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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windows operating system missing in dell inspiron 3521

I created a ext4 partition and with my secure boot disabled I installed Ubuntu 15.04 and now my computer directly opens Ubuntu when I turn on my laptop. I looked for the boot menu too but it didn't ...
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5 views

UEFI Ubuntu installation no longer boots after partition resize

After resizing a large partition on the same drive with Gparted that contains my UEFI partition, my Ubuntu installation (15.04 x64) no longer boots in UEFI mode. When I try to manually load the boot ...
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11 views

systemd causes much slower boot than upstart

Recently upgraded from 14.04 to 15.04 and immediately noticed my boot times went from 10-20 seconds all the way up to 120 seconds. Can confirm that systemd is at least part of the problem, because if ...
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9 views

windows 7 failes to boot afetr installation of ubuntu

I'm trying to install Ubuntu 14.04 with Windows 7 system. After the installation I can't boot into Windows 7 system, when I select the Windows 7 boot loader in GRUB2, it hangs for seconds and then ...
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15 views

DRAMATIC increase in CPU and failure to boot all of a sudden

I've been using Ubuntu 14.04 on a Toshiba Satellite Radius for a few months now and it ran beuatifully. Literally all of a sudden my computer refused to boot. I did a fresh intall of 14.04, using the ...
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6 views

pc reboots by itself with Ubuntu 15.04

I installed Ubuntu 15.04 last week. Now the PC reboots itself occasionally. I assume that Ubuntu has crashed since I never has any problems with Ubuntu 14.04. There are errors in syslog but do not ...
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0answers
7 views

Boot Space memory allocation [duplicate]

I am unable to install new software, because the boot partition is maxed out. In my boot folder are included all the kernels installed. If I go into that folder and delete all but the current ...
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0answers
3 views

Switching computers with a persistent usb

So, I'm Trying to create a USB drive to run the OS off of on several different computers, without installing anything to the computers themselves. I used pen drive Linux to create a boot-able USB and ...
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1answer
16 views

Windows don't boot after Ubuntu installation in VMware on a physical disk

I have installed Ubuntu in VMware (Windows 7) on a physical disk. It's a secondary disk, not a partition. All worked, no problems. Then i restarted Windows and Windows failed to boot and then Ubuntu ...
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1answer
13 views

12.04 only boots from restart or live USB restart

I can only boot from my live USB, not from a hard disk installation. I get error as Out of disk error. I've tried fixing it by re-installing GRUB, by using boot-repair to re-install GRUB, and several ...
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1answer
13 views

Toshiba Satellite Laptop Won't Boot to USB

My laptop model is Toshiba Satellite L655-S5153 I have my bios setup to boot usb, cd, then hdd. Legacy mode is enabled as well. I already have Elementary OS Freya (A distribution of Ubuntu 14.04 ...
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0answers
7 views

kernel panic-not syncing: VFS: unable to mount root fs on unknown block(2,0)

When I boot ubuntu 15.04 from usb, I got this problem: kernel panic-not syncing: VFS: unable to mount root fs on unknown block(2,0)
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9 views

Cannot run Ubuntu install dual boot from USB on X1 Carbon w/Win8.1 - kernel panic, VFS

I installed Ubuntu as dual-boot on X1 Carbon 3rd gen (with Windows 8.1, UEFI etc.; lets call it "Machine A"). I had some issue with Ubuntu there, so I removed like 3 partitions (from Windows tool) - ...
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22 views

Need to press the power button twice for Ubuntu 15.04 to boot

I have a dual boot set up (Windows 7/Ubuntu 15.04). I've recently upgraded from 14.04 LTS to 15.04 and since then, I have to press the power button twice. The first time it goes to GRUB without any ...
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1answer
32 views

hide grub on Ubuntu 15.04

I tried all the methods that comes in google search for "hide the grub menu on ubuntu", but still no luck, I guess things work differently on Ubuntu 15.04 ? this is my grub # If you change this ...
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0answers
29 views

Startup problem with Lubuntu 15.04

I installed Lubuntu 15.04 on my PC. It was running perfectly smoothly, so that a few days it is having a strange problem that happens sometimes, not all the time. What happens is that when I turn on ...
0
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1answer
17 views

How can I boot via USB with GA-945GCMNX-S2 BIOS?

I'm using a computer with a Gigabyte GA-945GCMNX-S2. So my issue here is the BIOS does detect the USB drive but does not boot in. I've tried Unetbootin, Live USB Installer and other tools but no ...
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0answers
17 views

Systemd non-determinism early on in boot from squashfs

Short version When booting exactly the same system repeatedly, sometimes the boot messages start with [ ...] systemd[1]: Set hostname to <liab>. [ ...] systemd[1]: Mounted /. [ ...] ...
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7 views

Boot problem: Can't find IRQ for PCI INT A

I have Win7 an +Ubuntu12.04 on my computer. It cannot boot I get the error: pci 0000:00:14.0: can't find IRQ for PCI INT A: probably buggy MP table Even after reinstalling ubuntu I get the same ...
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1answer
28 views

Windows7 is not starting

First I install Windows7 and then installed Ubuntu 14.04 32 bit. Now when I restart machine, there is option to start windows, but sometime it is starting and sometime it displays blank screen. I ...
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0answers
17 views

In ubuntu live without installing it is not showing the windows partition instead it is showing only one partition 942GB.How to get all the partion? [on hold]

I was trying to istall ubuntu 10.10.. using wubi.exe in windows 7 in the same local drive C: in which windows 7 Was.The installation has got completed and it has asked to reboot .I have rebooted then ...
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27 views

GRUB Loading, please wait … Error 17. How can I get my computer to boot?

I don't have a working CDROM and cannot boot from a USB as far as I know. I partitioned the HD and I think I made the mistake of making that partition a bootable one. Now I get the message: GRUB ...
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17 views

I Can't boot directly to ubuntu

I get an error while booting Ubuntu so I have to hold "Fn+F12" and scroll down to Ubuntu although Ubuntu is the only OS I run. My Laptop Specs , Leveno G-50 6 gig ram 500 gig HD
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9 views

Fail after seond reboot when going to Kubuntu vivid from 14.10

My wife's Eurocom Laptop was running Kubuntu 14.10 and telling her she needed to do a version upgrade. But clicking on the upgrade button in apper was failing with a error 127. We tried running a ...
0
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1answer
14 views

Booting from Live USB while Ubuntu 15.04 is already installed on the HD, makes next boot not find ad an ny OS

I had 15.04 already installed on my machine, and wanted to see something on a clean installation via a Live USB. So I restarted and booted from my USB and played around on a clean installation. ...
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12 views

How can I upgrade from an EOL version without using an .ISO image as I cannot boot from usb or DVD?

I am trying to upgrade or update from Ubuntu 11.04. My computer (acer aspire c 2008) won't boot from usb and my cdrom usually doesn't mount. So could I partition my hard drive and put the .ISO there ...
0
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1answer
9 views

Unknown chipset drm failed after grub

I have been receiving this error every time I try to try Ubuntu or install it. I boot it in non uefi mode ( if its in uefi the screen is just blank) and choose my language. I pick an option and this ...
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13 views

Ubuntu 14.04 boots on Bios on Asus EeeBook X205TA

Hope someone can give me fix to my problem. I purchased a Asus Eeebook X205TA to access my desktop when away. I installed Ubuntu 14.04 as single OS and completed the install without any errors ...
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2answers
34 views

Ubuntu 14.10 stopped booting suddenly

I've had Ubuntu 14(Trusty) since not long after it came out, and I have enjoyed the system without any real significant problems.....until not much earlier today, that is. It started maybe half an ...
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0answers
16 views

Ubuntu 14.04 does not boot after installing

I have just installed Ubuntu 14.04 after my Windows 8.1 was not boot at all. After the installation I removed the USB drive and restarted the computer, but It had "Checking media presence -Media ...
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48 views

ubuntu 15.04 won't boot after install

I've installed ubuntu 15.04. The installation was finished so I restarted my laptop. And now it displays the menu to log in into bios. After that it shows black acreen with underlined letter A. I ...
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11 views

How to make a Bootable DVD from an ISO?

I would like to download a ISO Image of either Ultimate 4.4 or Unbuntu Desktop 14.04 and be able to burn it to a DVDand boot from that DVD to install either to a old Compter that will does not have ...
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51 views

{4.047432} ACPI PCC probe failed on Ubuntu 15.04 default boot

I've installed ubuntu 15.04 today & got this error. [4.047432] ACPI PCC probe failed on Ubuntu 15.04 default boot Don't know what happened I can't get to login screen. From advance option i'm ...
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1answer
22 views

Ubuntu boot menu showing up instead of Windows

I'm totally a newbie to Ubuntu, disk partitioning and stuffs. I had installed and un-installed Ubuntu(14.04 LTS) in an atypical way several times and screwed up my disk partitions. But when I thought ...
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9 views

Screen flickering during boot

Everytime I boot a purple screen appears followed by heavy white flickering for 1 sec, then the screen goes black till the login screen comes up. The ubuntu logo with dots never show up. Once booted ...
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28 views

Kernel error message during boot

Every time when I start my laptop I see these error messages: What is the cause for them and how can I fix this problem?
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15 views

Ubuntu cannot boot after replacing Windows 8.1 - Boot-repair failure

I have the following problem. I recently bought an SSD for my laptop - which is about 6 years old - and made a clean Windows 8.1 install on it. However, after an "accident" - I had forogt to plug ...
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0answers
18 views

Manual Recovery

I installed ubuntu 14.04.02 on my netbook. So now I've got 2 os on my netbook, windows 8 and ubuntu. When I boot my netbook and choose to open on ubuntu, it says serious errors were found while ...
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30 views

OS doesn't turn on after update

I was trying to update Ubuntu to the newest version yesterday, then when I had a problem like this one: Unity doesn't load, no Launcher, no Dash appears, I just restarted the computer with the ...
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29 views

Ubuntu freezes during boot

I'm running ubuntu 14.04 on a Acer E17 laptop. From one to another the computer seems to freeze during the boot sequence. It boots to grub without an issue, but when I select Ubuntu it seems to freeze ...
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1answer
48 views

Ubuntu and Live USB won't Boot after power cut 15.04 BTRFS

I didn't think this was a problem until it happened to me twice on two different systems and have never seen this before. First time I was running Xubuntu 15.04 on a Lenovo T61 using BTRFS. The ...
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0answers
29 views

Slow Ubuntu Booting

Problem: It takes too much to start Ubuntu 14.04.2 LTS 32-bit (7 minutes after the Grub screen). Problem description I turn on the PC 1 minute after the Grub screen appears Once selected Ubuntu ...
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1answer
26 views

Ubuntu will not boot without the CD

I installed Ubuntu but it will not boot unless I have the CD in it. I tried reinstalling it and I still have the same problem. Can someone help me?
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11 views

full disk encryption boot gui gone

I have installed my ubuntu system with full disk encryption. After installing updates, the gui that you type the password will not show, just a command line interface that keeps ticking information ...
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0answers
31 views

cant boot to windows after installing ubuntu 15.04

okzz this is what happened.. i was earlier using windows 8.1 with dual boot Ubuntu 14.04, updated it to 15.04.. there was some bug after i updated it (desktop went all black after i updated it, ...
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1answer
90 views

mei_me initialization failed at boot up

I have an "mei_me" error at system boot-up. May 2 17:47:39 florian-Linux kernel: [ 11.867542] mei_me 0000:00:16.0: irq 62 for MSI/MSI-X May 2 17:47:39 florian-Linux kernel: [ 11.870423] mei_me ...
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3answers
184 views

Ubuntu 14.04 LTS showing 'version message write failed' message while booting

The following lines are getting displayed while Ubuntu is booting. [ 27.981086] mei_me 0000:00:16.0: irq 60 for MSI/MSI-X [ 27.985007] mei_me 0000:00:16.0: version message write failed: ret = -5 ...
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1answer
151 views

Error message on booting up Ubuntu 14.04.2 [duplicate]

After upgrading from kernel linux-image-3.13.0-49-generic to linux- image-3.13.0-51-generic, I am getting this error message in dmesg on startup: [ 6.352555] mei_me 0000:00:16.0: irq 47 for MSI/MSI-X ...
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22 views

Trouble booting

I installed Ubuntu on my desktop without any errors, but when I restarted the computer wouldn't boot up correctly. I got a black screen and it just stays on said black screen. After manually turning ...
0
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1answer
91 views

15.04 Mate install will not boot

After installing Ubuntu MATE 15.04 on my SSD I am always met with this error when rebooting: I have tried various partition layouts, as well as enabling updates when installing, but still no ...