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
12 views

i have to enter the boot option and select ubuntu in UEFI everytime i boot into ubuntu

i just installed ubuntu 14.04. everytime i boot my laptop(dell inspiron 5423) i have to enter the boot options and select ubuntu in UEFI options. how can i make it boot normally?
0
votes
0answers
11 views

Boot to GNU GRUB and stops

Please read this as coming from a complete beginner. After several months of pleasure using xubuntu why does my machine suddenly decide not to boot but go instead to the GNU Grub screen and ...
1
vote
1answer
8 views

Battery not detected, /proc/acpibattery empty even it is present

I'm using Ubuntu 14.04 and it is fully up-to-date. But the battery of my laptop is never detected. There is no battery icon on the top bar, the /proc/acpi/battery is empty. I've tried to remove the ...
0
votes
2answers
15 views

Installing Ubuntu on Dell Inspiron 15 3521

I purchased a Dell In 15 3521, and i am trying to install Ubuntu. but it was not installing Could you tell me what i have to do?
0
votes
0answers
25 views

How to install Windows 7 over ubuntu from win 7 iso

I'm getting a new computer build soon and I figured I'm going to install Windows 7 so I can play some of the games I enjoy that are not compatible with Ubuntu; once I were to get Windows 7 installed; ...
1
vote
0answers
8 views

Why does each update remove vital boot files?

Everytime I update, the most recent being Trusty Tahr, I always end up having to completely reinstall Ubuntu with a usb. Everytime I get told that certain boot files are missing. Why does this keep ...
1
vote
1answer
12 views

Why won't my system boot off of a partition that I just transferred the Ubuntu install image to using the dd command?

I have a drive that I would like to install Linux onto, for eventual use on another machine. I want to bring the Ubuntu installer image onto a 20GB partition, and then boot into that. When I boot ...
0
votes
0answers
21 views

Problems installing Ubuntu in UEFI system

I am having trouble booting into my HDD, where I have installed Ubuntu as described @help.ubuntu.com/community/UEFI I have attempted to utilize Boot-Repair to no avail. Here is my link pasteurl link: ...
0
votes
0answers
16 views

Grub will not boot win7

Ubuntu 14.04 will not dual boot. Boots directly to Ubuntu. I tried repairing windows with win7 startup disk (bootrec /fixboot) and it appears the start up files were placed on the beginning of the ...
0
votes
0answers
10 views

Gave up waiting for root device (and cannot find drive from usb live)

I am seeking help for a typical problem for which I have tried many solutions. The typical problem is the Gave up waiting for root device. Common problems: - Boot args (cat /proc/cmdline) - ...
0
votes
1answer
28 views

Moving /boot to a usb key

How do I move the existing /boot partion of a 14.04 root encrypted installation to a usb key?
0
votes
0answers
10 views

Grub not booting anything

Lenovo g505s with 8.1 per installed Amd a10 processor with 6 gb or ram and 1000tb hd My files are backed up to an external had or sitting in the cloud so that's not really a problem. Shut off secure ...
0
votes
0answers
9 views

Alienware 17 + Ubuntu 14.04

Unable to CD boot Ubuntu 14.04 on (new) Alienware 17. My guess is graphics card issue. AMD Radeon R9 M290X. Any advice? Thanks.
0
votes
0answers
12 views

When installing Ubuntu, can I use the dd command to copy the image to my 1TB hard drive for subsequent insertion into another machine?

Typically people are installing Ubuntu using a USB drive or burned DVD, but I don't have these. I would rather just go with installing to the destination hard drive itself, make it bootable, and ...
-1
votes
0answers
12 views

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

I was attempting to dual boot,many attempts actually, but all failed,and I think I ended up changing some settings in the BIOS I think, whatever it is, I think I disabled something that can open the ...
1
vote
0answers
13 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 ...
1
vote
2answers
20 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
13 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 ...
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
0answers
9 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
58 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
0answers
16 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
19 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 ...
-1
votes
0answers
15 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
14 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
14 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 ...
-1
votes
0answers
9 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
23 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
1answer
10 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 ...
-1
votes
0answers
16 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
28 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
22 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
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. ...
0
votes
1answer
24 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
1answer
36 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 ...
-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
20 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
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
0answers
27 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 ...
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 ...
0
votes
0answers
18 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 ...
0
votes
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. ...
0
votes
0answers
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 ...
2
votes
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 ...
0
votes
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 ...
0
votes
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 ...
2
votes
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 ...