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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problem dual-booting Windows with EFI and 2 hard disks

I've searched everywhere for answers to the problems I'm having, and can't find a solution. I hope someone here can help. I have a Thinkpad T420 with two hard disks. The first hard disk is internal ...
1
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0answers
18 views

Upgrade, unable to boot

I've just done a regular upgrade on my system. I restarted my computer and Ubuntu won't load. All I've got is a small blue window that says HDD has been blocked by the current security ...
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1answer
29 views

My computer won't boot up

My computer won't boot up and I get the error messages shown below including the following message: Input/output error Filesystem check or mount failed. A maintenance shell will now be ...
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2answers
34 views

How do i Install Windows now? [duplicate]

i recently bought a new PC and i had no Windows available (my stick broke, had to buy a new one). So i just used a 4 GB Stick to install Ubuntu. Now i though i just can install Windows like normally ...
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0answers
14 views

Black screen booting any Ubuntu x86/x64 on Acer Aspire 5749

I need to install Ubuntu 14.04 64bit on my Aspire 5749. However, my machine cannot boot from any Linux USB. This is NOT a USB problem, as the USBs work with different OSes and on different machines. ...
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0answers
31 views

Windows 7 screen not displayed after installing Ubuntu

I bought a new laptop with DOS and I wanted to make it dual boot (Ubuntu 14.04 and Windows 7, both 64 bit). I took the following steps to install both systems: Installed Windows 7 OS Windows 7 ...
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0answers
17 views

How to upgrade from Ubuntu 9.04 to Lubuntu 14.10?

I have an old laptop with 256 MB RAM, which does not boot from USB nor does it boot CD created from ISO. Only Ubuntu distribution that I managed to boot and install was an old 9.04 Ubuntu that I ...
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0answers
13 views

Ubuntu (12.04 LTS installation) does not boot after update

After proceeding with an update my Ubuntu (12.04 LTS installation) does not boot any more. There is no hope using grub2 (because it does not boot up at all). But I did succeed in booting my PC with ...
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0answers
13 views

No Login Screen in Ubuntu 14.10

I formatted my Windows 7 and installed Ubuntu 14.10. It was a clean install. Now, the problem is, when my machine boots, I don't get the login screen but only the blank screen. I have to restart ...
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0answers
26 views

How to boot Ubuntu in complete darkness?

Is there a way to load Ubuntu without the splash screen or verbose mode? That means no visual queues or code reporting. Is this possible? Known settings in the grub loader: Verbose Mode ...
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1answer
26 views

u410 SSD BIOS Problems

I am all out of idea, can someone help a newb? I have successfully installed Ubuntu 14.04 on a Lenovo u410 with UEFI on, secure boot on and with optimus enabled but with several issues at hand. I ...
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0answers
17 views

Ubuntu messed up Windows Bootloader (MBR)

I recently tried installing Ubuntu and dualbooting it. I selected the "install alongside Windows 7" option and created a ~60GB partition, and it followed through well. When I wanted to return to ...
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0answers
31 views

Black screen and login loop after updates Ubuntu 14.04 LTS

I have been using 14.04 LTS for a year now, perfection! Then this week I had new updates, for which one of them had an error. I cannot recall which one had the error. After reboot the login screen ...
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1answer
39 views

During installation of Ubuntu it showed Warning! message What can i do for this [on hold]

I tried for Ubuntu 10.10 .... it shows warning ! the warning message seems :- /dev/sda contains GPT signatures, indicating that it has a GPT table . However, it does not have a valid fake msdos ...
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0answers
11 views

Dual Boot | TRY (hd0,0)! EXT2

I am trying to Dual-boot my HP Pavilion G7 with Windows 7(or 8.1) and Ubuntu (installed first). However each time I go through the process I end up with nothing but a broken Ubuntu boot and a working ...
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4answers
40 views

I deleted ubuntu and now GRUB doesn't boot into windows anymore

I am aware that if you just delete ubuntu, your pc isn't going to work anymore. I followed this guide on how to repair the MBR but it won't work so now I'm doomed. it said to do: -bootrec /fixmbr ...
0
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1answer
22 views

14.04 Resetting Ubuntu startup settings?

When I first installed Ubuntu dual-boot I would boot the computer and select Ubuntu 14.04, and a terminal would just flash with my username and take me to the logon screen, everything running smooth. ...
1
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1answer
32 views

Unable to shutdown, restart or logout

I am unable to shutdown, restart or logout from my ubuntu 14.04 machine. The screen goes blank, but the system hangs, then the fan begins to run fast. I have to turnoff the laptop by pressing and ...
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2answers
29 views

Computer boots on it's own

I have a Dell P4 that had Windows 7 and booted automatically every day a 8am. I downloaded and installed Ubuntu and it still "Magically" boots up. Could it be programed in the BIOS? I cannot find a ...
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votes
1answer
42 views

Help me. my boot time is more than 20s

i have a hp pavilion laptop with 2gb ram, intel i3 and 500gb hdd boot time is taking too long(>20s). tried preload, e4rat, e4defrag etc but still no improvement below is my dmesg output ...
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0answers
12 views

Simulate Universal Bootloader (DAS U-BOOT) with Qemu

I was trying to simulate u-boot with qemu for the ARM based versatile_pb board. I was successfully able to CROSS_COMPILE my u-boot source code with the gcc-linaro-arm-none-eabi-toolchain and create ...
0
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0answers
13 views

Dual boot RHEL 7 with ubuntu 14.10 installed

I have an old machine with processor Intel(R) Pentium(R) CPU B970 @ 2.30GHz with 64 OS support but does not supports VT and I am doing my RHCE certification in RHEL7 and I want to dual boot my ubuntu ...
1
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1answer
19 views

Customize splash screen on live CD. || Initrd.lz problem

I try to customize splash screen on live CD session LUBUNTU 14.04. According to this solution, i need to edit initrd.lz file and replace with my own plymouth theme. So.. # cd extract-cd/casper # ...
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1answer
31 views

Problem installing Ubuntu on MacBook

I have a macbook that cannot get past the startup splash and the spinning wheel under the Apple logo. edit bodhi.zazen - removed extra information.
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0answers
6 views

U-Boot switch kernel on OMAP device

I build my own kernel for armel architecture, successfully installed it on my device, can see it in kernels list: dpkg --list | grep linux-image ii linux-image-2.6.33-500-omap ...
0
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1answer
33 views

Dual boot: several Windows 7 loading entries in GRUB2 - should I delete any?

The system is Acer Extensa 2510G, and there's only one HDD. This is how the GRUB2 menu looks: Output of sudo update-grub2: The scripts themselves: Windows UEFI bootmgfw.efi: search --fs-uuid ...
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1answer
26 views

How do I install _“64-bit Power PC Ubuntu 14.04 ”Trusty Tahr“ Minimal CD” on my MeeGoPad Stick T01 64-bit?

The MeeGoPad Stick came with Windows 8.1 and Android that I also would like to remove and run Ubuntu only. I cant find a way to mount the mini.iso file to a bootable usb. I am using Rufus 2.1.649 and ...
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0answers
7 views

my dell gx270 wont boot up after failed ubuntu update [duplicate]

My dell optiplex gx270 wont boot up all i get is a black screen that says stopping system V runlevel compatability. I have not tried anything to solve this problem
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1answer
23 views

Not able to boot to already installed Windows and Ubuntu in Hard drive

I am facing problems with OS booting of my laptop. I had a dual boot Ubuntu 14.04 alongside windows 8.1. I generally work in Ubuntu and one day when I started my system Ubuntu wasn't booting up. It ...
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0answers
26 views

I can't boot: SMBus Host Controller not enabled

I'm using Ubuntu Server 14.04.2 on Hydrahost without the GUI and run on console only. I need to autologin my guest user and try to follow the answer on this page, but it turns out make my Ubuntu ...
0
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2answers
15 views

Why is my flashcache device /dev/mapper not appearing for the root partition cache? [on hold]

I successfully set up a flashcache for a data partition and am now struggeling with the setup for the root partition. I followed the DKMS README and can either boot into initramfs shell where I can ...
0
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2answers
29 views

Grub dont shows after windows 8.1 update [duplicate]

I had ubuntu 14.04.2 LTS installed in dual boot with windows 8 with grub2 as boot manager. The problem arose when the updated windows 8 for windows 8.1, now grub is no longer displayed when starting ...
0
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1answer
12 views

Ubuntu Server doesn't boot after initial install boot on external hard drive

I have read a number of posts about similar issues but nothing so far has done anything to help me. I am also fairly inexperienced with setting up linux distributions. I am trying to instal Ubuntu ...
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0answers
7 views

Booting Problem after removing old kernels and having run boot repair

Having cleared old kernels, I am unable to boot into Ubuntu 14.04. After a suggestion here, I ran boot repair, which came up with the following URL http://paste.ubuntu.com/10816487. Could someone ...
0
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1answer
19 views

Why does the screen go dead until I press escape every time I boot up?

I have Ubuntu Studio 14.04, it is the only operating system on my machine. Every time I boot up, the BIOS loads, and then the screen goes dead and will stay that way unless I press ESC, in which case ...
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0answers
7 views

The disk drive for /u01 is not ready yet or not present

when i boot i see this message The disk drive for / is not ready yet or not present. Continue to wait, or Press S to skip mounting or M for manual recovery. i want solution to remove this message and ...
0
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1answer
30 views

cant install windows 8 while ubuntu is already installed ! [want to dual boot] [duplicate]

I am having ubuntu 12.04 LTS , I was trying to install windows8 but at the partition selection i got this error " We couldn't create a new partition or locate an existing partition" . But i had ...
0
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1answer
24 views

Error while booting Ubuntu 14.04

I am a beginner with Ubuntu. My laptop is working fine and very fast ever since I made the transition from Windows! So no regrets... In Windows I used Bluestacks to use Whatsapp on the PC. I also ...
0
votes
1answer
15 views

I can't install ubuntu on my asus s451l

I have a new computer and unfortunately it came with an operating system called windows. I want to install ubuntu on it but I have falied epicly, apparently it has something to do with UEFI. I already ...
0
votes
1answer
16 views

Does someone mind taking a quick look at my boot-repair log? No operating system found

Symptoms: Previous Ubuntu install worked fine for a while (months?). One day the interface disappeared, leaving visible only folders that happened to be on the Desktop. After some troubleshooting ...
2
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2answers
25 views

How can I make Ubuntu not mount efi partition by default at startup?

I've a Asus laptop with windows 8.1 pre-installed, I've managed to install Ubuntu alongside it, and for some days it worked fine. Today, out-of-the-blue, Ubuntu just goes black screen and I'm back at ...
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0answers
23 views

Ubuntu installed alongside W8, W8 wont boot anymore, live usb isnt recognized

I think I might be screwed. I normally run preinstalled windows 8.1 on my Lenovo IdeaPad P400 touch, and I decided to try out dual booting Ubuntu 14.04, having never used Linux before. I edited the ...
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0answers
19 views

Ubuntu suddenly restarts and is unable to mount /boot/efi anymore

My problem is the following: I have installed Ubuntu 14.10 in my asus laptop with pre-installed windows 8.1, everything went great and I managed to have grub doing dual boot and I used both OS's for ...
0
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0answers
17 views

No Boot options [on hold]

I was trying to install Ubuntu from a bootable USB on my medieval Acer desktop, it currently has windows 7 ultimate. The boot settings only show the order of things to boot from; hard drive, LAN, ...
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0answers
3 views

Unsecure boot on macbook pro

first i would like to mention i'm not using dualboot. I own a macbook pro 15", retina display with intel iris pro. model 11,2. Just booted ubuntu 15.04 from usb pen, and installed using full disk. ...
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1answer
56 views

Installing Ubuntu/ElementaryOS on a 2560x1440 display (X1 Carbon Lenovo) [on hold]

I just put a 14.04 64bit LTS version on a USB Stick an tried installing it on my X1 Lenovo Carbon 2nd GEN with a High DPI Display. When the install dialogues load up it looks like this: I can not ...
0
votes
1answer
28 views

installing ubuntu 14.04 from usb error

I have been trying to install Ubuntu 14.04 and 14.10 from a gorilla 32gb flash drive, it will install and on reboot if i take out the usb as the computer starts up i get a message telling me to insert ...
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0answers
11 views

I recently upgraded ubuntu 12.04 to ubuntu 14.04 and now its showing bootloop

I tried to upgrade ubuntu 12.04 Lts to 14.04 Lts (trusty tahr).my connection is bit laggy and had losted connection 4-6 times.everytime after connection loses next time it will ask for partial ...
0
votes
2answers
27 views

dhcp is not working

I am using 14.04 and installed isc-dhcp-server in my ubuntu. here is my dhcp configuration. INTERFACES="eth0" allow booting; allow bootp; subnet 192.168.1.0 netmask 255.255.255.0 { range ...
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0answers
19 views

How to fix partition table where partitions are moved outside of drive and are overlapping?

So, I was trying to do a resize of a partition to make a partition for my linux install. As such I simply tried doing a resize on my Windows OS partition. Performed the resize using GParted. Created a ...