How to Repair Ubuntu 18.04 from USB
- Load Ubuntu Bootable USB. Boot your system using Ubuntu bootable CD or USB and select ‘Try Ubuntu’ when you see the option on Ubuntu Boot screen.
- Launch Terminal. Once you have boot into Ubuntu, open terminal and run the following command. ...
- Install boot repair. ...
- Launch boot repair. ...
- Reboot System. ...
- Load Ubuntu Bootable USB. Boot your system using Ubuntu bootable CD or USB and select 'Try Ubuntu' when you see the option on Ubuntu Boot screen.
- Launch Terminal. ...
- Install boot repair. ...
- Launch boot repair. ...
- Reboot System.
How do I repair Ubuntu from a USB drive?
There’s a utility that you can run from an Ubuntu live CD/USB that automatically repairs your system. You don’t have to worry about the specifics or even diagnose the problem. It automatically runs through with the click of a button.
How to repair bootable CD in Ubuntu?
Boot your system using Ubuntu bootable CD or USB and select ‘Try Ubuntu’ when you see the option on Ubuntu Boot screen. 2. Launch Terminal Once you have boot into Ubuntu, open terminal and run the following command. It will add the repository that contains setup files of boot-repair utility, to your system’s source list.
How to fix broken Ubuntu without reinstalling it?
Fix Broken Ubuntu OS Without Reinstalling It. First of all, try to login with live cd and backup your data in an external drive. Just in case, if this method didn't work, you can still have your data and reinstall everything! At the login screen, press CTRL+ALT+F1 to switch to tty1.
How do I boot Ubuntu from a USB drive?
Load Ubuntu Bootable USB Boot your system using Ubuntu bootable CD or USB and select ‘Try Ubuntu’ when you see the option on Ubuntu Boot screen. 2. Launch Terminal Once you have boot into Ubuntu, open terminal and run the following command.
Can you repair Ubuntu from USB?
Repair GRUB If You Can't Access It You can use an Ubuntu installation disc or USB drive to do this. Boot into the USB drive and use the the Linux system to repair GRUB. We have a guide to reinstalling the GRUB2 boot loader on Ubuntu, either with a graphical Boot Repair tool or by using standard Linux terminal commands.
How do I repair an existing Ubuntu installation?
How to Fix Broken Ubuntu 20.04 without Reinstalling ItStep 1: Login from Live CD or bootable USB. ... Step 2: Remove the lock files. ... Step 3: Reconfigure dpkg. ... Step 4: Clean local repository. ... Step 5: update all the packages. ... Step 6: install all broken packages and dependencies. ... Step 7: Reboot the system.
How do I boot from USB repair?
How to boot from Windows 10/11 repair tool USBInsert the bootable USB drive to the computer that needs to restore system.Press certain key while starting computer to enter BIOS.Select the USB drive as the first boot option.Access the main interface of AOMEI Backupper to restore system.
How do I fix Ubuntu when it wont boot?
If Ubuntu is not booting, work through these five steps:Check for bootable devices.Is the GRUB bootloader working?Repair the bootloader menu.Reinstall Ubuntu.Replace faulty hardware.
Can you repair Ubuntu?
Boot-Repair is a simple tool to repair frequent boot issues you may encounter in Ubuntu like when you can't boot Ubuntu after installing Windows or another Linux distribution, or when you can't boot Windows after installing Ubuntu, or when GRUB is not displayed anymore, some upgrade breaks GRUB, etc.
How do I reinstall Ubuntu 18.04 without losing data?
Here are the steps to follow for reinstalling Ubuntu.Step 1: Create a live USB. First, download Ubuntu from its website. You can download whichever Ubuntu version you want to use. Download Ubuntu. ... Step 2: Reinstall Ubuntu. Once you have got the live USB of Ubuntu, plugin the USB. Reboot your system.
How do I boot Ubuntu from a flash drive?
Run Ubuntu LiveMake sure that your computer's BIOS is set to boot from USB devices then insert the USB flash drive into a USB 2.0 port. ... At the installer boot menu, select "Run Ubuntu from this USB."You'll see Ubuntu start up and eventually get the Ubuntu desktop.
How do I fix grub boot?
Another way to fix your GRUB boot issues is to use a Linux live image to boot from an external device.Download a live Linux installer. ... Use a tool such as Etcher to write the Linux image to an SD card or a USB flash drive.Insert the bootable device and start the computer.Select Try Ubuntu on the welcome screen.More items...•
How do I make a Startup Disk Repair?
To create a system repair discOpen Backup and Restore by clicking the Start button, clicking Control Panel, clicking System and Maintenance, and then clicking Backup and Restore.In the left pane, click Create a system repair disc, and then follow the steps.
Can not install boot Repair?
Unable to install boot-repairBoot to LiveCD.Connect to Internet.Open terminal.Give command sudo add-apt-repository ppa:yannubuntu/boot-repair && sudo apt-get update.Then give command sudo apt-get install -y boot-repair && boot-repair.
How do I restore Ubuntu to factory settings?
The only foolproof way to factory reset Ubuntu is to do a fresh install. Just backup your home folder and other required files, make a bootable USB and you are ready to go. Reinstalling Ubuntu probably will be much faster than say Windows 10 doing a factory reset, which can drag on for hours.
How do I wipe and reinstall Ubuntu?
1 AnswerUse Ubuntu live disk to boot up.Select Install Ubuntu on hard disk.Keep on following the wizard.Select the Erase Ubuntu and reinstall option.
How do I fix broken Ubuntu packages?
How to Fix Broken Packages in UbuntuCheck for Updates.Force APT to Correct Missing Dependencies or Broken Packages.Force Reconfigure or Remove Broken Packages with DPKG.Resolve DPKG Lock Issue.
How do I restore Ubuntu to factory settings?
The only foolproof way to factory reset Ubuntu is to do a fresh install. Just backup your home folder and other required files, make a bootable USB and you are ready to go. Reinstalling Ubuntu probably will be much faster than say Windows 10 doing a factory reset, which can drag on for hours.
How do I restore Ubuntu 20.04 to factory settings?
To start with automatic reset, follow the below steps:Click on Automatic Reset option in the Resetter window. ... Then it will list all the packages that it will be going to remove. ... It will start the reset process and creates a default user and will provide you with credentials. ... When finished, reboot your system.
How to get to Advanced Options in Ubuntu?
Select the "Advanced Options" entry. It'll probably be the second one from the top. From there, you'll see several different kernel options. Under each one will be an identical entry with (recovery mode) at the end. Select the recovery entry for the latest kernel.
Can Ubuntu live CD repair my system?
There's a utility that you can run from an Ubuntu live CD/USB that automatically repairs your system. You don't have to worry about the specifics or even diagnose the problem. It automatically runs through with the click of a button. So, that's probably a good first option.
Can you drop into a root terminal?
Finally, when all else fails, you can drop into a root terminal and try to fix things yourself. Like any other time you log in as root, be careful. It's very easy to make matters worse. After you thin you have your system sorted out, you can try to boot normally with resume.
Introduction
Today, I was upgrading my Ubuntu LTS system. Unfortunately, the power has gone in the middle of the upgrade process and the system is powered off while upgrading packages.
Fix broken Ubuntu OS without reinstalling it
1. First of all, try to login with live cd and backup your data in an external drive. Just in case, if this tutorial didn't work, you can still have your data and reinstall everything!
Fixing process
If you came across the error something like, ‘Could not get lock /var/lib/apt/lists/lock’ or ‘Could not get lock /var/lib/dpkg/lock’, then you can fix this broken issue by following the step by step guide provided below:
Step 1: Login from Live CD or bootable USB
First of all, sign in using the live CD or bootable USB drive, and back up your data in some external hard drive so that you can save it somewhere else and reinstall the operating system if needed.
Step 2: Remove the lock files
Open tty1 using the keyboard shortcut keys CTRL + ALT + F1, and type the commands provided below to remove the lock files.
Step 3: Reconfigure dpkg
To reconfigure all the packages installed, type the command provided below;
Step 5: update all the packages
After clearing the local repository, update the installed packages with the –fix-missing option.
Step 6: install all broken packages and dependencies
Now, force the package manager to install all the broken packages or missing dependencies using the command provided below:
Step 7: Reboot the system
After fixing everything up, restart eh system using the command provided below:
Conventions
- Boot your system using Ubuntu bootable CD or USB and select ‘Try Ubuntu’ when you see the option on Ubuntu Boot screen.
Introduction
The Easy Way
More Options
- # – requires given linux command to be executed with root privileges either directly as a root user or by use of sudocommand
- $ – given linux commandto be executed as a regular non-privileged user
Closing Thoughts
- No one wants a system that doesn’t boot. It’s about as bad and frustrating as any technical problem gets, and more often than not, it feels like the system is totally shot. Fear not, though, Ubuntu has a couple of convenient ways to help repair your computer and get things back to normal.