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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Ubuntu 15.10 stuck in loop at splash screen after update

I have a recently updated my ubuntu 15.10 pc (using the default system application) and now I am stuck at splash screen: message before looping With the previous messages looping on and off. I can ...
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14 views

Boot Failure, ubuntu 16.04.1 LTS, HP Envy Notebook 15-ah100na, AMD A10 Radeon 6

intro: i am a linux (and ubuntu) newbie and i am having serious trouble getting ubuntu to run on my HP laptop, despite having apparently successfully installed alongside pre-installed windows 10... ...
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1answer
62 views

No wifi and can't enter BIOS, nor bootable with any kind of USB after installing Ubuntu

Asus K401UB, Intel Core i5 6200U, nVidia 940M with Ubuntu 14.x.x was upgraded to 16.04. The screen lit up:- Ubuntu at your service! Issues include: Wifi does not work Unable to select / enter BIOS ...
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11 views

Disable out-of-the-box Fan Control in Ubuntu

I am having issues with the out-of-the-box Fan Control in Ubuntu. After about 2 minutes after booting up the laptop, the fans start spinning on full speed. I tried Debian too, but there this didn't ...
2
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1answer
11 views

Can't boot from clean install

I've recently been having trouble booting my computer. I tried to re-install some NVIDIA drivers after an update broke CUDA and led to some poor video performance. However that led to some conflicts,...
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0answers
6 views

Ubuntu 16.04 LUKS passcode does not appear

I installed an encrypted version of Ubuntu on my PC. If I start my computer appears this login screen: I'm unable to type in the passcode. Nothing appears. Also if I type in the correct passcode and ...
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0answers
9 views

Windows 7 screen does not shows after dual booting of my Dell Inspiron 15 3542 Core i3 Laptop

I recently tried to dual boot my Dell Inspiron 15 3542 Core i3 laptop (64 bit) using Ubuntu 16.4 which already had Windows 7 on installed. The process of dual booting completed successfully but when ...
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0answers
8 views

Systemd can't analyze kernel boot time?

Is there a way to make systemd plot kernel module times or be aware of Kernel time information? dmesg isn't horrible but I would appreciate something that point me less details like only modules time ...
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26 views

Ubuntu restart works fine but shutdown does not?

Why does my Ubuntu not shut down properly? My Ubuntu restart works fine but shutdown does not properly. I modified the grub like this: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash reboot=pci" My ...
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0answers
16 views

New install from cd kernel offset disabled-vfs:unable to mount root fs

I am trying to install Ubuntu on a old PC with amd processor and 60 GB ssd. Ssd is unallocated now (deleted the partition using windows) and i get the message irrespective of option I choose install ...
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0answers
11 views

Ubuntu black screen: no login, no console, nothing

I upgraded ubuntu and after reboot I got the infinite loop login screen. I followed all online advice to fix this, which did not help and I resorted to purging the graphics card through the terminal. ...
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1answer
21 views

Unable to boot Ubuntu 14.04 suddenly

I was doing a lot of system installs such as GL, cmake etc. I finished installing and I am unable to reboot Ubuntu 14.04 LTS. I ran the hardware diagnostics and no errors were found. It starts and you ...
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1answer
29 views

Have tried every boot mode on my computer, now what?

Okay so, I apologize in advance if the solution is plainly and painfully obvious, as I am a complete Ubuntu noob. To keep things short, basically: longtime Mac user, disgruntled with Apple hardware ...
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0answers
15 views

The mysterious : Error parsing PCC subspaces from PCCT

I'm a long time LTS Ubuntu user, I recently changed my aging ASUS notebook to a Lenovo T450. The latter came with windows 10, so I decided to wipe it with the fresh 16.04 Ubuntu. The install (via a ...
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0answers
20 views

Unable to boot: all I see is “GNU GRUB version 2.02 beta2 9ubuntu1.3”

When I turn on my laptop I am not getting boot options for Ubuntu and Windows Instead I see this: GNU GRUB version 2.02 beta 9 ubuntu 1.3 minimal bash Luke line editing is supported. For the ...
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0answers
27 views

Re-enabling BIOS features after succesful Ubuntu install?

I am a real noobie of Linux, I just bought an MSI, and was having problems (up to 3 days of fighting against this) with installing UBUNTU 16.04, until I followed the steps in this thread: Cannot ...
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0answers
16 views

Why does Xubuntu show repeating string instead of booting normally?

I have an old Samsung NC 10 netbook with Xubuntu 14.04 installed. Xubuntu doesn't boot and shows only "^[[2~^" and it seems there's nothing to do about it. I tried to boot a Kubuntu 14.04 live USB but ...
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1answer
63 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 ...
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1answer
61 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
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1answer
15 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
22 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 ...
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0answers
20 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 ...
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3answers
42 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.
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3answers
38 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 /...
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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 ...
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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 ...
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0answers
23 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
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1answer
23 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
12 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 ...
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0answers
13 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 ...
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0answers
9 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=/...
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22 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 ...
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1answer
20 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 ...
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0answers
30 views

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, ...
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1answer
12 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
18 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 ...
5
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1answer
87 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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15 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 ...
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0answers
14 views

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

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
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2answers
28 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
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1answer
24 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 ...
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0answers
5 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
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1answer
27 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 ...
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0answers
26 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/...
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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 ...
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0answers
29 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 ...
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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 ...
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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 ...
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1answer
28 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
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1answer
19 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 ...