Questions tagged [boot]
Use this tag if you have trouble booting Ubuntu or you have questions about the bootup process.
24,418
questions
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Slow boot and freezes at startup
I am using Ubuntu 18.04 with 4.15.0.29-generic kernel. The boot process takes a long time and I have noticed the fonts style changing at startup.I have already tried a bunch of things on google, but ...
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Reinstalling/Reparing ubuntu without USB
I screwed up yesterday by changing my BIOS settings (from UEFI to Legacy I think) and now I can't open my BIOS correctly. I then lost the access to my old Ubuntu 18.04 LTS, but got to recover it using ...
3
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1
answer
224
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How to diagnose suddenly failing grub boot from iso?
I have had my Ubuntu 18.04 system set up to optionally boot off several .iso files (the .iso files are stored on a different hard drive from /) and it's been working for a long time. I set it up ...
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Need help with dual booting
I tried dual booting Ubuntu and windows but when I finish the installation it just brings me back to windows. No option for ubuntu or anything. Any replies are greatly appreciated
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2
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sudo gparted on unmounted bootable partition - all options disabled
I've read this related question, but my partition is not mounted. I've just created it with Startup Disk Creator, then deleted an apparently extra 2Mb FAT12 partition using Disks. Disks then was ...
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Dedicated Ubuntu Server wont Boot
im new to Ubuntu.
I currently have a unmanaged dedi server from Hetzner running Ubuntu 18.04. Last night the server stopped and wont reboot, it wont respond to ping or ssh. i have 1 SSD drive and ...
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419
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Black screen at boot after Ubuntu Server 16.04 install from preseed and kickstart
I am currently trying to perform a unattended install of Ubuntu Server 16.04 on an Intel UP² board using preseed and kickstart files.
For the moment, I am not really focusing on the unattended side ...
1
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1
answer
742
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Hard drive is not bootable after a sudden powercut(power interruption)
It's an old Asus laptop that i use sometime for programming. It's battery is dead so i have to be connected to power supply whenever i have to use. Was working fine for the last few years(even with a ...
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141
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lsinitrd shows no module in 18.04.1
In my experience in CentOS7, just type
lsinitrd
I can get modules in initrd, but in Ubuntu 18, I need to type
lsinitd /boot/initrd.img-4.xxxx-generic
However, it still show nothing about module.
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57
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Formatting a hard drive for Ubuntu
I have a 4TB second drive on a Window 10 computer. I wanted to use 1TB for Ubuntu.
After spending 10 hours trying to partition that 1TB partition, I have had no luck at getting the Ubuntu USB drive to ...
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139
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Ubuntu update on Dual boot with Windows 10
I have a dual boot windows 10 and Ubuntu 16.04 on my laptop which has an NVidia graphics card and is HP inspiron 15700. The Ubuntu partition was in my D drive which was empty prior to the dual boot ...
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answer
442
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Installing Ubuntu on separate SSD on a FreeDOS laptop
I bought a new Lenovo 330 with SSD + HDD. FreeDOS is installed on the HDD.
Now I need to install Ubuntu (or Linux Mint) on the SSD, but be able to keep FreeDOS functioning and, if necessary, later ...
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1
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2k
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swap uuid on boot
I am a beginner (please be patient :)) and have a question regarding swap uuid.
A couple a days ago I have played with swap space and ever since the boot process slowed down. What I did:
swapoff, ...
3
votes
1
answer
703
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How to have an existing Ubuntu installation overwrite a Windows partition? [duplicate]
I am getting used to Ubuntu 18.04, and when I first installed Ubuntu I set it so that I could still run windows 10. Now I want to switch to just be Ubuntu. I would like my Ubuntu partition to destroy ...
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Disable netplan in install iso
This is not a discussion about netplan, I just want to craft an iso that has netplan disabled.
The FAQ (https://netplan.io/faq#how-to-go-back-to-ifupdown) says "[...]This is done by adding the ...
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405
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(K)Ubuntu 18.10 boots into emergency mode
I finally switched from Wndows to Kubuntu because it seemed pretty stable, compared to, KDE Neon, Manjaro and Netrunner, Kaos, and Chakra (yes, I wanted the KDE desktop by default as you can see), for ...
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Booting Problem in Ubuntu 16.04
I installed ubuntu 17 using usb in my pc First. Now I installed ubuntu 16.04 in my pc. The problem is when I tried to start the system, my loading screen starts with ubuntu 17 and then redirect to ...
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How to force fix file systems during boot
I have two disks, at / and /home/ and both show errors with e2fsck -fn /dev/<disk>. (-f = check even if 'clean', -n = read-only mode)
How can I fix these file-system errors?
I managed to ...
1
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0
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491
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18.04 boot process hangs at purple screen after RTX 2060 install
I recently installed a new RTX 2060 in my Ubuntu machine. I had a bit of trouble installing it because I couldn't get the drivers to install from Nvidia's website. Then I found the appropriate ppa. ...
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1
answer
292
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Windows has killed my Ubuntu partition
I have two physical HDD on my laptop. One with windows, second with with Ubuntu system. I was happy by setting bios parameters in order to boot from one or another HDD. One day I decided to look at ...
4
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1
answer
874
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Ubuntu 18.04 -> 18.10 doesn't boot
After an upgrade from 18.04 to 18.10, my ubuntu does not boot and just losing the signal after the grub.
I cat login with "nomodeset" but then the resolution is lower and can't be changed.
Here are ...
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answers
81
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dual boot with ubuntu 16.04 and windows 10 . none of them boots
I have had windows 10 and ubuntu 16.04 for a while and it never had any problem. but all on a sudden from yesterday i ccan not get into my computer. Neither the windows nor the ubuntu would boot. ...
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89
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GRUB refuses to reboot into a new kernal
I found the menuentry/subentry that I wanted to use, as you can see here: https://gyazo.com/b73fa2308145caaed7959a95d71a4bc8
I then changed this in /etc/default/grub to this: GRUB_DEFAULT=1>0
I ...
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217
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Problems install Ubuntu 18.10 server
I haven't been able to find a solution to this problem. I'm trying to install Ubuntu server on an old HP 6200 SFF PC. If I use the desktop install image on a USB stick, created in windows using Rufus, ...
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1k
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How to increase size of root partition at /dev/sda1 from /dev/sdb1?
I have an Ubuntu 16.04 system without GUI (only command line) with a very limited root partition (20GB) and 1 storage partition (1000GB) as below
sudo parted -l
Model: QEMU QEMU HARDDISK (scsi)
Disk ...
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2
answers
781
views
Dell XPS 13 fails to boot; grub-install installed grubx64.efi instead of shimx64.efi
I have a Dell XPS 13 running Ubuntu 18.04. The system will not boot the signed EFI bootloader grubx64.efi. The system only boots shimx64.efi.
Every time grub packages are updated, it triggers grub-...
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1
answer
240
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Ubuntu 18.04 cannot be booted
Since I used to work with Windows 10 for years, so, I decided to install Ubuntu alongside Windows 10, but the dual boot and even installing Ubuntu without Windows has brought me about unprecedented ...
1
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0
answers
436
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Kubuntu 18.04 LTS splash screen is black
When booting or rebooting, the splash screen of Kubuntu is black/blank. I do not see grub prompts nor the splash. Here is what I have attempted so far:
I figured the answer was in /etc/default/grub,...
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answers
428
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External Hard Drive Causes System to Boot Into Emergency Mode?
This is the entry in fstab for my external hard drive that causes the system to boot into emergency mode:
#UUID=0f834b1e-78a4-4b8b-9528-3b6c3f5ae37b /media/sarah/ELYSIUM btrfs defaults,space_cache,...
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280
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Work laptop (Ubuntu 18.04) in bootloop! Please help!
I've got a Purism Librem 13 (hardware specs here) with Ubuntu 18.04 running on it fine for almost a year now. I've had a freeze once every couple months or so, but nothing too serious.
Yesterday it ...
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1
answer
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How to make ubuntu 18.04 default boot in grub, instead of 14.04 [duplicate]
I installed 18.04 after 14.04. The default grub entry was 18.04 and 14.04 was displayed below.
After a 14.04 update, things changed.
Instead of booting into 18.04 advanced options and choose the ...
2
votes
2
answers
1k
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Disk device (partially) not detected
It all started when my laptop begun to randomly restart, probably due to some battery issues.
Now, when booting from grub, it fails and says:
ALERT! UUID=(uuid value) does not exist. Dropping to a ...
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1
answer
824
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Make a bootable image of a VirtualBox machine?
I have been building a Linux From Scratch (LFS) System for some time in VirtualBox and I’m ready to put it on a live USB. I want to save the system as a bootable image first, but I don’t know how to ...
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138
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Black screen after new SATA card installation
I'm at a real loss right now... I don't even know how to move forward with troubleshooting. I have an old sata card that I swear used to work, but when I boot with it plugged into any of my boards ...
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319
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How to adjust Gnu Grub TIMEOUT when Customizer fails
I have used Grub Customizer to change the Boot Timeout to 4 seconds: Ubuntu 4.15.0-45 generic. The file has been changed but the Boot sequence always defaults to 30 seconds anyway. The 30 second delay ...
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1
answer
415
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Lubuntu boots into Terminal. Xorg cant connect to Zlib
My Lubuntu 18.04 boots strait into the terminal. When I try to start the GUI with startx I get the following error message:
xauth: timeout in locking authority file /home/jonathan/.Xauthority
xauth: ...
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0
answers
1k
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Trying/ Installing Ubuntu 16.04 on HP EliteDesk puts monitor Display to sleep
I have a requirement to install Ubuntu 16.04 in HP EliteDesk 800-G3-TWR. The system runs fine till GNU GRUB Boot Menu. However, the monitor display goes to sleep on selecting any option: Install ...
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0
answers
406
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How can I get an environment variable representing my machine ip?
I'm not sure how the scope of variables in /etc/environment works, nor when they get created, but I need a "global" environment variable that is populated with the ip address after a DHCP address is ...
0
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2
answers
439
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I can't install Windows 10 alongside my Ubuntu [duplicate]
I erased my whole disk and now I only have Ubuntu but I need a windows now so I made a bootable windows 10 usb and I started on legacy boot but computer directly open the Ubuntu. Can you help me ...
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0
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unable to boot ubuntu 16.04 after using win 7
I have a problem trying to boot Ubuntu 16.04.
I have 2 hard disk drives. One contains Windows 7 and the other contains Ubuntu 16.04.
I had to swap to the win drive to use a piece of hardware I ...
3
votes
2
answers
2k
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linux 4.15.0-45- generic does not load, linux 4.15.0-44- generic works, ubuntu 18.04.1 LS
I am using ubuntu 18.04.1 LTS . After a resent update of the system, the option in the grub named
"ubuntu"
fails to load with a black screen output.
I have to got trough advanced options for ubuntu, ...
2
votes
1
answer
2k
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Boot Menu Stuck at GNU GRUB
I have recently tried to replace my Ubuntu with windows 7. But it won't work.
I first boot my USB drive using woeusb (winusb) but when I restart my device and boot from usb drive GRUB prompt opens. I ...
2
votes
1
answer
648
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Changed partition mount settings and can't boot now
I am using Ubuntu 18.04 and I changed my main partition settings, I just turned on the toggle for User Session Defaults to ON using the Disks utility, and when I reboot my computer it gets stuck on ...
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138
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no shutdown, no boot after latest SW update Kubuntu 18.04
04 on a intel nuc with i3-8109U CPU.
A few days ago, after installing latest update the system did not shut down anymore. After hard shutdown I was not able to boot anymore. Today I have re-installed ...
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1
answer
95
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Installed Ubuntu 18.10 without configuring UEFI on Windows 10, now can not boot into Windows
please could you help, I recently installed Ubuntu 18.10 on my windows 10 machine without configuring the UEFI settings on windows,upon installing ubuntu I opted for something-else in the installation ...
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0
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728
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ubuntu 18.04 live usb boot problem upon installation attempt
I am trying to do a fresh install of lubuntu 18.04 on a Lenovo Thinkpad x220 machine. Last running distro was Linux Mint. The usb live stick does not boot correctly, after following this solution a ...
8
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3
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Ubuntu 18.04: libcrypto.so.1.0.0: cannot open shared object file: No such file or directory
This is the output of
sudo apt-get -f install
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and ...
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1
answer
122
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Can't run Ubuntu installed on a USB drive
After having trouble with my Ubuntu installation on a USB drive (I found out that I had to create EFI System Partition), I can't launch Ubuntu. I read that Safe Boot Mode might be the issue, but it is ...
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61
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Is it possible to triple boot given the following partition state?
I have the following partitions on my drive:
I have researched online that it's not possible to have more than 4 primary partitions. I am not sure these are primary partitions, so will I be able to ...
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1
answer
134
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Grub isn't displaying on startup [duplicate]
I have Windows 10 installed in my laptop, and today I created a partition and installed Ubuntu 18.04 Desktop LTS.
Everything went well until the end of the setup process. Then I got a message telling ...