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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How can I dual-boot Windows 10 and Ubuntu on a UEFI HP notebook?

I've got an HP Pavilion Touchsmart notebook that came with Windows 8. I've upgraded to 8.1, and now I want to dual-boot an Ubuntu distribution with Windows 10. When dual-booting with Windows 8.1, the ...
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0answers
8 views

Tried Installing 12.04.5 LTS

Tried Installing 12.04.5 LTS, but after reboot I get the options to Intall, Try without Installing. I attempted boot-repair and no avail paste.ubuntu.com/12209015
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1answer
10 views

System is loading about 10 min. What is comming on?

System loading take about 5-10min. Digging logs I saw: 355.672013] usb 1-2: new high-speed USB device number 20 using ehci-pci 356.012011] usb 1-2: new high-speed USB device number 21 using ...
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0answers
10 views

Server hangs on “Reaching Targeted Sound Card”

Running Ubuntu Server 15.04, and just after updating Plex, it hangs on this. It also said there was an update to do before I restarted. Is it safe to restart? And what could I do to fix this?. Thanks
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3answers
28 views

How to install Windows(8.1/10) when Ubuntu 14.04 is installed?

I want to install windows operating system on my laptop (originally came with windows, but deleted it because Ubuntu is better for me, but now I have to use Windows, because of my studies). Few days ...
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0answers
34 views

14.04 Freezes during startup

I have a Lenovo Ideapad Z710 running Ubuntu 14.04. It has an nvidia geforce gt 750M. I started having trouble when I tried to install CUDA and played around with the nvidia drivers. Now, whenever I ...
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0answers
15 views

How to install Ubuntu on Asus X550Z (with UEFI)?

This laptoop has UEFI. I can't install ubuntu on this laptop as I always did. I've removed Windows, I created bios-boot partition, turn off safe boot, used Boot-Repair and it doesn't not help.
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1answer
20 views

deleted files from boot, now can't install anything

I deleted some old kernel files from the boot partition, to try and free up some space, only to find out 5 minutes later that I should have used janitor or other appropriate program. Now I get the ...
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0answers
7 views

How to force GTX 970 to identify second display?

I have recently upgraded my system to a GTX 970 graphics card on which I hooked up my primary (HDMI) and secondary (DVI) displays. The first thing I noticed was the stock drivers not working at all, ...
0
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1answer
23 views

Grub Rescue Windows 7 and Ubuntu 14.04

I have an HP Pavilion p7 1010 with 10GB RAM that's dual booted with Windows 7 Home Premium and Ubuntu 14.04. I tried upgrading Windows 7 Home Premium to Windows 7 Professional, and it said that it did ...
1
vote
1answer
38 views

How stable/efficient is booting from a USB Stick?

I would like to not only install an Ubuntu edition from a USB, but keep the OS on the USB drive all the time. The idea is to have my private OS on my work laptop. This OS will be run only on this very ...
0
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1answer
16 views

Lubuntu 15.04 live (with 6gb persistent) don't boot after installing Intel and nvidia drivers

Before I intall them everything was normal. Now pc stuck at blue lubuntu boot screen. I am using 8 gb USB drive to boot My hdd died that's why I'm using USB drive to boot my pc (hdd unplugged) ...
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0answers
9 views

Ubuntu installation black screen everytime

I downloaded ubuntu and used the universal usb installer to put it in a flash drive. After restarting and choosing the usb from the booting menu i selected install ubuntu and after the loading screen ...
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0answers
11 views

Ubuntu 15.04 not starting

Yesterday I downloaded the software updates on both my desktop and laptop, and when I restarted my desktop it shows me a sing in menu, the thing is that I did not had that option in my desktop. and ...
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0answers
6 views

Gave up waiting for root device. Fresh Install Ubuntu 14.04.3 LTS

I really hope somebody can help me. I have a Lenovo Y580 with a 16GB msata and a 1TB HDD. My goal is to mount the root filesystem on the msata drive (os, apps, and boot) for good load times and mount ...
0
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1answer
14 views

How can i automatically login after boot up on Ubuntu Server 15.04?

I'm having trouble trying to automatically login to my server after it boots up. I have a headless Ubuntu Server 15.04 running on a vm as a build agent for TeamCity and I don't know how to ...
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0answers
18 views

Dual booting Win 10 / Ubuntu - Even after Boot Repair twice, it doesn't boot to GRUB

I have a Lenovo ThinkPad Yoga 15 and as the title says, I want to dual boot this distro alongside Windows 10. Thing is, I've been having a problem with the boot order. It always goes into Windows 10 ...
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0answers
10 views

The splash shows for a few seconds, then the screen goes black and only the animated dots show before the screen goes black again?

I followed the instructions in the previous question How to fix splash screen in all Ubuntu releases! but then I experienced the same issues http://askubuntu.com/users/205356/nolt did. The splash ...
0
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0answers
20 views

Dell Inspiron 7737 goes to black screen when opened. But not when restarted

So I recently became disillusioned with Windows 10 (froze in the middle of updating my GPU driver, then corrupted the SSD) and installed the latest version of Ubuntu. My current problem is that when ...
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0answers
10 views

Ubuntu 15.04 died when win 10 installed new boot sector

I have a gpt format disk uefi bios. I had ubuntu 15.04 and Windows 8.1 dual booting fine. Windows 8.1 would not install security updates unlessI also installed Wondows 10. Linux vanished and cannot ...
0
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1answer
42 views

Windows 7 not booting after installing Ubuntu 14.04.03

Although I use Ubuntu for my work, I am not that well-versed in its functioning, so please excuse any errors resulting from that. I tried installing Ubuntu 14.04 for the purposes of a dual boot with ...
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0answers
14 views

Unable to install Ubuntu on gigabyte 990fxa-ud3 v3.0 motherboard. Error:“unable to find a medium containing a live file system”

unable to find a medium containing a live file system Unable to install Ubuntu on gigabyte 990fxa-ud3 v3.0 motherboard :-( I tried with Ubuntu(64b) using Bootable USB stick(Universal-USB-Installer) ...
0
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1answer
20 views

Accidentally deleted boot etc, lib and bin folders (Ubuntu 14.04), need help in restoring them, if possible

Was trying to delete folders from a boot-able Linux kernel on a flash drive and accidentally deleted the folders in the Linux installation on my laptop. Is there a way to recover/ restore the files ...
1
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1answer
36 views

Windows 10 does not boot from GRUB

I have a problem. I have installed Windows 10 on /dev/sda1 an Ubuntu 14.04 on /dev/sda6. I use GRUB as bootloader but (I don't remember since when) when I choose Windows in the menu it does not boot ...
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0answers
13 views

Getting grub to detect ubuntu installation

I realize there are probably many questions about this topic already, however, I can't find a solution for my specific problem. I have an ubuntu gnome installation which I don't want to reinstall, ...
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2answers
17 views

Dual Boot Ubuntu + Win7, Low Graphics Mode, Can't Access Terminal or GRUB

So I successfully installed the latest Ubuntu 14.04 LTS alongside Windows 7 today. At first, there were no issues and everything went smoothly until I had the great idea to change the open-source ...
0
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1answer
51 views

windows 10 dual boot with Ubuntu

I am unable to install ubuntu on my windows-10 HP-laptop, through usb disk.The computer is unable to detect the USB while in UEFI mode(secure boot,fast boot turned off),but is detecting when in legacy ...
2
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0answers
22 views

How can I install Ubuntu onto a flash drive and boot from any PC using EFI?

I have been looking at Live disks with persistence and the fact that you can install Ubuntu to a Flash Drive, but there seems to be no stated way to install Ubuntu on a USB drive with persistence and ...
0
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0answers
11 views

Adding usb boot feature in bootloader in linux?

I am working on AM335x starter kit and using Linux 12.04 LTS. I am supposed to add a feature of booting the Linux OS into the board using a bootable pendrive. For doing so, some changes have to be ...
0
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0answers
8 views

Deleted Kernals, tried to update, can't do anything with full boot directory

I tried to run a backlog of updates for my ubuntu computer (lenovo T420 if that's relevant) and received a "your boot is full" message. I've had this before and decided to remove some kernals. The ...
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0answers
14 views

Trouble installing Ubuntu on a Gigabyte motherboard

So I've been reading around here about similar problems to mine but nothing helps. mainly because every one is having problems after the 15.04 update from 14.04 or 14.10. my problem isn't with ...
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0answers
13 views

“mount: wrong fs type, bad option, bad superblock on /dev/sdc1” when mounting ext4 drive

I'm trying to mount an ext4 partition on another drive so it can be mounted at login, but whenever I do, I get this message: Error mounting system-managed device /dev/sdc1: Command-line `mount ...
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0answers
11 views

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 ...
0
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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
24 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
13 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 ...
0
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0answers
41 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
31 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
17 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 ...
0
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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. ...
1
vote
1answer
17 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?
0
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1answer
86 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 ...
0
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1answer
36 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
19 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 ...
2
votes
1answer
35 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 ...
0
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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
31 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. ...
1
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0answers
25 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
12 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 ...