Linked Questions

344
votes
13answers
707k views

How can I repair grub? (How to get Ubuntu back after installing Windows?)

I installed Windows 7, which ate Ubuntu's boot file. When starting up the computer, it now goes straight to Windows, without giving me the option of booting Ubuntu. How can I get Ubuntu back?
0
votes
3answers
26k views

How to triple boot windows and two linux distros [duplicate]

I just got a new pc and installed windows 10 and I am a big linux fan so of course I setup dual boot with ubuntu 15.10 but I would also like to setup linux mint. I have checked out other questions ...
5
votes
2answers
2k views

Accidentally set GRUB_TIMEOUT=0, cannot boot into Ubuntu now

I have a dual boot system of Ubuntu 12.10 and Windows 7. Stupidly, I set my default boot OS to Windows 7 using this method and set GRUB_TIMEOUT=0. Now when I boot, the Ubuntu red/purple screen flashes ...
0
votes
2answers
6k views

black screen after installing Ubuntu

Hopefully this has an easy solution. I recently installed Ubuntu using the Ubiquity installer for the latest release. Due to my hardware, in order to install it from my USB, i had to use the nomodeset ...
2
votes
2answers
1k views

How can I resize an ext root partition in Ubuntu 16.04 with GParted?

I am using a dual boot Windows 10 Pro 64-bit with Ubuntu 16.04 64-bit. I am getting a warning as I log in on Ubuntu about low space in the root. How can I resize an ext root partition in Ubuntu 16....
0
votes
1answer
2k views

GRUB not loading after Windows 10 reinstall

I have recently reinstalled windows 10 in my Ubuntu/Windows dual boot laptop. After that, GRUB bootloader is not loading up. It straight goes booting up the Windows. I saw a couple of blogs ...
1
vote
1answer
2k views

Ubuntu 16 won't dual boot with Kali

I installed Kali Linux on 1 partition and after that I installed Ubuntu 16.04 on the other one but when I start my PC , the only boot option is "Kali-grub" or "advanced options for kali ". When I ...
1
vote
1answer
2k views

Booting in single user mode

On 14.10 holding shift at boot time doesn't bring up the grub menu. Is there another way I can boot in single user mode? I have bricked my sudoers file so I can't use sudo btw. I don't get a grub ...
2
votes
1answer
657 views

GRUB nomodeset and purple screen of death

I'm on a Macbookpro with Ubuntu 16.04. I changed my GRUB settings by editing the file /etc/default/grub and adding nomodeset and acpi_backlight=vendor. After rebooting I got stuck at a purple ...
1
vote
3answers
786 views

ubuntu server won't boot after restoring backup

I have created a backup of my server using the following command: tar -cvzf ~/clone.tgz --exclude ~/clone.tgz /etc /home /opt /tmp /usr /var Then I want to restore this backup to another server (...
0
votes
1answer
429 views

Dual boot => Triple boot [duplicate]

A 256GB SSD has Windows-10 and 16.04 installed. BIOS not UEFI. A charity I work with requires me to use Quickbooks Desktop on Windows. The plan is to ghost the existing system to a 512GB or larger ...
3
votes
0answers
643 views

Password won't work in GUI or command line [closed]

All of a sudden one day my computer required me to log in before going to my desktop. I put in my password, but it didn't work, and when I tried to fix the problem via the command line, the command ...
-1
votes
1answer
446 views

I Have Downloaded Ubuntu. Now Want to Install Directly From HDD [duplicate]

Well my question is unique. Because I want to know how can I install Ubuntu from HDD or a USB while the answer provided within the link someone said is duplicate is actually on how one can install ...
1
vote
1answer
254 views

Ubuntu boot partition corrupted after using DBAN on an external disk

Solution: So using DBAN to wipe an external disk corrupted/wiped my EFI partition on my main SSD drive. The solution for this problem was that I followed the steps from How can I repair grub? (How to ...
0
votes
1answer
280 views

booting failures, syslog recurring error investigation

I have some trouble booting my Ubuntu laptop, sometimes it works, most of the times it doesn't. Result of smartctl -a seems to be that my HDD is health so I am investigating other posibilities. ...

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