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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8
votes
3answers
80k views

Install on Second Hard Drive with startup boot option?

In theory, what I want to do is very simple, but I've done some google research and read some posts on this site and I'm still confused. I want to keep win7 on my primary C:\ drive, and install ...
-1
votes
0answers
14 views

Ubuntu 12.04 not booting [duplicate]

Problem:- When i switch on my laptop it automatically goes to grub menu without using shift. Even after choosing linux kernel it is not booting and just end up showing the following message mount: ...
1
vote
3answers
2k views

Cannot Boot After 15.10 Upgrade

I'm in desperation mode. I upgraded to 15.10 last night, via sudo do-release-upgrade. I did nothing else at the time. It passed without incident. Then it asked to restart. I pressed Enter. It ...
0
votes
0answers
22 views

cannot detect windows 7 after dual boot with ubuntu 14.04

I have lenovo B570 system.It had window 7 proffesional.I dual booted it with ubuntu 14.04,at first installer crashed.next time I again reinstalled it there it shown me option to replace ubuntu 14.04 ...
0
votes
0answers
20 views

Booting from Linux USB but not from Windows

I have Linux Mint 16(Petra) and 17(Rafaela) installed on my ThinkPad T-430. I need to install windows (any windows) in a new partition, I already made the partition, but I just can't make windows boot ...
1
vote
0answers
28 views

Locked out of full disk encryption

I setup full disk encryption during my ubuntu install (14.04) and I recently rebooted and now I am locked out. I have not forgotten the password, I use it regularly. After boot when I put in the ...
-1
votes
0answers
13 views

Can't boot 15.10 from NVMe SSD, yet 15.04 worked fine

Ubuntu 15.04 working okay, but unable to install or upgrade to 15.10 from 15.04 with this configuration: Motherboard: Supermicro X11SSH-LN4F CPU: Xeon E3-1225 v5 Boot device: Samsung V950Pro M.2 SSD ...
1
vote
1answer
2k views

How to recover boot menu if I lost my password during the installation

I got a new laptop with ubuntu ready to be installed from the factory. I installed to near the end that it's ask me to key-in login, password, retyped password and computer name. Then, I came to my ...
0
votes
1answer
20 views

Accidently overwrote /boot folder files

I was trying to install a chronOS kernel. But instead of copying vmlinuz-3.19.0-25-chronos, System.map-3.0.24-chronos, config-3.0.24-chronos i overwrote vmlinuz-3.19.0-25-generic, ...
2
votes
2answers
15k views

VirtualBox gives “FATAL: No bootable medium found! System halted” error

I have VirtualBox on Ubuntu 14.10 and some programs don't work on Wine, so I wanted to use a Windows XP SP3 ISO (for basic programs) and it gives me the error "FATAL: No bootable medium found! System ...
0
votes
1answer
39 views

Unable to access BIOS, GRUB menu only [on hold]

I have the latest dist. of Ubuntu and a Toshiba Satellite laptop. I've already searched for the default keys that access the BIOS, (F2, holding ESC) and had no luck. To describe what happens when I ...
0
votes
0answers
21 views

What is random : Nonblocking pool

I saw this message by dmesg and also by replacing quiet splash with debug in grub boot menu. Why is it that my Ubuntu gets stuck at random: nonblocking pool is initialized and takes too long to ...
-1
votes
0answers
18 views

Im not able to install ubuntu or Xubuntu on my Linx 1010 Tablet

im Not able to install ubuntu OR Xubuntu OS in my Windows 10 Tablet, which has Keyboard with Mouse pad. I tried the USB boot, as soon as i try to boot it from USB it displays USB boot option not ...
1
vote
2answers
6k views

Why I need several boot partitions (EFI and bios grub)?

I'm trying to understand how to properly partitioning the disk for future Ubuntu installations. The reason: after trying to install Windows 7 alongside Ubuntu, I enabled "Legacy mode" on my HP ...
0
votes
2answers
73 views

Windows not loading after Dual Booting windows 10 & ubuntu 15

I am a complete Newbie to Ubuntu. I had Windows 10 upgraded from Windows 7. I dual booted it with Ubuntu 15, by selecting "Something else" in the installation menu, later creating partitions for ...
0
votes
1answer
28 views

Boot/repair problem

I am attempting to repair a new Ubuntu 15.10 installation with Boot-repair. This is a standard non-UEFI installation. I installed Boot-repair onto the Ubuntu 15.10 Live CD and started it. When I run ...
1
vote
0answers
37 views

Dad tried to upgrade to 15.10, now it wont boot anymore. Can I reset it?

He tried to upgrade from 14.04 I believe to 15.10, now after he types in his password it looks like this: http://imgur.com/AZqSWal It's an AIO desktop from asus core i5 with a nvidea 540m connected ...
1
vote
1answer
155 views

SELinux enforcing mode problem

I install selinux-basics and selinux-policy-default in ubuntu server 13.04, but when i set selinux in enforcing mode and reboot, my system doesn't boot up and I get following error: mountall: mount ...
0
votes
1answer
38 views

Windows Install [duplicate]

Ok I recently installed ubuntu 14.04 on all of my computers and want to put windows 7 back on my desk top, I boot from the cd everything looks to start normal, after clicking install windows 7 it ...
0
votes
1answer
4k views

ubuntu 14.04 Grub Rescue error

So I installed linux (ubuntu) yesterday on a fresh hdd with a disk. It worked fine till today when it froze after I had had it in sleep mode and I had to turn it off and on again to be greeted with a ...
1
vote
1answer
158 views

Ubuntu 15.10 freezes, shut down, suspend, restart doesn´t work (ACER Aspire E-15 Start)

I am using ubuntu 15.10 and I am unable to shut down, restart, suspend, although logging off/on works. I have tried to update the grub with this command: sudo grub-update then my ubuntu system can't ...
0
votes
1answer
35 views

Lenovo thinkpad W540 and Ubuntu 15:10

I am a new user of Linux OS I have this laptop w540 with these configurations Intel(R) Core(TM) i7-4810MQ CPU @ 2.80GHz Physical Memory DDR3, 32.000 GB Logical Sector Size Samsung ...
0
votes
1answer
204 views
+50

hd1 cannot get C/H/S values

Ok, I know there are many questions about this topic, but I can't found a convince answer (fixing the problem or not). Recently I bought an SSD drive and installed in main SATA (hd0), I've replaced ...
0
votes
0answers
26 views

Boot Ubuntu from VHD with Windows 10

Is it possible to native boot Ubuntu from a VHD file using Windows 10? If so, how?
0
votes
2answers
109 views

Installing Ubuntu on MSI GT72S G-220

I'm having issues getting Ubuntu 15.10 on my system. These are my specs: 6th Generation Intel Core i7-6820HK (2.7 GHz) 32 GB Memory 1 TB HDD 256 GB M.2 SSD NVIDIA GeForce GTX 980M 8 GB GDDR5 ...
0
votes
0answers
14 views

How to decrypt ubuntu on load from usb key

I have selected disk encyption option on ubuntu installation. And now I have to type pass to decrypt it on load - [ubuntu load encryption][ How can I create "usb-key" to unlock it automatically if my ...
0
votes
1answer
52 views

Give more Hard disk space to Ubuntu

I know my question have been asked quite a few times on this forum but I am not sure if my situation is similar to what was described in those threads hence I decided to create a different one. Anyway ...
0
votes
1answer
35 views

How to fix the starting up problem with two operation system?

I have installed Ubuntu & Windows 10 on my laptop in different drives. But when I start up my laptop. The option to choose system Win 10 always failed. I could only use "F12" to start ...
0
votes
1answer
52 views

Cannot boot after a failed update from Ubuntu 15.04 to 15.10 Update

I was running Ubuntu 15.04 on my HP EliteBook 755 and was updating to 15.10 when the update process was stuck for several hours at the same place, so I hit the power button to reboot. Now the system ...
0
votes
0answers
16 views

fb: switching to radeondrmfb from simple Stalls Ubuntu Boot Process

When I boot my machine up here is the message i get: fb: switching to radeondrmfb from simple Thank you in advance.
1
vote
1answer
7k views

How is ubuntu live user graphical session (startx) started up in a LiveCD?

I am trying to build a custom ISO, using ubuntu-builder. I've taken a 12.40 mini remix ISO as a starting point. Here is my specific example - however, I'm interested in principle how the process goes ...
1
vote
1answer
43 views

Computer won't boot without a USB drive?

I ran boot-repair and got this pastebin The computer won't even let me run the BIOS without the USB I installed Ubuntu from plugged in. Interestingly enough, I formatted that USB drive right after I ...
0
votes
1answer
18 views

Mp-bios bug:8254 timer not connected to io-apic error on Vostro 1000 LiveUsb

I'm trying to install lubuntu on to my Dell Vostro 1000. I'm using a LiveUsb (via pendrive). I get the start up screen and when I choose try lubuntu without installing I get this message: Mp-bios ...
1
vote
2answers
62 views

*Grub* Windows 10 doesn't start anymore

I have a SSD with 2 partitions. The first one belongs to Win10 and it worked fine. I installed Ubuntu 15.10 on the second one and it also works fine. Problem is : When I boot, Grub is correctly ...
0
votes
0answers
88 views

Two GRUB instances after BIOS update and Windows 10 reinstall

I've setup a dual-boot of Ubuntu 14.04 LTS and Windows 10 successfully. I've been able to use both for months without any issues. I recently got various problems with my Windows 10 so I decided to ...
1
vote
6answers
4k views

Reliable bootable USB creator in Ubuntu

I need a reliable application which will make usb pen drives bootable. Recently, I tried creating a bootable lubuntu-13-04-alternate usb on a ubuntu 12.10 system but ended up with 'boot error' when ...
0
votes
0answers
20 views

Ubuntu 14.04.3 installed but boots grub>

Install went to /dev/sdb7 and my boot up only opens grub> How do I boot? Still booting from USB flash drive not from hard drive...
1
vote
4answers
1k views

Bootable USB needs CD-ROM?

I am attempting to install 'Ubuntu Server 14.04.3 LTS' with a Flashdrive (there is no DVD/CD onboard). However, after keyboard selection a notification is presented saying: "Your installation CD-ROM ...
0
votes
1answer
31 views

Installing Ubuntu Desktop

I want to install Ubuntu in my laptop. I own a Toshiba Satellite C650. This model is not mentioned in Ubuntu Desktop certified hardware section. Would my laptop still be run Ubuntu along with Windows ...
0
votes
1answer
22 views

Double hard drive, double OS windows+ubuntu

I bought an SSD for my laptop and I moved the old one on the optical drive bay. I installed windows on my SSD and then installed ubuntu on the old one (sdb). I installed Ubuntu using manual ...
1
vote
1answer
14 views

Machin reboots during istallation

I've tried both versions now, 14.04.3 and 15.10 with the same result. No matter if I just choose to try without installation or install I'm stuck in a bootloop. Istantly after I choose one option the ...
0
votes
1answer
6k views

Error: no such partition grub rescue [on hold]

I have make drives on my hp laptop b/c i have to install linux on one drive while using windows on other.? one of that drive is if 100gb but while installing linux (version fedora) i have made this ...
0
votes
1answer
32 views

indicator-keyboard-service crashed with signal 5

Recently when I boot my PC in the initial session Ubuntu show me an error (listed in title) Error initial session of ubuntu recently I installed web cam HD3000 but it works well instead error. ...
0
votes
2answers
25 views

efibootmgr creates an entry in which DevPath is set to Venhw istead of PciRoot

Hello I have a big problem because you see when I use efibootmgrto create a boot entry it just makes a unbootable japanese character in the EFI boot menu and this is very bad. On the other hand when ...
0
votes
1answer
36 views

Ubuntu doesnt want to start!

I have a DVD with Ubuntu on it. When I restart my PC (with the Ubuntu disc inserted) nothing happens. Windows 8 just starts up. I tried with my friend's DVD as well. I have 3 discs with Ubuntu on them ...
0
votes
3answers
47 views

I installed Ubuntu 14.04.3 LTS, but I can't boot into it. How can I fix this?

I've installed Ubuntu 14.04.3 LTS from a USB drive, on a PC running Windows 8.1. But when I turn on my PC, I'm not presented with an option to choose to boot either Windows or Ubuntu. Instead, I'm ...
0
votes
0answers
18 views

14.04.3 - Ubuntu GNOME - Can't boot

After selecting Ubuntu GNOME in GRUB, the boot freezes at the logo. Last things that I've done are sudo apt-get update && sudo apt-get upgrade I've also installed Android Studio from the ...
4
votes
6answers
4k views

Ubuntu 15.10 upgrade gives blank screen

I did the upgrade to 15.10 and I boot up into a blank screen. I am able to get to the consoles, tty1, tty2, and etc. I do have a video card; I think it is NVIDIA...
0
votes
2answers
32 views

Where will the boot loader be installed if I choose “install alongside windows 10”

The situation of my disks and partitions: disk 1 260 MB --->EFI system Partition OS(C:) 118.48 GB NTFS --->Boot ,Page File, Crash Dump,Primary Disk Partition 499 MB --->Recovery Partition disk 2 ...
0
votes
1answer
395 views

Cannot boot into the bootable USB stick on Lenovo G470 [duplicate]

I want to help my sister to move from Windows 7 to Linux Ubuntu 14.04.1. When I boot the computer into the bootable USB stick, it just show me : ------------------------------------------------↓ ...