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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1
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3answers
10 views

I only have ubuntu in a laptop with UEFI. How can I change the OS?

Well, Before I start explaining my problem I would like to apologize for the mistakes I could commit since I'm not an english speaker. This is the thing: I bought a laptop and it came with Windows 8, ...
1
vote
0answers
6 views

Help with botched 14.04 LTS dual boot install/Auto-boot grub fails to get into windows 8.1

First-time poster here, sorry if the title isn't written well(suggestions welcome) System specs(if helpful): AMD 750k processor Asrock FM2A55M-HD+ mobo Seagate 1TB SSHD(hd0) WD 320GB HDD(hd1) 8gb ...
0
votes
1answer
17 views

rEFInd can't find Lubuntu kernel on Lubuntu partition

I was sent here from another forum. I'll repeat my entire post here for completeness: I'm trying to get refind to boot the Lubuntu kernel directly instead of maintaining the manual config and using ...
4
votes
3answers
10k views

Getting “boot error” when trying to boot from USB

I'm wanting to try out Ubuntu, so followed the instructions for how to install Ubuntu onto a USB. I downloaded the .iso file, then the pendrivelinux 3 part process to make the USB bootable. I can ...
1
vote
0answers
232 views

Can only boot in recovery mode and resuming normal boot, but then Ubuntu gets very slow after resuming normal boot

I've just installed Ubuntu 14.04(Ubuntu only no windows) and I'm not able to do a normal boot, screen freezes. I have to go to recovery mode and then "resume normal boot" to start Ubuntu. That would ...
4
votes
4answers
1k views

How to install snappy Ubuntu 15.04 Core images on a PC

Can you please help with some instructions on how to install Snappy Ubuntu core on an AMD64 PC? I can find the image at this URL. But I've not been successful installing booting it of an USB and ...
0
votes
1answer
22 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
33 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 ...
1
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0answers
11 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
0answers
34 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
6 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
5k views

How do I get passed the “MBR-helper missing” error message in installation?

I'm entirely new to Linux/Ubuntu so please bear with me. I currently have Windows 7 32Bit and wanted to install Ubuntu. I used the installation off the website and copied it onto my bootable USB. As ...
2
votes
1answer
164 views

Unable to boot to encrypted root partition after Ubuntu 14.10 upgrade

I am running a Lenovo T440p with a clean install of Ubuntu. No dual booting. Over the weekend I upgraded from Ubuntu 14.04 to 14.10. There were some package install errors that led to Ubuntu being ...
0
votes
2answers
29 views

Problems running Ubuntu [on hold]

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? ...
1
vote
1answer
128 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
1answer
4k views

I really wanna use ubuntu on my dell venue 8 pro

I am using dell venue 8 pro. but I think windows8.1 it is not that good on tablet. it is just allowed touch input system. but i think ubuntu is working well on tablet. so i searched a lot in google ...
0
votes
1answer
11 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 ...
39
votes
7answers
90k views

How do I get my Mac to boot from an Ubuntu USB key?

If you select "USB" and "Mac" on this download page, it gives a series of command line instructions to make a USB key which the MacBook will boot into Ubuntu from. I've followed them to the letter ...
70
votes
2answers
52k views

Why this occurs error: Diskfilter writes are not supported

This message occurs when leaving the Grub menu and before the Ubuntu splash screen. How do I fix the problem to clear the message? And what doe is it mean? error: Diskfilter writes are not ...
0
votes
0answers
13 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
1answer
20 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
5 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
15 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 ...
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
1answer
18 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
21 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 ...
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 ...
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 ...
2
votes
1answer
5k views

Insmod error in grub: symbol not found:grub_realidt

I have a dual boot PC with Windows 7 and Ubuntu. I upgraded from 12.04 to 12.10 and then to 13.04 and since then I have not been able to boot because the PC goes into grub rescue with the error "File ...
2
votes
6answers
56k views

Install Ubuntu in UEFI mode (unable to boot from USB)

I recently bought a Dell Inspiron 15R SE with Windows 8 (64 bit) pre-installed (UEFI supported). I want to install Ubuntu in dual boot with Windows 8. I tried to follow all these instruction and these ...
1
vote
1answer
19 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
4answers
45k views

Uninstall Grub and use Windows bootloader

I have Windows 8 pre-installed and then installed Grub with Ubuntu. Ubuntu is not my thing so now I want to remove it along with grub. From what I have learned, with UEFI, Grub does not overwrite the ...
0
votes
0answers
9 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
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
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 ...
2
votes
0answers
153 views

Windows 10 and Grub not working properly

I recently decided to test Winodows 10 on my HP dv6 laptop with Ubuntu 14 installed. I was able to get Windows up and running without any problems but getting Ubuntu and Windows to boot properly has ...
0
votes
3answers
4k views

Can't access BIOS and installing a windows hard drive

Built new computer: AMD FX-8320 Eight-Core Processor × 8 9.7 GiB RAM Graphics GeForce GTX 650 Ti BOOST/PCIe/SSE2 Ubuntu 13.10 64-bit Desktop Computer 1 TB HardDrive BIOS Type, UEFI BIOS ...
3
votes
2answers
92 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
3answers
5k views

Why doesn't the bootable USB show up in the BIOS?

I followed all the instructions on the Ubuntu website as to how to install Ubuntu using a bootable USB. I got the linux pendrive thing, formatted the USB, and have nothing on it besides what was put ...
0
votes
2answers
25 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 ...
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
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
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 ...
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 ...
33
votes
5answers
70k views

How can I show or hide boot messages when Ubuntu starts?

Is there a way to easily turn on/off showing the boot messages (loading the services) when Ubuntu starts? Is it something in Grub2? I am running Lucid.
0
votes
0answers
17 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 ...