Questions about the bootup process in Ubuntu. Use this tag if you have trouble booting Ubuntu or you have questions about the bootup process.

learn more… | top users | synonyms (2)

1
vote
0answers
9 views

Ubuntu 14.04.2 new install - boot on recovery mode only

I have installed Ubuntu 14.02 on an old HP 540J with a dual boot Windows XP. The PC is a Pentium 4 with 2.8Gig of RAM. When I try to boot on Ubuntu from the GRU I get a black/orange page but it ...
0
votes
1answer
19 views

How to reinstall ubuntu [duplicate]

I got a new computer (Dell inspiron 3000 series) was a system of Ubuntu I turned it on Windows 7 . I want to have again the old system what to do. ?
1
vote
1answer
26 views

Ubuntu 14.04 USB installation drive not recognized during boot(Dell Latitude D630)

Ubuntu 14.04 USB flash drive isn't recognized during boot. I have had a bunch of hardware failures this week and I am down to a hybrid image laptop harddrive with mint 12 installed on it to boot as ...
0
votes
0answers
32 views

Cannot boot with Ubuntu

Some days ago my daughter (who has her own account on the PC) told me she could not boot the computer (A HP Compaq with Ubuntu 14.04). I do not know how it occured, if she did something wrong (I do ...
0
votes
0answers
5 views

Lenovo z510 ubuntu + windows [duplicate]

I need to install ubuntu on my windows 8.1 and I need so I can load at startup or windose laptop or Ubuntu, so I tried it already seems to me it is not correctly installed, and download it into my ...
0
votes
1answer
9 views

Cannot boot into Ubuntu after resetting NVRAM on iMac

I have an iMac and the sole operating system on it is Ubuntu 14.04 I was trying to solve an issue with the DVD drive and so I reset the NVRAM by holding command+option+p+r while the machine was ...
0
votes
0answers
11 views

Need Help Installing Ubuntu on External HD, Switching Boot Order on Windows 10

I had Windows 8.1 and upgraded to Windows 10. Smashing. Since there are some privacy things I don't like about Windows 10, I wanted to install Ubuntu as well for a sort of Dual-Boot setup to learn ...
0
votes
0answers
4 views

Installed ubuntu on my windows machine, windows kept hanging before login screen, now so does Ubuntu

So my windows install would seem to load fast, but before it got to any graphic (even the windows loading screen) it would hang on a black screen for about 5 to 10 seconds (sometimes it would hang for ...
0
votes
0answers
14 views

GRUB fails to install with LVM setup

I have 1x 160GB HDD and 2x 80GB. The way I want to partition all the disks is as follows, GPT partition tables with 10GB partitions which will be LVM physical volumes. The rest of the disk space will ...
0
votes
1answer
19 views

How to change cmdline variables on boot or first boot

Not sure if this is the correct place to ask this question. I am running Ubuntu 12.10 on an EMB-3500 board. Its is an I.MX6Q. So my U-Boot saves the evn variable for my video as a development ...
0
votes
0answers
24 views

How to add Kali linux as third Os (to triple boot) over Ubuntu and Win8 [on hold]

Currently im having a dual boot PC. i installed ubuntu 'alongside' windows 8 and now im using its grub for swap. Now i want to install Kali linux as third OS and i want to make a triple boot with ...
0
votes
1answer
29 views

I am unable to install Ubuntu on my partition

I have 2 hard disks - an SSD and normal HDD. My Windows 7 is installed on the SSD. I have created 40 gb of unallocated space on the HDD for installing Ubuntu. While installing the Ubuntu installer ...
1
vote
1answer
105 views

Windows 10 upgrade kills grub and boot-repair doesn't help

I've just upgraded to Windows 10 from Windows 8.1 on my partitioned laptop that has Ubuntu 14.04 installed. Grub no longer appeared on boot so I ran boot-repair from an Ubuntu liveUSB. This didn't ...
0
votes
0answers
18 views

How to boot a USB to reinstall windows when I have ubuntu installed?

I want to go back to windows 7 for now and I am on Ubuntu and it's the only OS that is in my computer, but it seems that when I go to the boot options when I restart my PC, it could not detect the ...
1
vote
1answer
17 views

How to create a separate /boot partition after installation when dual booting?

I dual boot Arch Linux and Ubuntu. I have the following partition setup: Here sda1 is where Ubuntu is installed, Arch on sda2. New Partition #2 is the proposed /boot. sda4 is a common home for both ...
0
votes
0answers
9 views

Ubuntu booting very slowly

Takes 4 minutes for Ubuntu to boot even with 4 GB RAM and Intel core i5 fifth generation. Please help. Earlier it was booting OK but I installed Fedora alongside and since then Ubuntu boots very ...
0
votes
1answer
17 views

Error message “Start PXE over IPv6 — Start PXE over IPv4 — PXE-E18 server responce timeout”

When I restart my Dell(INSPIRON 3421) PC, it is showing this message : Start PXE over IPv4 -- PXE-E18 server response timeout,Start PXE over IPv6. Now PC takes 4/5 minutes for successful booting. ...
0
votes
0answers
8 views

Grub shows “lsb_release -i -s 2 …” instead of “Ubuntu”

After doing apt-get update my grub shows s "lsb_release -i -s 2 ..." instead of "Ubuntu". How to make it shows back "Ubuntu"? Of course I can edit it manually in /etc/boot/grub.cfg. But every doing ...
0
votes
0answers
11 views

New User for 2 weeks now unable to boot

Longtime Mac User who replaced Windows 7 on a Lenovo Thinkpad Type 418065U. Happily used Unbutu 14 for 2 weeks. Last night a system update was suggested by system. I assumed that was a good idea ...
0
votes
0answers
10 views

Cannot autologin on Ubuntu 14.04 after updates

I just do some updates and now I cannot autologin into my Ubuntu 14.04. Previously, I can autologin, sometimes I cannot. I guess, this is caused by something with systemd. Here my auth.log when ...
0
votes
1answer
10 views

How to disable/skip advance welcome page on Ubuntu Server 14.04?

On every reboot my system stops booting and asks me for a language. After that I have to choose boot form first hard drive. The installation - ISO is not mounted. Can anyone tell me how I can ...
0
votes
0answers
7 views

Force ubuntu to not start X for a specific kernel

I found that I should add the "text" option to the command line, so my boot command looks like this BOOT_IMAGE=/vmlinuz-3.18.19server root=UUID=c77aaddf-4e30-49cc-9f1b-e52d3b09f568 ro video=vesa:off ...
0
votes
0answers
6 views

my 12.04 version on DELL is crashing while booting…how do I resolve this please?

My system while booting is on a perpetual screen roll..and I keep tapping FN+ESC (Lock) and after sometime the system boots and my home screen appears...this was not the case earlier ...how do I ...
0
votes
0answers
17 views

Ubuntu live cd not detecting existing 15.04 partition

I have been using Ubuntu 15.04 since it was released. Today, I had to reinstall Windows 7 for some work requirements. The windows installation went well, and as always, grub had been erased. So now, I ...
0
votes
0answers
13 views

How to increase /boot partition size when installing Ubuntu 14.04 using the “use entire disk and set up encrypted LVM” option?

How to edit the size of the /boot partition when installing Ubuntu? Using the guided partitioning option "use the entire disk and set up encrypted LVM" results is a /boot partition which is only ...
0
votes
0answers
16 views

How do I install Ubuntu on a Lenovo Thinkpad?

I have Ubuntu on all of my computers that I use, so I am fairly clear on how to install it via USB, but this time has been different. I receieved a Lenovo Thinkpad tablet(no keyboard) from my school ...
0
votes
0answers
12 views

Booting USB with LiveCD GRUB

Under VMWare Player, I cannot boot directly Ubuntu 14 from an USB drive, so I would like to start with the LiveCD and boot from GRUB, issuing a custom command. Is that possible? What should be the ...
0
votes
0answers
10 views

GRUB wont recognize ubuntu

I just have installed ubuntu and than red hat linux enterprise after it and now my GRUB menu just shows Red Hat and when I insert Ubuntu disc and try to install it it says Ubuntu is already installed ...
-1
votes
0answers
28 views

Uninstall ubuntu 14 using windows 7 recivery dsk

I am novice to ubuntu. I had dual boot windows 7 and ubuntu on separate partitions. Somehow I managed to corrupt my windows 7 and started to run system recovery using recovery disk. The recovery ...
1
vote
1answer
18 views

Booting from usb in ubuntu on macbook

Ive installed ubuntu solely on my macbook. However, I want to change to windows. I try to open the startup manager by pressing option(alt) on the macbook. However, no options appear. If osx is ...
1
vote
0answers
8 views

How to get to Recovery mode?

my Ubuntu shares the PC with windows 7 how would I get in to recovery mode for Ubuntu and my password is working for root ice tried reinstalling it but nothing Amy help?
1
vote
1answer
112 views

Dual boot Windows 10 Ubuntu14.04 problem

I'm sorry if this question has been asked before, but I couldn't find a solution that worked for me. I recently got a new laptop with Windows 8.1. I added an SSD and installed Windows 8.1 on that ...
3
votes
2answers
85 views

“Error: Invalid signature” when configuring dual boot Ubuntu 14.04 and Windows 10

After installing the Windows 10 upgrade on my laptop, it ruined the grub boot manager, and I could only boot in windows 10. I fixed the boot manager using a live cd with the boot-repair tool, but it ...
0
votes
0answers
36 views

fail to load - grub rescue>

I had dualboot with windows and linux, I tried to change size of windows C: volume and after reboot, it doesn't load ends with grub rescue shell. If I trun on UEFI boot in BIOS it ends with "No ...
-1
votes
0answers
18 views

Fail to boot! Help please

I installed ubuntu, but it failed. Then it sendt me in to desktop to search for answers. When i tried to reboot, it wouldn't boot. I booted an the screen was there for 5 seconds. I can enter bios, ...
0
votes
1answer
27 views

How do I make my computer automatically boot into Windows instead of Ubuntu?

I have dual-OS's on my computer and when I turn it on it will automatically boot into Ubuntu. I am only able to get into Windows if I manually make a selection in what I think is grub (I am new to ...
0
votes
0answers
21 views

Help! (initramfs) failed boot

I cant boot to my ubuntu 15.04, after boot I get to initramfs. After looking for solutions online and here, I'm not sure what I can do to get back my OS and files... I introduced the command blkid ...
0
votes
0answers
14 views

How to optimize boot time

my machine it takes 2 minutes to boot(I know big problem). Although I have a similarity on the other thread it does not explain how to achieve that great performance. I had installed bootchart as ...
2
votes
4answers
2k views

Windows 10 upgrade lead into grub rescue

I was dual-booting Windows 7 and Linux Ubuntu on my desktop, and today is the day they gave out free Windows 10 upgrades. How exciting! I got the update, and it was installing, and I left to go take ...
0
votes
0answers
12 views

GRUB 2 dual boot freeze for a few seconds

Sorry for asking this question again, asked it here a long time ago but didn't get any answers. Since I setted up dual boot with Ubuntu and Windows 8 I have this "problem", grub menu shows up, if I ...
1
vote
2answers
30 views

Help! First time setup password broken! [duplicate]

I tried downloading Ubuntu 14.04 onto my old windows vista laptop. The installation went fine, but when i loaded it up for the first time I got to this screen: Ubuntu 14.04.2 LTS Linux tty1 Linux ...
0
votes
0answers
10 views

Multiboot and same /boot

I have a Win8 partition and some Linux on my laptop. I was wondering if it would be right to create a partition /boot and every time that I install a new linux overwrite it. Will this work or I will ...
0
votes
0answers
36 views

How can I boot from a USB device via grub shell or initramfs?

I recently got my Dell XPS 13 with Ubuntu 14.04 preinstalled. After some time I tried to update Ubuntu (big mistake) just to find out that it doesn't work out of the box and there are some issues to ...
1
vote
0answers
9 views

Is FSCK on boot disabled in 14.04.2?

I have a few different installations of 14.04 server, all 32 bit, mostly kept updated, so I feel confident to say that they're at 14.04.2. One server is on a clients site, and doesn't get updated as ...
0
votes
3answers
48 views

Can't boot after boot-repair

This morning starts with ubuntu updates installation, which unfortunately freezes at some point. I hard-rebooted my laptop and got grub> command-line. There I tried manual boot from each of two ...
1
vote
0answers
20 views

is it possible to run ubuntu kernel on fedora root filesystem?

My concern is theoretical possibility of running ubuntu kernel with fedora root filesystem (e.g. 3.2.58 ubuntu kernel on fedora 22). It's long story why I need this.. Also, I have no chance to make ...
-1
votes
0answers
12 views

Mint won't install over ubuntu from unetbootin, startup disk creator, or terminal dd commands [on hold]

I'm new to linux but have been with Windoze since forever, so have a fair/average knowledge of general IT stuff. OK we have a Lenovo Thinkpad S10 149GB HDD 1.5GB RAM Last week I removed Windows XP ...
1
vote
0answers
24 views

Any possible way to void data on a DVD-R/+R? [on hold]

Alright, so long-story short, I had to completely format both my hard drives. So, I need to reinstall my dual-boot of Windows 7 and Ubuntu. One problem. I lost my Windows 7 installation disk. ...
0
votes
1answer
31 views

Can I delete my most recent kernels

Yesterday I asked about problems I am having with my laptop computer Having problems booting my Lenovo laptop Basically the problem is that all recent kernels are failing, whereas old kernels still ...
0
votes
1answer
28 views

Grub,Ubuntu bootup [on hold]

I am using Ubuntu 11.04. One fine day something went wrong. Instead of loading Windows directly as set by me initially, it started showing me the grub command line. Once I type exit, it shows me ...