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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Disk shown invalid after ubuntu installed with windows 8.1

I have recently installed Ubuntu with windows 8.1. It worked fine but one day it crashed my windows boot-loader. In diskpart section of windows troubleshooter (cmd) my disk is shown invalid and I ...
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2answers
27 views

boot linux on separate drive from xp (not dual boot)

Please bear with me as I am fairly new to Ubuntu and this may be long-winded. So I have an old PC with BIOS. It came preinstalled with XP on one drive. I installed Windows 7 on a 2nd drive. I have a ...
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25 views

Windows 8.1 not booting after trying ubuntu 14 on hp 1000

It all started when I made my harddisk drive bootable and uses C (where my windows 8) was installed to boot ubunt, I used unibootein software for it. It worked fine for me every time on start up I ...
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1answer
56 views

How can I detect when the boot sequence is complete on headless system

I have a CONF file in /etc/init to configure and start software on my headless machine. When a monitor is attached for development and testing I see that my software starts near the end of the boot ...
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36 views

Solved-Install Ubuntu on Yoga 2, first windows 8 install

So, I recently just got a Yoga 2, and found this guide to installing ubuntu on it https://datainfer.wordpress.com/2013/11/21/install-ubuntu-on-ideapad-yoga-2-pro/ My question is, In the guide, it ...
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27 views

Tried Ubuntu from stick - did not proceed with install : Now Windows 8 wont load “Operating System Not Found” [on hold]

I have an Intel Core i3 Acer Aspire running Windows 8. I used pendrive to create a bootable USB stick (option for persistent storage enabled 4GB off a 15GB usb stick). I hit F2 at boot to enter the ...
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1answer
28 views

Repair GNU GRUB [duplicate]

I have Ubuntu 14.04 LTS as Dual-Boot with Windows 7 and everything worked superb. Then as I booted my PC GNU Grub rescue popped up and told me, that it couldn't find my SSD. But as I booted into the ...
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30 views

Access GPIO pins on pandaboard running ubuntu 12.04

The trouble I'm having is that the error message shows that the kernel does not support gpio. So, what should I do to make the kernel support gpio?
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25 views

Windows 8.1 updated and now grub is in boot repair [duplicate]

After i updated my Windows 8.1 partition and rebooted into Grub2 it put me straight into grub repair. How could i fix this because it is very annoying
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1answer
30 views

Boot in UEFI mode

I have ubuntu 14.10 installed on a pendrive in legacy mode. I can use it to boot my desktop and tablet in legacy mode, but not UEFI. Is there any way to make it bootable in UEFI mode? For example, ...
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44 views

How does Upstart knows if linux system processes started?

According to the Upstart cookbook, the upstart script initctl sends a notification to all interested parties (either jobs or other events). My question is quite specific: how do jobs like d-bus, ...
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0answers
39 views

Black screen and restart after grub menu

So looks like this question gets asked a lot, but it is after ubuntu is installed it seems. I haven't messed with a Linux distro in awhile, but I am sure I am doing it right. I have tried installing ...
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1answer
26 views

Bootchart and how to optimize boot time

I have spent some time researching how to decrease my boot time. I made several changes to my grub boot parameters. However I could really use some help to understanding what else I could do. I spent ...
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1answer
27 views

The disk drive for‭ ‬/media/My_Passport is not ready yet or not present

I have a dual boot with Mint MATE and Xubuntu on ONE hard drive.‭ ‬I NOW have a problem when booting into Xubuntu with a notice of the following: The disk drive for‭ ‬/media/My_Passport is not ready ...
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0answers
45 views

Mac: Installer Won't Boot (CD/DVD/USB)

I hope someone can help. I've been trying for weeks to install Lubuntu to my 2006 iMac 5,2 Intel Core Duo. I've gone through a stack of CDs and DVD, as well as a thumb drive trying to find the right ...
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0answers
26 views

Grub Customizer not changing anything

I've changed the order and removed a couple entries in the Grub menu. I hit save, and it goes through saving without an issue, and when I run update-grub, it's output matches my changes (ie. found ...
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1answer
29 views

Update grub to remove old installations of Windows and Linux?

I know you are gonna say this question is already asked but all i could find in searching is answers on how to update grub to remove old kernels and/or installations of linux. My question is a bit ...
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0answers
88 views

after apt-get dist-upgrade ODROID C1 can't boot up [on hold]

I have a ODROID C1 using my personal server, and I did apt-get dist-upgrade and after reboot, it can't boot up. It is a non-official image; It doesn't contain GRUB bootloader and I can't boot up as ...
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1answer
22 views

Error on boot after repair disk

My computer running ubuntu 14.04Lts had no problems until it wouldn't start anymore due to an error. I applied the ubuntu repair disk and it would boot again though it gives these errors every boot. ...
0
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1answer
52 views

What is the changes to be made in the BIOS settings to show OS options before booting?

In my laptop I have installed two operating System(OS) Windows 8.1 & Ubuntu in different partitions. When I switch on my lap it was not showing any options for choosing OS, automatically windows ...
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1answer
84 views

fix error: no such partition. grub rescue WITHOUT cd drive

I'm trying to completely remove UBuntu from my Asus Eee PC 1015PEM because I'm giving it to a relative. I thought it would be as simple as deleting the partition it was stored on using Windows Disk ...
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76 views

How to install ubuntu on a chromebook without developer mode? Or enter developer mode without wiping system information (wifi)?

In advance i'd like to thank you for your help. First off, I have installed Ubuntu (Linux) on my chromebook but the problem is it wipes the data and I need the wifi to stay and not forget the network ...
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1answer
18 views

Dual Booting 2x Linux Distros - LVM Confusion

I currently have Lubuntu 14.04 (64-bit) installed w/LVM. I'm trying to install another Lubuntu 14.04 (32-bit). It's an HTPC and there are some retro gaming emulators that will only run on 32-bit. ...
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8 views

Stopping early crypto disks

Im trying to duel-boot my Compaq Presario CQ56 with Ubuntu. When I click the install button, the install program stops at "Stopping early crypto disks" and ejects the CD. Then it just hangs there.
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14 views

dead keyboard on Ubuntu boot

I unplugged the mouse and keyboard to relocate PC in-order to attach it to a Toshiba wall mounted monitor. After setting up the system on that monitor I then proceeded to start up the system ...
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62 views

Triple Boot Yosemite Bootcamp Ubunutu 14.04.2 Blank Screen

Installed Ubuntu to MacBook 2009 running Yosemite and using rEFInd. I managed to get Ubuntu to boot successfully once, straight after install. However, after a few minutes it locks up. Upon reboot, I ...
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2answers
33 views

cant boot after opening 2nd partition on hard drive

have ubuntu 14 and opened another partition on hard drive, i checked the box making this partition boot able and restarted computer, now can't get computer to boot any ideas how to fix? have tried ...
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2answers
92 views

Help With Dual Boot Ubuntu 14.1 and Windows 8.1

So here's my problem. I used YUMI from pendrivelinux.com, and I made a Ubuntu LiveCD. I tried manually and automatically partitioning, and I ran into many problems. After rebooting after installing ...
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1answer
26 views

Ubuntu Partition deleted and got i386 file not found error

My query might be looking similar to others which are already posted here and in other forums. But i didn't see exact problem what i am facing. Here we go, My mistakes: Tried to install windows ...
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1answer
27 views

Ubuntu Server 14.04.1 USB freezes on Startup screen [duplicate]

I'm not exactly an expert when it comes to linux. Anyway, I'm trying to install Ubuntu Server 14.04.1 onto an old machine I use as a test platform. It will reach the screen that gives me the options ...
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0answers
47 views

Ubuntu LTS 14.02 boot failure

I upgraded to Ubuntu LTS 14.02 on my Lenovo T400. After the upgrade, everything seemed to be OK except it could only be put into sleep mode a limited number of times and then refused to do so after ...
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14 views

Laptop Won't Recognize Working Hard Drive

The drive works. I plugged it into my brand new computer and it worked just fine. I installed Ubuntu while it was plugged into my desktop. I encrypted the OS and my home folder. After I took it out ...
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2answers
63 views

ubuntu on external drive

I installed Ubuntu on an external hard drive, but now I need the hard drive to boot into Windows. I made sure that the boot device was on my local drive when I created the partition, but it still ...
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1answer
26 views

No Windows Boot Option In Ubuntu

So I recently installed Ubuntu, but I didn't give it enough space. It started acting weird, so I restarted the computer. Afterwards, it just had a black screen after it started up. I tried the Windows ...
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0answers
14 views

Make UBUNTU USB stick on OS X to boot non mac netbook

I have a fairly old netbook with no cd drive that is capable of being booted from USB. Right now there is no OS installed and I only have a mac to create the USB stick from. My question is simple I ...
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1answer
33 views

Log In lost due to memory loss [duplicate]

Following illness when Ubuntu part installed on 64 bit AMD system I now do not know my Log In, can this be recovered/changed, or shall I wipe the hard drive and start again? I have reset the ...
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2answers
39 views

Grub not finding Windows partition

I recently had a dual boot system with Ubuntu 14.04 and Windows 8.1, separated by partition. I had to do a clean install of Ubuntu on the partition with Ubuntu on it due to some problems I had with ...
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1answer
25 views

how to install OS in pandrive and run on any pc or laptop? [duplicate]

My laptop is currently not being formatted properly. Every time I try to install any operating system it installs, but before I can move to drive, it crashed and gets back to boot screen, it doesn't ...
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1answer
123 views

Black Screen on boot fresh install 14.04.2 [duplicate]

Ive looked around and can't find an answer to my question. I just installed Lubuntu with a live USB and now when i try to boot the only thing i get is a black screen it appears its working but i cant ...
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2answers
57 views

Login problem in Ubuntu 14.04

I have a little problem with Ubuntu: when i type the password to log in nothing happens, the only thing that happens is something similiar to a refresh (I'm using Ubuntu 14.04 LTS). When i type in a ...
0
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1answer
25 views

Which X509 Certificate for Ubuntu Do I Require for Shim UEFI Key Management

Can people please let me know what selections I need to for this - I select enroll from disk and then am presented some .efi entries to choose from. Any ideas/help on what I need to do here as I am ...
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0answers
13 views

USB booting on a mac

I am quite familiar with Linux/Ubuntu and my friend recently asked if I could set it up on his computer. I am thinking that I will install Ubuntu onto a USB of his so that he can boot into whenever he ...
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1answer
42 views

Switching disks make boot fail

I have two SSD disks with Ubuntu 14.04.02 on both. They don't share the UUID or anything, and they are never plugged at the same time. This is a new disk I got last month and did a fresh install. ...
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1answer
22 views

What key for Ubuntu option during pre boot (small twist)?

This question is close to others on the site but I still haven't found an answer. I have a Toshiba Satellite with Windows 7. Ubuntu has been installed on it and I have used it before. I haven't ...
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0answers
22 views

Configure the boot menu in a dual boot system through Ubuntu

I have installed Windows 8.1 alongside Ubuntu 14.04. The problem is that once I turn on the PC the boot menu is completely messed up. Sometimes it appears the typical black menu and sometimes it ...
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2answers
57 views

Dual boot windows 8.1 stuck

I have windows 8.1 and Ubuntu 14.04 in my system. I have used boot repair tool in Ubuntu to fix the grub. Now the boot menu is showing( Before it was not showing). I am also able to boot to Ubuntu. ...
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145 views

will ubuntu 15.04 have UEFI 32-bits UEFI boot support?

Ubuntu 14.05 doesnt have UEFI 32-bits UEFI boot support. And apparently nobody got it working properly with Ubuntu 64-bits. Thats a real problem now for all new laptops which support 32-bits OS and ...
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0answers
55 views

Installed Ubuntu 14.04.2 alongside windows 8, now windows 8 won't boot at all

I tried Boot repair, rEFInd, and almost every other option that was presented in these questions that were already answered, but Windows 8 won't boot at all. When I select Windows 8 upon booting, it ...
2
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1answer
53 views

How to access BIOS settings with EFI?

I have a new PC, based on a Gigabyte H81m motherboard. With no hdd, I can access BIOS settings by pressing DEL at startup. When I install Windows 8.1 with EFI boot, to access BIOS settings I have to ...
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0answers
11 views

After Ubuntu Update I get a black screen [duplicate]

After I updated from Ubuntu 14.04 to 14.10 I select the entry on the grub2 menu, then it shows me some checks then goes to a black screen with a flashing "_". Previously I installed ubuntu then ...