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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2
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1answer
1k views

Why does my Live-USB fail to boot with “Syslinux…”?

I having trouble getting to boot from a Live USB pendrive explained in Ubuntu.com website. I downloaded various ISO images and only had success in booting from Live a CD or DVD. I've gotten newer ...
0
votes
0answers
13 views

need help with hard drive

So I have installed Ubuntu on my 1 TB EXTERNAL hard drive. I also have windows on another drive (its not external). I can't boot from my external one which has Ubuntu on it. I have to go to the other ...
1
vote
0answers
114 views
+50

BusyBox on persistent USB Livesystem

I retryed to build my persistent Linux USB stick, now Ubuntu 16.04 is out. But still it boot only to a busyBox prompt when using the persitent boot entry: BOOT_IMAGE=/casper/vmlinux.efi file=/cdrom/...
1
vote
1answer
13 views

lubuntu installed, then hangs

EEE 1000HE with 2GB RAM and 240GB SSD. lubuntu desktop i386 (32-bit) 16.04 booted from the SD card. I installed to a new SSD and indicated a reboot was needed. After reboot the machine hangs with ...
1
vote
1answer
21 views

How to boot into Windows Boot Manager from GRUB?

I recently dual-booted Windows 10 and Ubuntu. When I start my computer, the GRUB operating system list starts up. Ubuntu works fine, but if I try to select Windows Boot Manager, I get an error. Is it ...
0
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2answers
32 views

Problem while booting Ubuntu

When I boot my system, I am greeted with the following message: kernel panic - not syncing: no working init found. Try passing init= option to kernel I have tried multiple times to launch Ubuntu ...
0
votes
0answers
8 views

Cloned 16.04 from HDD to SSD, black screen with flashing underline on boot

I've done every GRUB fix under the sun and boot repair to no avail. Here's the kicker though. The SSD boots fine when plugged into the laptop via a usb adapter. The issue seems to be related to the ...
0
votes
4answers
2k views

how to boot on a win 10 tablet

I recently acquired an RCA Cambio W101 V2 windows 10 tablet I'd like to live boot Ubuntu from a bootable USB ... so this isn't an Ubuntu issue but thought maybe somebody here would know: I can't ...
1
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0answers
25 views

Problem booting Server after doing apt-get update apt-get upgrade

I have only been able to get my server to boot using older kernel and have to be at the machine for startup /reboot to get 14.04. I tried boot-repair here is one text file saved - thought I had ...
1
vote
1answer
34 views

Unconvential Ubuntu Installation

WHAT'S IN NAME? I do not know the term for what I am going to describe: for the purpose of this conversation I will call it an unconventional installation. If it had a name and I knew it, I would ...
0
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0answers
53 views

Ubuntu Gnome 16.04 will not boot after making dumb changes to BIOS settings

I installed Ubuntu Gnome 16.04 after recently buying a Thinkpad Yoga 11e and it worked great when first installed. Then after I tried charging it, the screen went all checker-board/ static-y on me. I ...
1
vote
0answers
21 views

SSD got unmounted by itself while OS is running

While I was working on my laptop suddenly froze. I had to turn off and then turn it on from the button... When I turned it on I saw that my ssd isn't mounted and the OS is there.. I see this message:...
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0answers
9 views

drm:drm_edid_block_valid slowing down booting

drm_edid_block_valid is appearing a lot in dmesg, where I am looking for the reasons of my slow booting process. Here is the output: [ 13.884900] audit: type=1400 audit(1467376765.370:11): apparmor=...
0
votes
3answers
34 views

how can I force a mount -a to run after the system boots up?

Media server running Ubuntu 16.04 and Kodi. Synology NAS in the next room contains all the media. how can I get my fstab mounts working if they won't mount on bootup? -- tried switching to ...
29
votes
5answers
83k views

How to run a script during boot as root

I had a script that automatically enables my wifi without using networkmanager, but I don't know how to run the script as root while the system is booting. How do I make the script run automatically ...
2
votes
1answer
9k views

Can not mount /dev/loop0 (/cdrom/casper/filesystem.squashfs)

I downloaded 12.04.1 and md5 sum checked them and everything is good. Made a live usb and booted up... Just gets to where its about to start with the purple ubuntu loading screen then it goes back ...
1
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0answers
148 views

Ubuntu 14.04 LTS won't boot (Mount /dev/sda2 problem?)

Today my laptop which runs Ubuntu 14.04LTS will no longer boot ever since I restarted it this morning. I was SSH'd onto a server at my college campus, and put the computer to sleep. When I woke it up ...
0
votes
1answer
43 views

Grub Boot from ISO with lvm

In a simple boot procedure from an ISO image the below statements works well: menuentry "Ubuntu.iso" { set isofile="/iso/ubuntu.iso" loopback loop (hd0,3)$isofile linux (loop)/casper/vmlinuz.efi boot=...
1
vote
1answer
17 views

Where are the syslinux x86-64 files located on a booted up live medium?

I found a problem during creation of a live USB stick with a ESP to boot from. I have to populate the ESP manual. Therefor I need to copy the files from /usr/lib/syslinux/efi64/ to the ESP. Althrough ...
0
votes
0answers
15 views

Ubuntu Server 16.04 - Emergency Mode (Urgent)

I have a Intel Nuc with Ubuntu Server installed on it. Yesterday I rebooted it because there were some connection problems for the web-server (or at least that's what I thought). After that the system ...
3
votes
1answer
43 views

Can't upgrade because of kernel dependencies

I get the following error when trying to upgrade: The following packages have unmet dependencies : linux-image -extra- 3.16.0-73 -generic : Depends : linux-image- 3.16.0-73 -generic but it is not ...
1
vote
1answer
9 views

Why did grub load show up on multiple machines?

I may have seen something like this before but not recently for sure. I have 2 machines running on Ubuntu 14.04. The machines are not the same. 1 is a laptop and 1 is a desktop. One of the ...
0
votes
0answers
19 views

Ubuntu 16.04 LTS is taking forever to boot

I have been using this Ubuntu version for over 2 months. It used to boot very quickly (less than 15s).However, less than week ago it started to take more than 40s to boot (in the loading screen). I ...
0
votes
1answer
44 views

Boot on usb on a Ubuntu laptop [SOLVED]

I have laptop which from the beginning runned Windows 8, I later wiped the harddrive and installed Ubuntu 14.04. Now I want to wipe the harddrive and install Windows 10. In BIOS I have selected to ...
7
votes
4answers
51k views

Can't boot Windows 7 after installing Ubuntu

I installed Ubuntu yesterday alongside Windows 7 and whenever I start my computer I don't have the option to boot Windows. When the computer starts it goes straight to Ubuntu without giving me an OS ...
0
votes
1answer
117 views

Change runlevel on 16.04? [duplicate]

Pretty simple, I am trying to change the runlevel. Everything I find online points me to the file located in: /etc/init/rc-sysinit.conf Here I have tried changing the "DEFAULT_RUNLEVEL" to 3 or ...
1
vote
1answer
20 views

Installing Ubuntu on Intel NUC: “the partition table format in use on your disks normally requires you to create a separate”

I'm trying to install Ubuntu on an Intel NUC, and I'm getting the following error message: "The partition table format in use on your disks normally requires you to create a separate partition for ...
2
votes
1answer
16 views

Hotkeys not working

I am trying to install Ubuntu 16.04 LTS on my Toshiba Satellite C55-B5101. A few weeks ago I was running windows 10, and it froze, so I did a hard shut down. Afterwards it wouldn't turn back on. So ...
1
vote
0answers
21 views

Cant boot to ubuntu and windows after installing ubuntu in diffrent partition!

I have been told to post this URL: http://paste2.org/IDKZt061 I just installed ubuntu in diffrent partition to my windows and i cant reboot its showing me this message in a black screen: reboot and ...
-2
votes
0answers
20 views

booting issues, stuck with initramfs command

I've flashed Ubuntu 16.04 on my acer laptop after playing with elementary OS last night. No errors during installation, everything looked fine but the laptop does not boot. It's stuck on a black ...
2
votes
1answer
26 views

Booting ubuntu from USB error

Can someone help me? I have these errors when in menu I click on install ubuntu. Disp: error 7 (invalid handle) 00 [] chid 0 mthd 0088 data f0000000 4.399453 nouveau 0000:01:00.0: disp: error 5 (...
0
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0answers
31 views

Not able to install Ubuntu 16.4 in dual boot with Windows10

I already had my safe boot disable and my boot preference was :- 1. USB 2. Windows OS SO I used win32DiskImager and made a bootable USB pendrive with Ubuntu 16.4 . I also created a disk partition ...
5
votes
1answer
2k views

How to Make Persistent Live Ubuntu of 16.04?

I need the persistent live Ubuntu of preferably 16.04 because I need to rescue my whole encrypted HDD of 16.04 as discussed in the thread How do I add myself back in sudo group in Encrypted HDD of 16....
1
vote
0answers
22 views

Computer Won't Boot Anymore - 16.04

My computer (Ubuntu 16.04) doesn't boot anymore with an error message that makes no sense to me: EXT4-fs (dm-2): couldn't mount as ext3 due to feature incompatibilities This makes no sense to me ...
1
vote
0answers
15 views

Ubuntu can't be booted

I installed Ubuntu on my laptop (Acer Aspire E15) and I could load into it by pressing f12 during boot up to access the boot menu. I wanted to go into the boot menu automatically at start so I ...
0
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0answers
15 views

Ubuntu 16.04 Stuck at Boot loop after latest June 29 2016 update

Ubuntu 16.04 is stuck at boot loop. I have tried all forum thread about the discussion and none of the solution offered didn't solved the issue with the system. I have tried tty1 login and login ...
0
votes
0answers
17 views

Boot counter script not working

I'm using Ubuntu 14.04.04 I've written a simple script for storing in a file the number of times the sistem has been turned on and the time and date of the last boot #!/bin/bash file="/$HOME/bootcnt....
1
vote
1answer
5k views

error: no such device grub rescue Windows 7

I have a hard drive with Windows 7 installed on and I wanted to install Ubuntu 12.04 onto an external hard drive. So I made a LiveUSB with Ubuntu 12.04 on and installed it to the external hard drive. ...
0
votes
1answer
20 views

Run 'sudo mysql start' at boot time

I am using Ubuntu 16.04 LTS and mysql 5.6 in it. Each time after the server reboot, MySQL service is not starting automatically. I determine this by checking the directory: /var/run/mysqld/ and ...
0
votes
1answer
36 views

How to install Ubuntu 16.04 next to Windows 10

I've been trying to install ubuntu alongside windows 10 and it doesn't seem to work for me. I read a lot of tutorials on askubuntu page, but it looks like I'm missing something. I tried to install it ...
0
votes
2answers
124 views

Trouble installing Ubuntu on a secondhand IBM server

I recently picked up a secondhand IBM x365, and I want to install Ubuntu on it. I've installed Ubuntu on countless personal computers, but never before on a server. I made my bootable disc (I have a ...
0
votes
0answers
11 views

After Update, error: attempt to read or write outside disk 'hd0' Grub Rescue “ls” produces nothing

I have (what used to be) a dual partitioned Windows 7/Ubuntu Lenovo Computer, a "Think Center." I ran and installed updates when prompted by my auto-updater thingy without looking to hard at what was ...
0
votes
1answer
45 views

Did I brick my laptop?

So I just installed the new Version 16.04 on my Dell Latitude e5520 (which had linux 14 on it) and I did a clean install. After the install I closed the lid and it should have been put to sleep, ...
-1
votes
0answers
15 views

Out of Range in single board computer

I am trying to load ubuntu 12 version on my Single Board Computer PICO830 I am able to install Windows using bootable USB stick while when I try to do the same using Bootable Linux USB i am getting ...
0
votes
2answers
201 views

Ubuntu not booting from USB; No “continue” option in the installer when choosing to install alongside Windows

I have windows 8.1 installed on my laptop. I have burned Ubuntu 14.04.1 to USB. But when I restart my laptop & go to boot menu Ubuntu cannot boot from USB. I have done separate partition of 20 GB. ...
0
votes
0answers
8 views

ubuntu xenial recovery from broken /dev/mapper/ubuntu--vg-root error

I am learning ubuntu sysadmin I resized one of partitions using parted command resizepart and now I can't boot and get the error alert /dev/mapper/ubuntu--vg-root Can anyone lead me in the right ...
1
vote
0answers
20 views

I installed ubuntu, booted it but things flicker and nothing happens

I installed ubuntu 16.04 alongside windows7. I divided new partition for it, and install went well. However, when I tried to boot it and entering password for my account, everything flickers and ...
0
votes
2answers
23 views

How to set grub from second Linux distribution as default in UEFI boot?

I’m dual booting two Ubuntu Linux distributions. There was made only one boot entry for both of them: Boot000A* ubuntu Since the second one (not often used) was installed after my primary distro (...
7
votes
0answers
311 views

SLOW Boot and Login times Ubuntu 16.04

Ubuntu 16.04 64 bit taking around 20 sec from Login screen to desktop and around 20 seconds from grub to login screen, tell me which services i can safely disable, i do not use virtualbox and ...
0
votes
1answer
21 views

Unable to partition my 1 TB hard drive in 14.04

I brought Dell laptop running Ubuntu 14.04 with a 1TB HDD. I want to install windows 7 as well (dual boot). When I tried to partition my hard drive with Gparted, I am not able to drag the free space....