my laptop, and can't access GRUB

I forgot my password to my laptop. I know the passcode in the startup that is displayed on the bottom with white stars. But, not my actual account password. I can only use it in guest mode, and that ...
0
votes
0answers
31 views

Grub doesn't load. Tried boot-repair

Here is the log: http://paste.ubuntu.com/12114211/ I've used a live USB stick to run the boot-repair but the loader still doesn't work. I can't boot Windows 8.1/Ubuntu from the Hard disk. Win8.1 ...
3
votes
0answers
48 views

How to prevent the people from using 'e' to change the 'config' in grub?

I'm really stumped this time because, I've tried to configure the 10_linux & the 00_header the /boot/grub/grub.conf I've tried it many times, but unable to protect it with Password Please do ...
1
vote
2answers
46 views

Ubuntu and Windows boot trouble with work laptop…HELP

I'm pretty new to linux and have only had a little exposure to it. From what I've seen I really like it. What I've done is I have a laptop from my employer that I take with me on business trips. ...