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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0answers
54 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
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?
0
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0answers
19 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
votes
1answer
91 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....
0
votes
0answers
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 ...
0
votes
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
vote
2answers
29 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
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 ...
0
votes
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
votes
1answer
28 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
28 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
31 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
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
votes
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 ...
1
vote
0answers
10 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
16 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
32 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
32 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
14 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
22 views

HP Pavilion X2 10: Cannot boot Windows 10 efi [on hold]

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
26 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
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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
21 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
18 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
61 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
votes
0answers
18 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
19 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
9 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 [on hold]

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
29 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 ...
2
votes
2answers
52 views

How to backup recovery Windows partition using Linux

I bought a new laptop with Windows installed on it. I'm going to wipe all partitions and install Linux. One day I'll probably sell that laptop, so I'll be nice to recover it to the manufacturer ...
0
votes
0answers
20 views

how do I boot from the 100 GB SSD and run large programs in the 1 TB HDD?

I have Ubuntu 16.04 LTE installed on my 1TB HDD, I cant find any step by step information on how to change it so the computer boots from the 100 GB SSD while still using the 1 TB HDD for larger ...
0
votes
0answers
24 views

Boot failed: could not read the boot disk

i have a next problem, after starting xen through: username@username-hp:~$ sudo xl create /etc/xen/lv-vm-w10.cfg in QEMU see the next text: My configurations files lv-vm-w10.cfg # ===========...
2
votes
1answer
46 views

Unable to free space on /boot

I have no more space on /boot because of too many installed kernels. So I'm trying to remove old kernel versions but getting an error: $ sudo apt-get purge linux-headers-3.13.0-86 Reading package ...
0
votes
0answers
22 views

Stop mounting of folders in /mnt

I recently upgraded to Ubuntu 16.04, and now my system takes almost 5 minutes to boot (before upgrading it was <10 seconds). I ran systemd-analyze blame to see what was taking it so long, and it ...
0
votes
0answers
10 views

Ubuntu 15.10 slow boot issue

It takes around 7-8 minutes to boot. Please check following output: $ systemd-analyze blame 7min 34.482s gpu-manager.service 7min 19.308s plymouth-quit-wait.service 19.884s mysql.service 15....
0
votes
0answers
24 views

Disadvantages to running Ubuntu from a USB stick or SD card?

I'm buying a cheap barbone mini PC and I'm looking for a way to get around buying a SSD for it. I have a quality USB 3.0 stick here with 128GB which I'm not using atm. The PC also has USB 3.0. It also ...
0
votes
0answers
9 views

recover data from device that requires a DRM key

I have an ancient Linux box, that has a specialty program on it. the PC has faulted recently, and I'm not sure that I can repair the hardware. The bios loads an encryption key from a separate USB DRM ...
0
votes
0answers
20 views

Trackpad not working on SP3 with Ubuntu 16.04 LTS

Dual booted Ubuntu 16.04 LTS (bought a USB stick from the Ubuntu website) to a Surface Pro 3 and everything works great except it is not responding the trackpad on the typecover. Using the USB stick ...
0
votes
0answers
32 views

Pc won't boot after installing ubuntu 16.04 [duplicate]

I installed ubuntu from a usb disk and it works fine. After restarting my netbook dell inspiron it went to grub and i selected ubuntu and then i Got this on the screen and wont continue /dev/sda1:...
0
votes
0answers
47 views

What are /dev/mmcblk0boot0 mmcblk0rpmb

I accidentally zeroed out some block devices which are not the paritions showing up in GParted? What do these do? This device is eMMC disk, an analog of SSD. Not external SD card. /dev/mmcblk0boot0 /...
0
votes
1answer
10 views

System failure during aptitude upgrade resulted in broken package: No such file or directory: '/usr/lib/python3.5/distutils/filelist.py'

My system was upgrading when an error ocurried and it rebooted. Once I got into busybox, I had to run fsck /dev/sda1 and confirm each correction. So far, so good. When I got Ubuntu back, I tried to ...
0
votes
0answers
17 views

Bootup Error: ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknow-block(0,0)

Previously, I have execute the following 3 commands. sudo apt-get update sudo apt-get upgrade sudo apt-get dist-upgrade However, I cannot bootup my laptop after the restart. Whatever I try to ...
0
votes
1answer
49 views

Dual Boot Windows 8/ Ubuntu 16.04 Grub Issues

I recently had to re-install Ubuntu because it would not boot after some software changes. To install from a Live USB I had to change from UEFI mode to CSM. After reinstalling, the Grub menu does not ...
0
votes
0answers
34 views

Ubuntu won't boot on asus gl552vw

Few days ago I bought a new laptop, the asus gl552vw-dm149 with the following specs: Processor: i5-6300hq Graphic card: nvidia gtx 960m Ram: 12GB ddr4 2133Mhz SO: Windows 10 When I try to boot ...
1
vote
0answers
25 views

Kernel panic - not syncing: fatal exception in interrupt

There are a lot of posts on this, but I haven't found an answer yet. This happens to me very occasionally, I'd say every two months or so, on a machine that boots automatically ~ 2x/day (it's a ...