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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0
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1answer
140 views

Freezing of screen on Ubuntu 16.04

I have recently installed Ubuntu 16.04 and it seems to freeze randomly. I tried to check out the the solutions at Ubuntu 15.10 and 16.04 keep freezing randomly but on installing these kernels, I got a ...
1
vote
1answer
79 views

14.04LTS not booting, ..timer error

I recently got given an old server from a friend, and have been attempting to set it up as a plex media server. So I installed Ubuntu Server 14.04LTS (Long story short, 16.04LTS and the server GPU ...
1
vote
1answer
18 views

How to set noapic and pnpbios=off parameters for boot

I have a weird laptop, that, long story short, must have these 2 parameters set for it to boot: pnpbios=off noapic How to I tell grub to utilize these every time it boots?
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0answers
31 views

Dual boot error: this computer has only 0 bytes disk space remaining

Trying to add Ubuntu to Windows 10 on my brand new laptop. I use a ISO-based USB created with Rufus 2.10. However, every time when I try to install Ubuntu it crashes and returns "this computer has ...
1
vote
0answers
21 views

How to install Ubuntu16 into a system with console as the only display

I'm trying to install the Ubuntu16 into my embedded system. But my system only has serial console as the display output so ordinary methods seems not work. Is there a special image or a special tool ...
0
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3answers
50 views

How to create a bootable USB stick on a Apple Macbook

Can I create a bootable USB stick using an Apple Macbook? Then can I use that stick to upgrade a windows PC to a ubuntu version.
0
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3answers
67 views

How to increase my /boot partition size in Ubuntu 16.04?

I am trying to increase by /boot as it has reduced the capacity to install new updates. The partition details are given below: enter image description here Please suggest me a way to increase the /...
0
votes
0answers
12 views

Logged out once now it's not logging in

i was trying to make pendrive bootalbe to install windows 8.1 but due to some issue it didn't worked and so it mashed up so I was going to shut down my laptop but laptop was not shutting down so i ...
0
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0answers
18 views

Lost Password Ver 14.01 LTS

Tried the suggestions in the thread "How do I reset a lost administrative password?" and when I get to recovery menu and select "root" I do not get a command line that says "Give Root Password for ...
0
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0answers
34 views

16.04 - Unable to reboot system on Raspberry Pi 3

System successfully boots at first time, asks to change password but when I try to reboot it, it says No init found. Try passing init= bootarg. /script/panic/plymouth: line 18: /bin/plymouth: not ...
0
votes
1answer
38 views

apply MacBuntu Boot-screen/Splash in ubuntu 16

after installing the macbuntu transformation pack for my ubuntu 16, when i boot my computor, the MacBuntu Boot-screen/Splash does not come. the apple logo does not show and i dont know why
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0answers
20 views

Laptop loads to black screen intermittently when booting from Ubuntu 16.04 live USB

My hard drive got busted, but since I only need to access a browser for most of my work, I decided to wing it by using a live USB. Unfortunately, there are some problems related to the screen. The ...
0
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0answers
17 views

How to modify kernel parameters without causing Kernel panic on OS

This is not a duplicate question of kernel parameters, i already cause a kernel panic on my ubuntu 14.04 distribution trying to improve the performance of Nginx and postgresql, i just want to know how ...
0
votes
0answers
12 views

I crashed /dev/mapper partition using dd to another partition

I have a recently installed server with three disks: 1TB, 2TB, 1.5TB. I installed Ubuntu 16.04 LTS onto the 1TB disk /dev/sda and then tried to mirror that disk onto the 2TB /dev/sdc $ sudo dd if=/...
0
votes
0answers
36 views

Enabling UEFI Secure Boot After Installing Third Party Driver

After a recent upgrade in Ubuntu 14.04, my wireless card (Broadcom) stopped working. After much research, it became apparent that my laptop's UEFI secure boot needed to be disabled due to a change in ...
1
vote
1answer
24 views

Software and USB partition format for creating a bootable USB with Ubuntu on it, on a Mac?

This is my first Linux system, and I'm on a Mac running OS X 10.10.5. I used these steps for downloading Ubuntu, but at Step 5 my USB was just not listed at all. I also just tried using the ...
3
votes
0answers
87 views
+50

Can't get out of console mode. Screen dies after 10 minutes

A single-board computer (Lubuntu 15.10, kernel version 4.2.0-41-generic) kept freezing when running various applications, most importantly the automated data acquisition application we are developing, ...
1
vote
1answer
13 views

Change the default background that fades from

Whenever I start Ubuntu there is always the default purple background that then fades to my custom desktop background. How do I remove/change it?
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0answers
22 views

Can't Install Ubuntu 16.04 LTS, GPU Issue

I'm trying to install Ubuntu as my first distro ever, but it will not work. When I go to install it from my USB a few different things happen. I either get a black screen that keeps blinking, walls ...
6
votes
2answers
183 views

Disable snapd.refresh.service on 16.04 to speed up boot (no snap packages in use)

I run Ubuntu 16.04 but never installed any snap packages, at least not that I would know of any. Here are my slowest processes at boot: $ systemd-analyze blame | head 9.057s snapd.refresh....
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0answers
26 views

hd0 read error on boot

My computer was hanged while it was shutting down and I had to hard reboot the system by pressing the power button. When the system booted back I got the message error: hd0 read error and the ...
0
votes
0answers
14 views

Dual-Boot Ubuntu/Win7/ (Ubuntu was installed first) Updating Ubuntu version to latest Format C [closed]

I have a Dual-Boot Ubuntu/Win7/ System on my old laptop, with Ubuntu installed first, I then updated and edited my version to a text-only Linux-based version, for some reason... Now I need to Update ...
1
vote
2answers
42 views

Accidentally deleted current kernel [duplicate]

I've been very stupid and while trying to free space on /boot, I think I've accidentally deleted my current kernel. How it happened: >>uname -i linux-image-extra-4.4.0-24-generic now uname ...
0
votes
1answer
30 views

Permission Denied updating grub as root

I bought a MSI laptop recently and I struggled to install Ubuntu. Now I have it installed and I have two problems. One of the is that I need to modify the grub file but when I try(update-grub) it ...
0
votes
0answers
7 views

Lubuntu/Ubuntu 14.04.4 no longer works with casper-rw file on same HDD

We have been using Lubuntu/Ubuntu as a LiveCD image placed on a HDD formatted with ext3 file system. In the root of the file system we place a casper-rw file formatted for ext3. The casper-rw file is ...
0
votes
1answer
32 views

No option to boot Ubuntu in GRUB

let me first say, I'm am recently learning ubuntu. I had it install and everything was fine. I was trying to find a file that udev should have generated but could not find it. I ,dumbly, uninstalled ...
0
votes
0answers
39 views

Realtek RTL8191SU USB wifi connects only after unplug-replug post booting Ubuntu 16.04

Realtek RTL8191SU USB wifi dongle does NOT auto connect on start up since upgrade to Ubuntu 16.04. Auto connects post unplugging and replugging dongle into usb port. Issue only occurs on booting/...
0
votes
0answers
6 views

LAN not working for 2nd OS of 2nd HDD

I have two HDD. Let me tell you more correctly. I had one HDD where win8.1 was installed and was working fine. Now I connected 2nd HDD in different SATA port but the problem is after installing the ...
0
votes
0answers
38 views

14.04 Installer crashes after selecting “install alongside Windows 8.1”

I'm attempting to install Ubuntu 14.04 LTS. After booting the DVD and selecting "install Ubuntu", it gives me the option of installing alongside Windows 8.1. However, after selecting that option and ...
0
votes
0answers
16 views

Ubunutu 14.04 HDD won't boot from from another computer

I installed ubuntu 14.04 on a computer and then i moved the HD to my new computer, the OS won't boot but when i boot from Live USB Stick the OS recognizes the HD and the files. What can i do to make ...
0
votes
0answers
12 views

SD card and USB error reg in ubuntu12.04

I have downloaded some BSP package regarding my embedded computer and The linux os booting on the hyper terminal and now I am trying to boot up onboard/SD card boot up for that I am trying to write ...
-1
votes
1answer
32 views

Emergency mode! Can't boot

Suddenly I'm unable to boot Kubuntu! I get kfd kfd errors and GNU GRUB. I'm currently in the Recovery Menu but unsure if this is what I should be doing. How do I boot normally again?
0
votes
1answer
23 views

can't partition hard drive correctly during installation

I want to install ubuntu to my pc which has windows 7 already installed. My windows has 3 partitions C:, D: and E:. During Ubuntu installation i want to delete my C: and D: drives and install ubuntu ...
1
vote
0answers
13 views

“No controller found” message during boot just after GRUB

The last 6 months have been a saga with my main computer, and as a result the motherboard, one of the processors, and the video card have all been replaced under warranty. I've just got it running ...
0
votes
0answers
26 views

16.04 hanging on boot up 2016 Razer Blade

I recently purchased a 2016 Razer Blade and want nothing more than to use Windows as little as possible. However when booting to Ubuntu live USB it hangs on this. I've never run into this problem ...
0
votes
1answer
15 views

How can GRUB access initramfs file if its stored in RAID

I am reading about how boot process in Linux works and just cannot understand one thing: If GRUB is the one who copies initramfs into memory and only after that init process starts (which is then ...
0
votes
1answer
41 views

Usb flash drive doesn't show up on Bios Boot Manager

I'm having some troubles with reinstalling ubuntu on my Acer Aspire E15 laptop. I made a bootable usb with Ubuntu Server on it. If I try to boot it in UEFI mode (the mode that I've already used to ...
0
votes
0answers
34 views

A dual booted windows with ubuntu doesn't load. How to make it work?

I have been using Ubuntu 14.04. I couldn't hibernate my system so I created a live bootable flash-drive and created a swap partition twice the size of my RAM and a 500Mb more just in case. The part of ...
0
votes
0answers
19 views

Device Not Found - GRUB rescue

Sorry if this answer is already out here somewhere...I've been trying numerous 'fixes' found here, but nothing is working. Here are the details: I installed Ubuntu Linux LTS on my PC. I have two ...
0
votes
1answer
28 views

HP Pavilion X2 10: Cannot boot Windows 10 efi [closed]

I have this new model of detachable HP Pavilion X2 10 (n182ng). I am not able to boot into USB installer for Windows 10. I downloaded iso from Microsoft site and copied onto pendrive using Disks ...
0
votes
1answer
27 views

Ubuntu 16.04 LTS live boot same as install?

I am planning to buy a cheap pc for school, and was thinking about installing Ubuntu 16.04 LTS on it. I am not sure if it actually works, so I was planning on testing it with a live boot before ...
0
votes
0answers
5 views

Accidently wiped out Windows 8 installation, now cant install windows 8 from USB [migrated]

I've installed ubuntu 14.04 in my machine and accidently wiped out all the windows related date, now the hard disk is showing as a one big partition, Then I tried to create a bootable USB drive and ...
0
votes
2answers
28 views

usb stopped working after making it a bootable device

My usb is not being detected after making it a ubuntu bootable device.. the second time when I tried to install it on my hard, disk my hard disk stopped working. The hard disks light turns up but its ...
0
votes
0answers
20 views

Error Unknown File system

After deleting the lubuntu partition and reboot my pc. i got into grub rescue I tried to do ls I got (hd0) (hd0,msdos1) (fd0) I try this commands set root=(hd0) set prefix=(hd0)/boot/grub but when ...
1
vote
0answers
111 views

Ubuntu 16.04 slow boot (apt-daily.service)

Yes i know there is already a question with similar title , but mine is a little different . My boot is horribly slow ,i don't know why. This output from my terminal might help. ashwin@MS-7327:~$ ...
0
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0answers
19 views

How do I tell the boot loader where grub.cfg is?

I have 4 partitions on my boot drive: /dev/sda1 which has Ubuntu 12.04, /dev/sda3 which has 15.10, /dev/sda4 which has 16.04 and which is big, and /dev/sda5 which has 16.04 and is small. When I boot, ...
0
votes
0answers
31 views

Failed to start Apply Kernel Variables

i am using ubunto 16.04 and have this problem for about a week now, when ever i boot linux, or shut down linux, i get an arror message "Failed to start Apply Kernel Variables" which directs me to see ...
0
votes
0answers
11 views

Blank screen while Ubuntu Boot on acer 4738z laptop

Hi i just install latest version of ubuntu on my test laptop before installing it on my main laptop.. my test laptop is acer aspiron 4738z. it run on Intel Pentium P6100, 2Ghz dual core with 3Gb ddr3 ...
0
votes
0answers
22 views

Install failed, can't boot [closed]

I tried to install lubuntu on my computer from a usb stick but it failed for some reason and said it can't send report for some reason. Now when I turn on my computer it doesn't find anything to boot ...
0
votes
1answer
34 views

Ubuntu won't boot when choose “Try Ubuntu without installing”

I'm trying to install Ubuntu 14.04 to my PC's HDD which has ASROCK's UEFI and windows10 already installed on an SSD. I know there are some problems with installing Linux distributions on UEFI ...