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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12 views

Dual boot enigma

I am experiencing an issue with my operating systems. I've had windows 8.1 for a while on my system and I decided to have Ubuntu as an alternative with it. As you surely know about the process of ...
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0answers
40 views

Boot time of Ubuntu 16.04LTS

Why the Booting time of Ubuntu 16.04 LTS is comparatively more than ubuntu 15.04. Moreover there is hanging problem in Mozilla firefox browser. Is there any way for fast booting and startup?? My ...
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11 views

Ubuntu server 14.04 cannot boot up due to /dev/disk/by-uuid/xxxx does not exist

I have the Ubuntu server running on Raid 10 with array of four disks. I issue a sudo reboot then the server got stuck at this line. Tried the boot repair disk but to no success. Here is the ...
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2answers
87 views

Windows 10 laptop returns to boot menu repeatedly after installing Ubuntu

I have Windows 10 and before I setup Ubuntu 16.04 64-bit I disabled fast startup from battery settings. Then I started to setup my Ubuntu. I give it hard drive and 2 GB swap and I pressed Install. ...
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37 views

Ubuntu update has screwed GRUB

I am running 16.04 on an UEFI mobo, no dual boot etc. I was working just fine but have been unable to reboot since an update earlier today. Booting brings me to a grub rescue prompt and a message that ...
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3answers
51 views

Installing ubuntu 16.04 studio on a samsung 30034c 300e5c 300e7c

I have a samsung 30034c 300e5c 300e7c 64 bits with a BIOS: Phoenix SC-T v2.2. Recently i install Ubuntu Studio 16.04 on an external hard drive, i was able to open the BIOS with f2 and every time i ...
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2answers
49 views

Move Ubuntu Server 14.04 from 128 to 256 GB SSD

I have a 250 GB Samsung Evo which I plan to use to replace my old 128 OCZ SSDrive in my Ubuntu 14.04 Server. Obvously I don't want to reinstall everything and as I'm just moving from one SSD to ...
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0answers
19 views

Add Ubuntu to Windows 10 boot manager [duplicate]

Here is my situation. I originally (only) have Ubuntu 14.04 on my laptop. Then, I installed Windows 10 into a free partition. Now, even though Ubuntu's partitions remained, I'm not able to enter ...
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1answer
39 views

Can't downgrade from Ubuntu 16 to Ubuntu 14 (Boot Problems)

I've installed Ubuntu 16 because that was the DVD I had at hand... Although Ubuntu 14 is the version we use at work... What happens here, is that it throws a lot of errors when I tried to set up my ...
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0answers
27 views

How to adjust size of bootable live USB and actually make it work?

Firstly, I'd like to say that I read the entire article here, and tried method 0, which seemed like the easiest and most recommended. What I want to do is create a USB version of Ubuntu that I can ...
0
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1answer
6 views

Q: Raid1 not booting after new hard drive installed

On my Ubuntu server I had a disk failure. The new hard drive was quickly installed by the hoster's technicians. Then I followed the instructions on their page to integrate the new disk into the raid. ...
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0answers
26 views

Black Screen After upgrade from Ubuntu 14.04 to 15.10

I am new to Ubuntu and recently upgraded from Ubuntu 14.04 to 15.10 via the Software updater, I started the upgrading process and went to sleep, the next morning I found that the Welcome screen was ...
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1answer
37 views

Ubunutu 16.04 can't install GRUB

I am receiving the following error during installation: Unable to install GRUB in /dev/sda Executing `grub-install /dev/sda` failed. This is a fatal error. I clicked "OK" and was prompted to do one ...
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1answer
19 views

Can't mount my external hard drive

I have an external hard drive which I partition sometime ago. I made two partitions in one I installed Ubuntu 14.04 and the other I use for storing various files. It was working OK last time I used it ...
2
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0answers
16 views

Ubuntu booting up slow and not properly

One day I booted up my computer normally, and it the boot up process was slower than normal. When my computer boots up the cursor and the desktop were gone. The only thing there was the utility bar. ...
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0answers
10 views

No boot loader is installed in the MBR of /dev/sda on macbook pro

I am using dual boot mode on macbookpro 15(2014mid) beetween windows 10 and OS X. So, I just installed ubuntu 16.04 on my laptop, it works very well. but, widnows 10 does not start up anymore. I ...
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0answers
17 views

Why do I only see a blank wallpaper screen after logging in from the login page?

So after logging in on the login screen, I only see the wallpaper without any icons or the bar at the top or anything. I have to re-start to be able to do anything else. I tried a guest session and it ...
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0answers
21 views

Why doesn't GNU Grub appear or the option to boot into Ubuntu after installing Ubuntu?

I just tried to install Ubuntu alongside a computer that had Windows 10 installed and I think I did so successfully. I was given the prompt and asked to enter my time zone etc. After I did all this, ...
0
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1answer
30 views

USB 'boot error'; possibly bad files?

So, while updating to the latest version of Ubuntu, the upgrade stopped halfway through and did not fully upgrade. Due to this, my current version of ubuntu is unusable as i can only use the command ...
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0answers
13 views

Cannot install grub

I can install browserlinux, but I have to always reinstall it. OS on card reader I can load up to "Try Ubuntu" and actually try the OS, but I cannot "Install Ubuntu" and this I can do with Ubuntu 11....
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0answers
26 views

Very slow boot on 16.04 version/ nvidia card instead of intel

I installed the 16.04 version and it's very slow compared to the boot of my previous OS (win10). Ubuntu takes about 1min40sec to boot up while win10 was +- 30s laptop specs: 6GB ram Intel® Core™ i5-...
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0answers
15 views

Ubuntu 16.04 does not boot if second (empty) SSD is present

My notebook, a Tuxedobook Infinitybook (rebranded Schenker S301 with preinstalled Linux) has it's Ubuntu 16.04 installed on a M.2 EVO 850 SSD. Today I wanted install a brand-new Samsung EVO 750 in the ...
0
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1answer
35 views

How do I make sure the touchpad is enabled on reboot?

Just installed Ubuntu Mate, and am facing a strange issue: I have to manually enable the trackpad every-time I reboot the system.. It's getting quite annoying, and if anyone can help out by creating ...
0
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1answer
90 views

How to exit emergency mode Ubuntu 16.04

I just installed Ubuntu 16.04 and everything was working fine until I rebooted and got stuck with this emergency mode message. /dev/sda6: recovering journal /dev/sda6: clean, 193225/9527296 files, ...
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1answer
65 views

freezing and getting this on every boot: kernel: intel_soc_dts_thermal: request_threaded_irq ret -22

I use Ubuntu 16 alongside win 10 on lenovo g50-70 (intel chipset) I get this line on every boot, kernel: intel_soc_dts_thermal: request_threaded_irq ret -22, I was wondering if this is related to ...
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0answers
30 views

How to tell ubuntu boot what my motherboard really is?

Had this problem on previous mobo asus p8z77vl-x and current one asus maximus hero viii. Ubuntu by default loads a heap of drivers and also looks up (errors) bios table thinking that the desktop is ...
2
votes
1answer
40 views

Attempted to Repair GRUB through live USB. Has not worked, cannot get into Ubuntu

Made a post earlier here: Installed Windows 8.1 over 7. Can't Get into Ubuntu 14.04 Essentially, Had Windows 7 on my system first, as is recommended. Afterwards, Ubuntu was installed. Now after ...
0
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1answer
23 views

sulogin cannot read /dev/tty1 permission denied

When booting up Ubuntu 16.04, I'm getting this: Press enter for maintenance( or type Control-D to continue) and when pressing enter, I get this error: sulogin cannot read /dev/tty1 ...
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1answer
21 views

unable to boot from flash drive

So whenever I try to boot my flash drive with Windows 7 ISO on it, Ubuntu just opens up normally it goes to the purple screen and nothing happens. Any way to fix this?
0
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1answer
33 views

Unable to boot Windows after installing Ubuntu 14.04

I have a laptop on which Windows 8 is already installed in UEFI mode. Now I installed Kubuntu 14.04 onn that machine in Legacy mode. Now I have an issue. If I selected Legacy mode in BIOS the machine ...
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0answers
50 views

Can't access Ubuntu after fresh installation - secure boot violation?

I spent hours trying to make my laptop working. I'm quite not-experimented but I usually find my way by trying out things I find on forums and websites... But this time, I can't seem to get through it....
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1answer
20 views

How to mount a luks encrypted partition at boot

I have been given a task to creat a LUKS encrypted partition and then mount it, here are the steps I followed: 1. Create partition for encrytion: sudo fdisk /dev/sda 2. Reboot 3. Format the ...
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0answers
18 views

Grub2 shows bad sector .. cannot read from bootable usb

I have successfully created a Debian bootable USB. I cannot get the option from BIOS so I was trying to install it from Grub. However, when I get to grub2 command line and I do ls I get this: (...
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1answer
52 views

Problem Radeon VCE init (-22) error during Ubuntu 16.04 boot

I have intel i5 processor, 4GB ram, AMD Radeon R5 Series M330 Graphics, hp laptop. I installed latest ubuntu 16.04 LTS on it. It worked for only 1 day. After that during boot time a error prompts ...
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0answers
14 views

IO charset iso8859-1 not found

I used the boot-repair tool to fix my Ubuntu 16.10 64 bit installation after installing Windows 10 in UEFI in a separate partition. The tool was successful, but when I choose to boot into Ubuntu, I ...
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0answers
45 views

Make an USB live system from an installed Ubuntu 16.04 (not from ISO)

I have an installed amd64 Ubuntu 16.04 and the kernel updated to linux-4.7-rc6. I now want to create from this (note: not from the ISO) a bootable USB key with a minimal live system. It should not ...
0
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0answers
21 views

blank screen after upgrade from 15.10 to 16.04 acer aspire v5 122p-0647

i recently ran into a issue with my acer aspire v5-122p-0647, I upgraded my ubuntu 15.10 to 16.04.. When i reboot the brand name of my netbooks producer is shown first. Aftwards the background is ...
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0answers
19 views

How can I get into my PC without an admin password in Ubuntu? [duplicate]

I have lost my password and i am also try to reset my password but this is not work for me so how i back my data please help
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0answers
23 views

Not able to boot Ubuntu to UEFI desktop lenovo

Trying to install Ubuntu on a Lenovo desktop however no matter what I try to change from Uefi to legacy and back it still comes up with error 1962 Nonoperating system found. I tried Ubuntu boot disk ...
0
votes
1answer
46 views

Ubuntu16.04 suddenly boots to a text-only (initramfs) prompt, restoring superblock doesn't fix it

So I thought I had faced the typical problem of getting a superblock corrupted (which I think happened because of an intended hard/unclean reboot). However after following the guide in the first ...
1
vote
1answer
93 views

After installing Ubuntu, nothing happens

I just installed Ubuntu, and it asked for me to restart the computer, so I did it(Yes, I did put it to boot on HD). After the computer turns on, nothing happens. It's just a black screen, with "_" ...
1
vote
1answer
45 views

How to make a bootable flash from my already installed Ubuntu?

I need to make a bootable media(USB) from my installed version of Ubuntu as it is on my hdd and then boot from it to install this system in other computers. How do i do that?
1
vote
1answer
28 views

Transfer Ubuntu to new, smaller disk with different partition number

I've read a few questions and answers, and most answer are to use dd to copy the disk to the new disk, which is always larger. I'm trying to move only a single partition on a 1TB disk, to a 250GB SSD....
0
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0answers
21 views

No root file system defined, crash while attempting to install 14.04

I'm new to Ubuntu and trying to install it as my first OS on a new desktop machine. No optical drive, booting from a USB that I formatted with Rufus on a separate laptop. The trial option runs just ...
0
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1answer
23 views

Encrypted SWAP wont mount at boot

I need help with my Encrypted SWAP on Ubuntu 14.04. It won't mount. I used ecryptfs-setup-swap to encrypt the swap. At boot this error occurs: device-mapper: rename ioctl on cryptswap1_unformatted ...
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0answers
52 views

Problem with Ubuntu cloud image 16.04 on VirtualBox

I was trying to use Ubuntu 16.04 cloud image xenial-server-cloudimg-amd64-disk1.vmdk [downloaded from https://cloud-images.ubuntu.com/xenial/current/ ] on VirtualBox but facing two problems: ...
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0answers
30 views

Ubuntu server 16.04 shows loading screen and then goes to black [duplicate]

I'm new to Ubuntu server so I just installed it on an old computer I had lying around. I got through the install without any problems, but when I restarted the computer (without the USB drive I used ...
0
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0answers
24 views

Move os from a hard drive to another

Right now, I have two hard drives on my computer, a 1TB one and another 2TB one... The 1TB one has Ubuntu 14.04 in it and the other has data only. So, right now, my computer boots from the first hard ...
0
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1answer
38 views

Ubuntu installer doesn't detect my USB drive

I'm trying to install a copy of Ubuntu on a 32GB USB drive, and after having downloaded the ISO image and created the bootable drive with Rufus, I boot from the USB and start the installation process ...
2
votes
0answers
28 views

Network doesn't work on boot

I've setup my /etc/network/interfaces. But I have to always restart my network, not just start. /etc/init.d/networking restart on the system boot. Where is the problem? I want my network to start ...