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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I have osx needing 'legacy' boot and linux using efi can I set up osx for efi boot?

I have osx needing 'legacy' boot and linux using efi can I set up osx for efi boot? At present I can boot either linux or an efi-booting windoze10 install, but to boot into osx I have to first enter ...
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1answer
11 views

Booting up - Can't get my Toshiba portable hard drive to load up - no icon visible?

When I try to load my portable hard drive to back up - it does not load. It looks and acts likes it is being read ie the light flashes - then the light is fixed and no icon appears on screen.
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1answer
26 views

How do you force start ubuntu on Macbook Pro

My MacBook stopped running LION OS so i decided to install Ubuntu on it. I followed the steps set out (see below) and got Ubuntu working well for a few days. Then it would not boot past the famous ...
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0answers
16 views

Xubuntu black screen after install (restart) HELP

I've never used this OS or anything like it (we all have to start somewhere) Ok, old laptop, nothing special. Have managed to format drive and install xubuntu (after multiple attempts) but as it ...
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0answers
43 views

Having trouble dual-booting Linux (Ubuntu 14.04) with Windows 8.1

I would like to dual boot Ubuntu 14.04 for a software development environment, but I would also like to keep Windows 8.1 and my programs / media on a partition because I enjoy playing some ...
0
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1answer
33 views

Dual Booting Linux Distributions

So I decided I want to build my own LFS system on the same drive of my Ubuntu partition. I want to mount the LFS system but I do not know where the proper place to mount it at. Should I mount it as / ...
0
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1answer
23 views

After `apt-get upgrade` mdadm won't auto-assemble RAID at startup

After a simple apt-get upgrade, mdadm won't assemble my intel raid anymore automatically. This leads to fstab entries not being mounted and so the startup fails. I'm dropped into a recovery shell ...
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0answers
19 views

I bought a new laptop and would like to know how to install Ubuntu on it [duplicate]

I am buying a Lenovo z50, which comes with Windows pre-installed. I want to install Ubuntu. I am new to Linux and am basically a home user. Please guide me (preferably step by step) how to install it. ...
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1answer
27 views

Cannot see Boot Screen on Ubuntu 15.04 running on Virtualbox

I have installed Ubuntu 15.04 on my laptop. Inside that, On virtualbox i have installed another ubuntu 15.04. I see the ubuntu logo during the boot on the host but on the guest I see the message ACPI ...
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0answers
9 views

does LVM installation erase windows which installed earlier

i installed Ubuntu in LVM installation and when i restart my computer there is no boot menu there is no windows 8. how can i fix this? and does Lvm installation erase windows 8?
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1answer
119 views

'Upgraded' to Windows 10 on dual boot, and can't boot to Ubuntu partition

I recently updated my windows 7 to 10, and destroyed grub in the process. I ran Boot-Repair on a live CD and managed to get the Windows Partition back. However grub still doesn't come up for me. The ...
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1answer
45 views

from Windows 10 to Ubuntu issues [duplicate]

Good evening, I confess, I'm a begineer. I've just heard about Linux and wanted to try it on my just turned Windows 10 PC. wubi and Windows 10 Yet, I met a first issue with wubi which told me ...
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0answers
30 views

Grub menu not being shown after installation of kubuntu 15.04

I am using windows 10 ( upgraded from 8.1 ) and I installed kubuntu 15.04 using a bootable usb. I installed this into sda5 with 40GB capacity. I also created a swap partition of 8GB. After ...
3
votes
1answer
50 views

Systemd is really slow in comparison to upstart

I have been using Ubuntu for a long time now, this is what happened when I use: Systemd: It performs really bad using systemd: it uses 95% of the CPU all the time and the PC gets really hot. Also it ...
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0answers
24 views

Ubuntu 12.04 32bit [duplicate]

When I login using credentials , the desktop screen doesn't load after waiting for some time. I have tried using commands sudo apt-get install ubuntu-desktop unity and also tried sudo apt-get ...
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0answers
32 views

Ubuntu unbootable without usb and usb partition umountable

I have an external 500 GB usb hardrive and my computer runs the latest ubuntu mate (15 64 bit). My computer can't boot into Ubuntu without the hardrive attached error dev/sdb no medium found is shown. ...
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0answers
26 views

cryptsetup: cryptsetup failed, bad password or options?

today ,i installed ubuntu 14.04 on my laptop running windows 8.1 using Universal-USB-Installer-1.9.6.1.exe. When i finished the installation, i was asked to reboot. I did so but the passphrase wasn't ...
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0answers
14 views

i install ubuntu14 on atom z3735e tablet but don't boot HELP ME

i install ubuntu 14(no dual boot) on my tablet with atom z37353 but don't boot:a message say boot failure. the system is 64bit because it function with efi mode adding bootia32 file. the guide said ...
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0answers
18 views

When attempting to install Ubuntu 15.04 keeps rebooting into installation

When I try to install Ubuntu onto some old hardware I had lying around I encountered a problem. I can't install from USB, dont know why it just doesn't get recognized as a bootable device, DVD doesnt ...
0
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0answers
23 views

Lubuntu 15.04 installed on USB won't boot on a Hewlett HP 20 All-in-One PC

I am a basic user and this is my first time trying to install Lubuntu 15.04 64 bit onto a USB from a CD. Installation went okay and when asked to reboot it booted up again without a problem. Then I ...
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0answers
32 views

Boot to black screen Ubuntu 14.04

I installed Ubuntu 14.04 and after it finished installing it asked me to reboot the computer. I attempted the reboot, but it sent me to a black screen, no cursor or anything. I turned it off and when ...
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0answers
15 views

Could not find kernel image kernal isoliunix/isoliunix.cfg

Since last 5 hours i get tired when i trying to install ubuntu through my flash memory and finally i surrender i trying all the solution in the google but nothing work i download Ubuntu 14.04.3 LTS ...
0
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1answer
22 views

Dual-booting Windows 8 and Ubuntu with UEFI on two separate drives?

I've already installed Windows 8 in UEFI mode and it is currently running off of one SSD. On another SSD, I want to install Ubuntu GNOME. Is there any sort of special configuration or setting I have ...
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0answers
22 views

Installing Ubuntu 14.04.1 on usb3.0 pendrive with swap,tmp,var,etc folders on ssd

I want to install Ubuntu 14.04.1 on USB 3.0 (SanDisk Extreme 16GB) pen drive but want to keep /var, /etc, /opt, /tmp on SSD as my Samsung 850 Evo 250 GB is relatively new and until now only 2 TB has ...
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0answers
55 views

Problem installing Ubuntu 14.04.3 on a 64GB flash drive-won't boot properly

I have thrice tried unsuccessfully to install Ubuntu 14.04.3 on a 64GB flash drive in the "use entire drive" mode. I set it for automatic logon during the install and gave it a password. When I try to ...
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0answers
20 views

Can't boot Ubuntu, but Debian can, help me please!

I am having problem with boot Ubuntu or any other Ubuntu based OS. After installation is complete I am stucked at black screen. Tried to change grub, activating graphics from additional adapters via ...
0
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0answers
26 views

Grub Rescue after installing Elementary OS Freya [migrated]

I used to dual boot windows 10(recently upgraded from windows7) and elementary os luna. Windows is installed on my C drive, and Luna was installed on a partitioned D drive (i splitted 100GB for ...
0
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1answer
38 views

Hoy do I get my data from Windows 8 back?

I had Windows 8 installed in my HP-PC when I proceeded to install Ubuntu 14.04 to run alongside it. My PC has a 2TB hard drive where Windows 8 and all my data was installed. In order to make the Linux ...
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0answers
36 views

Ubuntu live disk stop halt in the boot process

I have just bought a new ASUS laptop for my son. It have pre-installed Windows 8.1. I made my usb-live stick as I use to and tried install ubuntu. It use to be simple. I switch off fast-boot in bios ...
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0answers
19 views

Stuck in grub rescue (error: invalid arch-independent ELF magic)

Well, I fiddled a bit with my partitions, now my computer wont boot. I get this message: error: invalid arch-independent ELF magic grub rescue> set gives cmdpath=(hd0) ...
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0answers
35 views

My Acer C720 all of a sudden won't boot my ubuntu install

I have a Acer C720 Chromebook. I was on Ubuntu. I rebooted, and I pressed Ctrl-L for Legacy Boot. It showed the bios screen. It said Booting from hard disk... and didn't do anything else. ChromeOS ...
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1answer
27 views

“Signal Over Range!!” and grub/update doesn't fix

3.19.0-26-generic #28-Ubuntu T 01:05.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RS880 [Radeon HD 4200] Hercules ProphetView monitor This is a server, with no x-windows or ...
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0answers
31 views

Grub Rescue with no Linux type OS ever installed…by me [closed]

Clean install of win8 on a new device that was subsequently hacked. Upon receipt of a new computer and attempted to do a clean reinstall of win8, it would not install on the msata on which it ...
0
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0answers
19 views

fastboot does not detect my nexus 4 lolipop 5.1.1

adb devices works fine when phone turned on however in bootload mode fastboot devices does not recognise device I have downloaded with the following package sudo apt-get install phablet-tools ...
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0answers
24 views

AMD discrete graphics unusable on a MacBook Pro 8,2

I have installed Ubuntu 15.04 on a MacBook Pro 8,2 with a proper EFI single boot. All works like a charm and the boot process is really fast, I'm really satisfied. I have only one issue: I can use ...
0
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0answers
26 views

Can't dual boot!

Today I tried to dual boot Ubuntu with Windows 7 Ultimate which I already had installed. I downloaded a program to boot Ubuntu directly from a flash drive. My first try was with version 14.04.3. The ...
0
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1answer
29 views

Ubuntu OS gets lost in dual boot another one is Windows 8.

I have windows 8 install in my primary drive and I have started to install ubuntu on my next drive. I am new to ubuntu family. All thing were going right as I was using both my OS. I was also studying ...
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2answers
72 views

How to paste the text selected from gui mode after switching into cli mode?

I have set up ubuntu-14.10 to boot up in text mode (cli) and I start gui with the command sudo service lightdm start then toggle between gui and cli mode with Alt+ctrl+F1 (to get into cli) and Alt Gr ...
0
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0answers
32 views

hd1 cannot get C/H/S values

Ok, I know there are many questions about this topic, but I can't found a convince answer (fixing the problem or not). Recently I bought an SSD drive and installed in main SATA (hd0), I've replaced ...
0
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0answers
44 views

Ubuntu 14.04 cannot recognize my windows nor my hard drive which my windows is installed on

I downloaded Ubuntu 14.04 and was working fine with windows 7 along side it. Then I wanted to get rid of Ubuntu so I deleted the partition that Ubuntu was installed on in windows. (There were two ...
0
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1answer
31 views

I deleted my ubuntu partition (win8 dual boot) without first resetting my uefi boot settings. How can I recover my laptop from grub2.02?

When I turn on my computer, I see the grub2.02 command line. It says "GNU GRUB version 2.02~beta2-15 Minimal BASH-like editing is supported. For the first word, TAB lists possible command ...
0
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1answer
30 views

14.04 booting issues after install

after installing 14.04, the system will not boot. This is not a dual boot set up. I have reinstalled and tried everything that i can find on line to be honest. This isn't the first time I've ...
0
votes
1answer
26 views

Unable to boot computer

Ok, so I have a Dell XPS that I bought around 2011. About two weeks ago, it started behaving strangely during the boot load. First of all, it makes some weird clicking noises. When that happens, I ...
0
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0answers
7 views

One drive removed from RAID5 each restart

After almost each restart my RAID 5 array is being degraded. Very suspisous thing I found in dmesg Log First SDA and SDB logs can be found, Then MD0 - without SDC and then SDC. What can be a ...
0
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0answers
19 views

Invalid ROM Contents - new install

I am trying to install Ubuntu 14.04 from a CD over Windows Vista. I recently had a GPU failure on this machine, and while I was experiencing those problems (that made the computer unusable) I ...
0
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1answer
31 views

Ubuntu not starting, can I at least remove it? [duplicate]

Yesterday I installed Ubuntu in dual-boot with Windows 8.1, it worked fine, maybe I touched something that I shouldn't have, but now if I start Ubuntu in the GRUB I get the ubuntu logo and then a ...
0
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0answers
23 views

I can't boot Ubuntu from my USB stick?

it's my first time using Ubuntu and I'm an absolute beginner in computer programming. I downloaded Ubuntu and used the Linux USB installer to put in onto my SanDisk Ultra USB 3.0 16GB. I'm using an ...
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0answers
13 views

Boot from DVD by grub to install windows [duplicate]

how i can boot from dvd to install windows behind the Ubuntu by Grub?
0
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1answer
27 views

Is there a problem with the compatibilaty of my chipset?

I've recently built my own PC and i want to run Ubuntu on it. however when i try to boot ubuntu from my usb drive it says: ACPI PCC probe failed I tried installing with nomodeset and the install ...
0
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1answer
26 views

Login prompt no longer on external display

Been experimenting with Ubuntu on my Toshiba Satellite U500. Using an external display (AOC 23" LCD) as primary. For the first 20 or so boots, the Ubuntu 15.04 login prompt appeared on my external ...