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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2answers
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Problems running Ubuntu

When I try to boot in Ubuntu I get an error, to run it I try the Advanced options and I run it on a previous version. I guess it happened from something I installed and it crashed. How can I solve it? ...
2
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0answers
11 views

Ubuntu 15.04 Visual Glitches

I reinstalled Ubuntu 15.04 onto my computer, and I am receiving some strange graphical/visual glitches when I boot up. First off, there is some black terminal grub screen that comes up, tells me my ...
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1answer
22 views

Uninstall Kubuntu from a dual-boot with Ubuntu?

I have a multi-boot system with Windows 7, Ubuntu 15.04, and Kubuntu 15.04 installed in that order. At the moment, I think my system boots through Kubuntu's GRUB. My Windows is installed on an NTFS ...
1
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1answer
11 views

Why does Lubuntu 14.04 Kernel Panic on boot when Notebook is connected to AC Power, but not when on battery

since Ubuntu kernel 3.13.0-59 (or possibly even -58) Lubuntu kernel panics on Acer Travelmate B115-M when the device is connected to AC, but not when it's starts with battery only. Older kernels ...
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0answers
14 views

Noticable Faster Boot With Upstart, 15.04

It takes about a minute to boot with systemd, but however, with upstart just 20, most of the time 10 seconds. I actually can just switch from systemd to upstart, but upstart is not the default init ...
1
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1answer
23 views

Can I create a bootable Windows 7 installation USB from within Ubuntu to boot a 2010 model iMac?

I have a 2010 model iMac on which I have installed Ubuntu 14.04 as the sole OS. I would like to install Windows 7 as a dual boot. I have freed up some space on the HDD. No matter what I try, I am ...
0
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1answer
24 views

Why does ubuntu 15.04 not detect my hard drive?

I have a windows 8.1 laptop. When I try to install Ubuntu via pen drive on the machine, the partition slider(Not the advanced partitioning tool) is showing the pen drive as the storage drive. I want ...
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3answers
28 views

How to install Ubuntu on Toshiba Satellite c850-19z

My computer is using UEFI and is running Windows 8. I've tried install Ubuntu before but I only got as far as putting it on a USB (using universal USB installer). But when I go to the boot manager on ...
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0answers
26 views

Windows 10 + Linux Mint 17.2 [on hold]

I installed Windows 10 over an existing windows partition on my system. Now I can't boot into Linux :( I've tried booting from the Linux live CD and running boot-repair but I get the an error as shown ...
0
votes
1answer
11 views

Having problems booting my Lenovo laptop

I reported a bug on this issue and have had zero response http://bugs.launchpad.net/ubuntu/+source/grub2-signed/+bug/1474342 The problem is that I can no longer turn on my laptop and expect it to ...
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0answers
19 views

I think I've deleted a current kernel on Ubuntu 14.10

I think I've deleted a current kernel on Ubuntu 14.10. I was having some issues with software updates, and I thought I needed to clear some space in /root. I was using some software that was ...
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0answers
6 views

Cannot install 14.04, cannot boot, no correct live environment

I cannot install Ubuntu 14.04.2 on my Acer aspire es1-531. I ran BootRepair and it gave me this paste. I added the nomodeset param to the grub2 to let the live or the installer run properly. I noticed ...
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0answers
27 views

Weird numbers and codes, help!

When I start my ubuntu computer, I see these options. "Ubuntu", "Ubuntu more settings", Memory test (memtest86+)", And Memory test (memtest86+, serial console 115200". When I press enter on the ...
1
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1answer
20 views

Clean install of ubuntu 14.04.2 LTS on PC. Will not boot & bios shows no HDD only DVD?

I am new to this. I have just bought a new 1TB HDD and it is the only drive in my Desktop PC. I downloaded Ubuntu 14.04.2 LTE and copied it to DVD and did a clean installation. After the system ...
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votes
2answers
14 views

Mounting encrypted LUKS partition from Live CD

Error to begin with, can't boot I had to do a hard reboot of my computer, and when booting up it (initramfs I think) gave an error: mount: mounting /dev/mapper/ubuntu--vg-root on /root failed: ...
0
votes
1answer
16 views

Wanting to replace pre-installed Windows 8.1 on my Lenovo laptop with Ubuntu. Needed help on which partitions to remove and which to keep

I have the following partitions right now on my laptop: 1000 MB (Healthy OEM Partition) 260 MB (Healthy EFI System Partition) 1000 MB (Healthy OEM Partition) 462.14 GB (Healthy Boot, Primary ...
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0answers
23 views

what should i do to solve this problem? [on hold]

I recently installed cinnamon 17.1 successfully and every thing was well. one day when i was working ,the power was off and when i open the computer again it showed me this message : Gave up waiting ...
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0answers
32 views

Problem on booting up the system

When I boot up my system it takes a long time and eventually comes up with the following message:- Gave up waiting for root device. Common problems: - Boot args (cat /proc/cmdline) - Check ...
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0answers
8 views

Computer does not start correctly

I'm running Ubuntu 15.04 on a Dell Inspiron. When the computer first starts, most of the time it just hangs on a purple screen. I have to hold the power button to get it to turn off. When it starts ...
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0answers
7 views

start on ( condition ) in file /etc/init/rc-sysinit.conf

I am actually trying to add a boot options to start only the filesystem or start it with the static-network-up based on some system settings. We have a standard installation for multiple types of ...
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votes
3answers
28 views

Ubuntu 12.04 Root Filesystem Full

My root filesystem seems to be full even though my /home directory still has a lot of space. Output from df -h: Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg0-root 19G ...
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0answers
10 views

libkmod: ERROR ../libkmod/libkmod-config.c:686 kmod_config_parse: /etc/modprobe.d/alsa-base.conf line 44

At booting I started getting the following error in Ubuntu 14.04. libkmod: ERROR ../libkmod/libkmod-config.c:686 kmod_config_parse: /etc/modprobe.d/alsa-base.conf line 44: ignoring bad line starting ...
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0answers
16 views

Windows won't dual boot, os-prober can't find Windows and Windows BSOD!

I resized a linux data partition and now windows7 won't boot, I just get a quick flash of a BSOD I've run boot-repair a many times and this is the latest output: http://paste2.org/L2WkzB62 If I ...
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0answers
25 views

Unable to boot Ubuntu from USB Stick

I burned the latest version of Ubuntu onto my USB stick. Then, I clicked on the wubi application on the usb drive, clicked on live installation, then clicked on reboot. When it rebooted, it asked me ...
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0answers
3 views

Can't get plymouth watch-keystroke working on 15.04 with graphical splash

I need to run a lengthy process (let's say updates or backups) during system shutdown. Since they take a while and a user may be in a hurry, I want to give them the option of aborting the operation. ...
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0answers
3 views

Using the installed ubuntu64bit usb reset ubuntu32bit [on hold]

ask yourself that I was used to load ubuntu usb 64bit but because his computer so I reset ubuntu32bit weak but my usb ubuntu64bit use and install, so set yourself to always ubuntu32bit okay?
0
votes
1answer
16 views

Can't boot, new usb device found

When trying to boot into the Ubuntu live usb, I get new usb device found idvendor=1d6b idproduct=0003, and it hangs there, refusing to boot. Ubuntu 14.04 booting into install or live mode, uefi and ...
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0answers
14 views

make boot sequence truly silent (Ubuntu 14.04)

So, on Ubuntu 14.04 using generic kernel, even though kernel parameters include "silent" option, on most boots the open source brcmsmac driver spews log data that makes boot sequence exit the splash ...
0
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2answers
16 views

boot-repair windows not listed

today I installed Windows 8.1 and it broke my grub. I tried to run the boot-repair GUI on a live session of Ubuntu but after the restart of the PC the grub displays ONLY Ubuntu. Before the ...
1
vote
1answer
19 views

Stuck in a boot loop

I have a Lenovo B575. I took the hard drive out of an Asus laptop and put it in this one with the intention of reformatting the drive and installing Ubuntu as a new OS. That was my intent. I can get ...
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0answers
18 views

How can I fix the issue I have with installation?

So I've been trying to install Ubuntu 14.04.2 amd64 for a day and I keep having the same problem. First off, here's some info on my system: CPU: Intel 15-4690k GPU: Nvidia geforce GTX 970 acx 2.0 ...
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0answers
7 views

Unable to enter passphrase for encyrtion - screen looks weird

I have two PCs with encrypted / (home is not separated) partitions. On both i struggle with entering my pass phrase to decrypt the /. One PC has an ATI VGA card with the default driver and the ...
0
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2answers
38 views

How to go back to my account?

I was importing something to my computer which Ubuntu alerted only 9.5MB of space is available on the root drive. Then Ubuntu freezed so I turned my computer off using the turn on key. After I wanted ...
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0answers
3 views

grub2: error: /vmlinuz-3.16-ucs109-amd64.efi.signed has invalid signature [migrated]

I am using a derivative of Debian, called Univention Corporate Server. It's a nice appliance that I use for my home server. Yesterday I upgraded to the newest version and since then my server does not ...
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0answers
15 views

Ubuntu single install SSD keep deleting data

I have a HP-ENVY laptop with 32GB LITEON SSD and 500GB Harddisk. I have a single boot system installed with ubuntu 14.04 on the SSD, and have a Data partition on the HD. Partitions look like this ...
1
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1answer
21 views

Ubuntu 15.04 Kernel panic - Samsung Series 9

Samsung Series 9 Laptop crashes in ubuntu 13.04-15.10 and other Linux (debian, arch, freebsd). Check: cleaned laptop, change the battery, change CPU cooler, memtest, temp. kernel 3.11 - crashes ...
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0answers
9 views

Dual boot Win7 and Ubuntu 12.04 encryption question - ecryptfs

I have Windows 7 and Ubuntu 12.04 installed on my computer, and I would like to encrypt only my Ubuntu home directory. I have these partitions: system reserved NTFS windows 7 main partition (C:) ...
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1answer
57 views

“ALERT! /dev/mapper/server--vg-root does not exist. Dropping to shell!”

So I guess I messed up my Ubuntu Server just now. I installed a 500GB hard drive, formatted it with ext4 and then wanted to statically mount via editing /etc/fstab and the UUID. For some reason I ...
0
votes
2answers
45 views

Cannot boot directly from Grub2 on dual boot Windows 8.1 with Xubuntu 14.04.2

I had Windows 8.1 Professional and Xubuntu in VM, but now I want dual boot. First two partitions I had them before with Windows 8.1 ((1) EFI and (2) msftres) then (3) partition C: and (4) parition ...
1
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1answer
20 views

Will Ubuntu be able to replace windows 7 on my pc? And if which version will work for me?

I have a low spec pc.It has 1 gigabyte RAM, 2.8 ghz Intel processor, 256 mb graphics card. CurrentIy I'm running Windows 7.I heard that Ubuntu is way faster than windows 7. I just do the basics in ...
0
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1answer
36 views

Ubuntu won't start, emergency mode

Hello guys I installed Windows 10 on my laptop (toshiba satelite c660) and after that I ran live version of Ubuntu and restored GRUB (with official boot repair tool) so I can start Ubuntu again, after ...
0
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0answers
24 views

Custom Ubuntu 15.04 Installer - Fails grub install on UEFI systems

I used the ubuntu 15.04 64 bit ISO and customized it using UCK. I installed a bunch of packages into the custom installer & generated the ISO. It installs perfectly in Legacy mode (non UEFI) In ...
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0answers
18 views

Ubuntu won't save the settings I have done after installation

I had created a 4GB bootable USB stick of Ubuntu 14.04 LTS using Universal USB installer. I have installed Ubuntu on my Windows 8.1 PC and allocated it 30GB space. After completing the installation ...
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0answers
41 views

Won't boot, ACPI PCC probe failed

After updating, my desktop machine will no longer boot. It shows the message ACPI PCC probe failed, starting version 219 and then stops in with a command prompt and some text about it being in ...
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0answers
17 views

Ubuntu 14.04 : “serious errors were found while checking the disk for / ” and after that Linux hangs very often

I have been using dual boot alongside Windows 8.1 from 1 year. Very recently the windows shut down unexpectedly, and then started showing "Trying to repair Windows". I knew it would harm Ubuntu file ...
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0answers
19 views

booting error causes ubuntu to boot in text mode

Everytime I boot into Ubuntu I get this error "EDAC sbridge: ECC is disabled. Aborting.EDAC sbridge: Couldn't find mci handler." It's really annoying because I have to wait about 10 to 15 seconds for ...
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0answers
14 views

ubuntu wont start

I upgraded ubuntu today and when it asked me to restart the computer it froze so I did a hard restart and now it wont boot I just get a sceen similar to dos, is it a problem with the new software or ...
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2answers
23 views

Grub will only boot one of my two windows OS [on hold]

I am perplexed with Grub and am hoping someone can advise me. I have three operating systems installed on my computer: Linuxmint 17 and Windows 7 on sda, and windows Vista on sdb. I updated grub and ...
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0answers
9 views

installing ubuntu from burned disk doesnt work on boot, but does just from disk [duplicate]

i used one computer to burn ubuntu 14.04 onto a dvd disk, and when i boot onto ubunto form the drive it works perfectly, maybe a little bit slow. however when i try to install ubuntu on one of my hard ...
0
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1answer
17 views

Messy partitions: How do I fix my HDD and SSD partitions from a USB?

So after finding out I gave my external HDD 250 MB instead of 250 GB I tried to fix it by changing the partitions around with some popular software. Told me to restart my PC. Now every time I try to ...