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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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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, ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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
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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 ...
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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
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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 ...
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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 ...
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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. ...
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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 ...
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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 ...
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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?!!!
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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). ...
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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 ...
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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 ...
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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 ...
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0answers
17 views

BIOS boots then black no sign of os

I installed 14.04 3 days ago and it worked perfectly. Then I foolishly tried to install my Monitor drivers (HP My Display-though it probably shouldnt make a difference because the BIOS config still ...
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0answers
10 views

Move USB Stick Booted from to Another USB Port after Boot

I have installed Ubuntu on 32GB USB 3.0 flash drive (not Live/Install like with UUI, but regular install including grub, from DVD). However, my motherboard will not boot from USB 3 ports, only USB 2. ...
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9 views

My server only booting on rescue mode

I have recently purchased a dedi from oneprovider everything went smooth I ordered an extra IP for the same server it was delivered, then after installing web server and control panel I performed a ...
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1answer
32 views

Dual boot Windows 7, Ubuntu 14.04 - can not load Windows

Good evening, after installing Ubuntu 14.04 as a dual boot with till now working windows 7, I can not boot windows. When I try to, a black screen appears and tells me to insert the windows ...
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0answers
12 views

Slow SO loading with SSD (40secs)

I've just installed Ubuntu 14.04 and I don't know why but the system loads really slow with a SSD Crucial 240GB. I've checked dmesg but I don't know to understand what the trouble is, can you give me ...
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0answers
15 views

Problems in creating bootable pendrive with Windows 8.1

I have already tried to use solutions from: How can I create a Windows bootable USB stick with Ubuntu? but non of them works in my case. While using WinUSB installation progress stops at 'installing ...
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1answer
26 views

How do I recover Windows 7 on my Grub menu, Ubuntu 14.04

I duel boot Ubuntu 14.04 and Windows 7 (Windows being installed first) and a couple days ago I jumped on to Ubuntu to check for updates and after it updated, I found that the Windows option had ...
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0answers
22 views

VESA: Intel® Sandybridge/Ivybridge removal

I accidentally installed very outdated drivers, I have been tricked into installing this old graphics driver and I need the original default drivers the computer came with! I really need help with ...
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0answers
21 views

How to load a different version of linux kernel?

I am currently using ubuntu 14.04 with the kernel 3.13.0-37-generic, I want to try booting from another kernel 3.17.01 (latest stable release). I have downloaded and built the 3.17.01 kernel from ...
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0answers
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Ubuntu BusyBox initramfs Error 14.04

Suddenly after shutting down Ubuntu and when reopenning, I get prompted to one shell of BusyBox. I only had a set of options in help there. I tried to follow this solution: Boot drops to a ...
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0answers
41 views

Can no longer boot into Ubuntu Touch on Nexus 7

I had installed Ubuntu Touch on a Nexus 7 (2013), and all was working reasonably well. I believe I clicked on something to upgrade the system, and then it no longer booted -- just get a small ...
0
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1answer
30 views

Computer boots automatically into GNU GRUB, no other options

Currently, when I start my computer, this screen is shown. I do not have any other options, it boots into this within a second of starting my computer. I used to have Windows 8.1 dual booted with ...
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0answers
18 views

partclone.restore: progress report goes out of box [on hold]

I am running partclone.restore using the "-N" option, which draws progress in a dialog-like box. If I run this command within the autorun of systemrescuecd (4.3.1), then part of the display text goes ...
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1answer
17 views

Boot to external hdd from a UnetBootin usb key

I have an external hdd with multiple operating systems on it (Ubuntu, Centos, etc). On newer computers, the drive is recognized as a USB HDD and I can boot it directly just fine. However on an ...
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0answers
30 views

Tried to return to windows after installing ubuntu and got stuck at “no such partition entering rescue mod”

The question is quite complex. I've tried to install Ubuntu 14.04 from a USB on my PC which had already been running Windows 7. Initially the Ubuntu installer didn't detect windows OS, so I've made ...
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1answer
32 views

Windows 7 Ubuntu incorrect installation

While using my laptop to install Ubuntu onto a USB Hard Disk I mistakenly installed the Boot directory onto my Laptop C: Hard Drive. Now my laptop will not Boot into Windows and gives the the Grub ...
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1answer
32 views

is my computer infected by suckit? [on hold]

The last time a similar question was asked was when ubuntu 10 was current. so hope asking it again will get a fresh perspective on this question. My system running kubuntu 13.10 beta 2 also shows ...
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can i use kindle fire hdx to put ubuntu on my 32 bit ibm thinkpad? [on hold]

Can and if so how can I use kindle fire HDX to install ubuntu to my 32 bit ibm thinkpad. Thanks guys, respect.
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0answers
27 views

Start weblogic server automaticallly when ubuntu reboots

I have to restart the weblogic server every time ubuntu reboots by running scripts like startWeblogic.sh and nodeManager.sh. I wanted to automate this process by using rc.local file but it doesn't ...
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0answers
16 views

how to run checkdisk before boot de system?

i'm a begginer, i'd like to know the best opcion for run checkdist in linux before run de Operative System, because my OS stays in a loop, i want to check the disc