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 Ugrade tp 15.10 now laptop won't reboot

Samsung 400B laptop Yesterday I left my laptop upgrading to 15.10 (I think it was Wily something) about half way through. When I returned the laptop was hung with nothing on the screen. Hard ...
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3 views

Purrple screen with broken external video card

a fresh installation of Ubuntu get's stuck on a purple screen when I try to load it. Restoring broken packages from recovery mode helps for a single session. I tried installing Nvidia graphics driver ...
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8 views

Ubuntu 12.04 not booting

Problem:- When i switch on my laptop it automatically goes to grub menu without using shift. Even after choosing linux kernel it is not booting and just end up showing the following message mount: ...
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12 views

cannot detect windows 7 after dual boot with ubuntu 14.04

I have lenovo B570 system.It had window 7 proffesional.I dual booted it with ubuntu 14.04,at first installer crashed.next time I again reinstalled it there it shown me option to replace ubuntu 14.04 ...
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11 views

Booting from Linux USB but not from Windows

I have Linux Mint 16(Petra) and 17(Rafaela) installed on my ThinkPad T-430. I need to install windows (any windows) in a new partition, I already made the partition, but I just can't make windows boot ...
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9 views

Locked out of full disk encryption

I setup full disk encryption during my ubuntu install (14.04) and I recently rebooted and now I am locked out. I have not forgotten the password, I use it regularly. After boot when I put in the ...
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0answers
3 views

Can't boot 15.10 from NVMe SSD, yet 15.04 worked fine

Ubuntu 15.04 working okay, but unable to install or upgrade to 15.10 from 15.04 with this configuration: Motherboard: Supermicro X11SSH-LN4F CPU: Xeon E3-1225 v5 Boot device: Samsung V950Pro M.2 SSD ...
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7 views

Does Ubuntu have UEFI Secure Boot keys for single boot for all of their software?

Does Ubuntu have UEFI Secure Boot keys for single boot for all of their software? I want to remove Windows 8.1 from my HP Streamer 7 and install Lubuntu 16.04 in May. Need your help!
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1answer
14 views

Cannot Change the boot order in bios or F9 Anymore after installing Ubuntu

other Operating System: Microsoft Windows 10 (64-bit) hi I have a HP Pavilion TS Sleekbook 15 touchsmart I cannot change the boot order in the bios boot order menu ( i tried to disable the legacy ...
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8 views

Im not able to install ubuntu or Xubuntu on my Linx 1010 Tablet

im Not able to install ubuntu OR Xubuntu OS in my Windows 10 Tablet, which has Keyboard with Mouse pad. I tried the USB boot, as soon as i try to boot it from USB it displays USB boot option not ...
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1answer
29 views

Unable to access BIOS, GRUB menu only

I have the latest dist. of Ubuntu and a Toshiba Satellite laptop. I've already searched for the default keys that access the BIOS, (F2, holding ESC) and had no luck. To describe what happens when I ...
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1answer
17 views

Accidently overwrote /boot folder files

I was trying to install a chronOS kernel. But instead of copying vmlinuz-3.19.0-25-chronos, System.map-3.0.24-chronos, config-3.0.24-chronos i overwrote vmlinuz-3.19.0-25-generic, ...
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8 views

What is random : Nonblocking pool

I saw this message by dmesg and also by replacing quiet splash with debug in grub boot menu. Why is it that my Ubuntu gets stuck at random: nonblocking pool is initialized and takes too long to ...
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1answer
16 views

Boot/repair problem

I am attempting to repair a new Ubuntu 15.10 installation with Boot-repair. This is a standard non-UEFI installation. I installed Boot-repair onto the Ubuntu 15.10 Live CD and started it. When I run ...
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0answers
19 views

Dad tried to upgrade to 15.10, now it wont boot anymore. Can I reset it?

He tried to upgrade from 14.04 I believe to 15.10, now after he types in his password it looks like this: http://imgur.com/AZqSWal It's an AIO desktop from asus core i5 with a nvidea 540m connected ...
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3answers
40 views

Windows not loading after Dual Booting windows 10 & ubuntu 15

I am a complete Newbie to Ubuntu. I had Windows 10 upgraded from Windows 7. I dual booted it with Ubuntu 15, by selecting "Something else" in the installation menu, later creating partitions for ...
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16 views

Boot Ubuntu from VHD with Windows 10

Is it possible to native boot Ubuntu from a VHD file using Windows 10? If so, how?
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9 views

Ubuntu 15.10 boot issue in virtual box

I am running ubuntu 15.10 on Virtual Box. Today when I reboot it, it didnt boot! Says: /dev/sda1: recovering journal /dev/sda1: clean, some values/some values, etc. boot image It was ...
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0answers
10 views

How to decrypt ubuntu on load from usb key

I have selected disk encyption option on ubuntu installation. And now I have to type pass to decrypt it on load - [ubuntu load encryption][ How can I create "usb-key" to unlock it automatically if my ...
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1answer
31 views

How to fix the starting up problem with two operation system?

I have installed Ubuntu & Windows 10 on my laptop in different drives. But when I start up my laptop. The option to choose system Win 10 always failed. I could only use "F12" to start ...
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1answer
37 views

Windows Install [duplicate]

Ok I recently installed ubuntu 14.04 on all of my computers and want to put windows 7 back on my desk top, I boot from the cd everything looks to start normal, after clicking install windows 7 it ...
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9 views

fb: switching to radeondrmfb from simple Stalls Ubuntu Boot Process

When I boot my machine up here is the message i get: fb: switching to radeondrmfb from simple Thank you in advance.
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1answer
17 views

Booting problem after installing updates

I installed Ubuntu after trying it out from a USB disk on my laptop. I made a partition for it, so it shares the HDD with windows 10. Given that at the time I did not have a fast internet connection ...
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1answer
35 views

Cannot boot after a failed update from Ubuntu 15.04 to 15.10 Update

I was running Ubuntu 15.04 on my HP EliteBook 755 and was updating to 15.10 when the update process was stuck for several hours at the same place, so I hit the power button to reboot. Now the system ...
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18 views

Ubuntu 14.04.3 installed but boots grub>

Install went to /dev/sdb7 and my boot up only opens grub> How do I boot? Still booting from USB flash drive not from hard drive...
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1answer
14 views

Mp-bios bug:8254 timer not connected to io-apic error on Vostro 1000 LiveUsb

I'm trying to install lubuntu on to my Dell Vostro 1000. I'm using a LiveUsb (via pendrive). I get the start up screen and when I choose try lubuntu without installing I get this message: Mp-bios ...
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1answer
25 views

Installing Ubuntu Desktop

I want to install Ubuntu in my laptop. I own a Toshiba Satellite C650. This model is not mentioned in Ubuntu Desktop certified hardware section. Would my laptop still be run Ubuntu along with Windows ...
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1answer
14 views

Machin reboots during istallation

I've tried both versions now, 14.04.3 and 15.10 with the same result. No matter if I just choose to try without installation or install I'm stuck in a bootloop. Istantly after I choose one option the ...
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1answer
34 views

Ubuntu doesnt want to start!

I have a DVD with Ubuntu on it. When I restart my PC (with the Ubuntu disc inserted) nothing happens. Windows 8 just starts up. I tried with my friend's DVD as well. I have 3 discs with Ubuntu on them ...
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0answers
15 views

14.04.3 - Ubuntu GNOME - Can't boot

After selecting Ubuntu GNOME in GRUB, the boot freezes at the logo. Last things that I've done are sudo apt-get update && sudo apt-get upgrade I've also installed Android Studio from the ...
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1answer
16 views

Double hard drive, double OS windows+ubuntu

I bought an SSD for my laptop and I moved the old one on the optical drive bay. I installed windows on my SSD and then installed ubuntu on the old one (sdb). I installed Ubuntu using manual ...
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2answers
17 views

efibootmgr creates an entry in which DevPath is set to Venhw istead of PciRoot

Hello I have a big problem because you see when I use efibootmgrto create a boot entry it just makes a unbootable japanese character in the EFI boot menu and this is very bad. On the other hand when ...
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24 views

I want to delete three archive files which are in boot

I have problem with the updates. Whenever I start an update I am told the boot record is too small and I need to clear some space. I have looked in the boot directory and there are three files: ...
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14 views

Vostro 1000 Dell Wont Boot from Usb

I have installed ubuntu on my HP Stream using the live usb method and it worked. This time Im trying on my dads old Vostro 1000 laptop. I downloaded the Lunbuntu OS and the pendrive thing. After that ...
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22 views

Black Screen After Hibernate- 15.10

Ubuntu 15.10 64-bit, Nvidia 960M proprietary "recommended" driver EDIT: Hibernation seems to work fine with Intel integrated graphics. I have been having an issue with hibernation. Every time I ...
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3answers
42 views

I installed Ubuntu 14.04.3 LTS, but I can't boot into it. How can I fix this?

I've installed Ubuntu 14.04.3 LTS from a USB drive, on a PC running Windows 8.1. But when I turn on my PC, I'm not presented with an option to choose to boot either Windows or Ubuntu. Instead, I'm ...
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1answer
31 views

Error during installation of Ubuntu LTS 14.04.3

My main OS is Windows 10 Home Edition (64-bit). I have an 8 GB USB 2.0 flash drive that I used to boot off of using the Universal USB Installer software from pendrivelinux.com. The software takes the ...
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32 views

Custom hibernation command on Xubuntu 15.10

I have found, that I have problems with hibernation on my machine running Xubuntu 15.10. With many attempts I found, that the only way to hibernate is to type following commands (according to this ...
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20 views

Is any there real drawbacks for a python developer when running MAC book air off Live USB only? (Kernal panic at every attempt of installation)

I have been trying to install Ubuntu 14 on a mac book air crica 2012. First attempt with Yosemite +refit --> Kernal Panic and lost the whole HDD and even the OSX installation that worked Second ...
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1answer
39 views

15.10: 'startx $(which unity)' fails when booting to console

I followed this answer and ran the following commands on my 15.10 with Unity Desktop to boot to text mode: sudo systemctl enable multi-user.target --force sudo systemctl set-default multi-user.target ...
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0answers
18 views

boot screen isnot displayed when started

I could not see my boot screen on my laptop having windows 10 and ubuntu 14.04.windows 10 is opening and to obtain the boot screen i have to press esc and f9.how could i obtain the boot screen.pls ...
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0answers
17 views

Customized UBUNTU live system [on hold]

Considering i386 vs amd64 architectures as well as UEFI, Secureboot proliferation and current availability of Legacy BIOS, what would be a best choice today to build a new Customized UBUNTU live ...
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1answer
35 views

How do I make a bootable USB drive for Winodws 7 on Ubuntu 14.04 LTS?

Almost all questions I've found here are outdated. I've already tried using UNetbootin and WINusb and neither have worked. When I used UNetbootin, once I booted the computer from the USB, it was stuck ...
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0answers
11 views

Toshiba Laptop 'Breathes' during start-up [on hold]

My Toshiba Satellite C55-A5281 'breathes' several times at start-up - sometimes for 3+ minutes. It is about 2-3 years old and only has about 1/3 of its storage used-up. Any suggestions as to what is ...
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0answers
15 views

Fix bootup on vodafone webbook ON9 or install from usb?

I am a greenie with Ubuntu and need help please. Its a vodafone webbook ON9 with 512mb Ram and 4GB onboard flash storage. I need to reinstall Ubuntu. Originally there was Ubuntu 10.04 on it. Now when ...
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1answer
50 views

How to Dual-boot Ubuntu 15.10 with Windows 10 (OLD HARDWARE! NO UEFI) [duplicate]

I have a bootable USB that has Ubuntu 15.10 on it. I used UUI (Universal USB Installer) to do this. Keep in mind that I have a computer built in 2010 that was made to support Windows 7, but I upgraded ...
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0answers
8 views

how to add new module in ubuntu os [on hold]

I am new in ubuntu. my question is How to add new module in ubuntu os. I have to add my c program as a module in ubuntu os. how can i do that. please,answer me step by step
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1answer
31 views

How can I interrupt infinite waiting for networks in systemd boot?

I use Ubuntu 15.10, 64 bit, desktop version with Unity. After trying to configure my KVM virtual machine for bridged networking, the virt-manager created a corrupt interface configuration br1. When ...
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0answers
11 views

USB keyboard not detected when booting 15.10 with upstart or in recovery mode

The story: I just had to boot my 15.10 64bit machine using upstart instead of the default systemd (selected in the GRUB boot menu's "Advanced options for Ubuntu") to boot past a network failure. ...
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42 views

Error Parsing PCC subspaces from PCCT

Booting up anew my dual-boot laptop, I was greeted with these errors: Error parsing PCC subspaces from PCCT [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! ...