Boot-Repair is a tool to fix Windows/Ubuntu problems either after installing Ubuntu or Windows. Use this tag if you used the software in any way.

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105
votes
9answers
146k 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
1answer
1k views

Dual boot Win 8 / Ubuntu loads only Win

my computer is a Sony Vaio Notebook. I used Ubuntu and Win 8 with dualboot but windows somehow managed to remove the choosing of the OS at startup. I think the bios is EFI and secureboot was disabled ...
7
votes
2answers
50k views

How to install the Boot-Repair tool in an Ubuntu live disc?

When the bootloader (GRUB) is broken, I cannot access neither Ubuntu nor Windows. I heard that an easy solution to fix this is to use the Boot-Repair tool from an Ubuntu liveCD (or liveUSB). What ...
13
votes
4answers
29k views

Can't find boot-repair package for the newest version of Ubuntu

After upgrading Ubuntu 13.10 to 14.04, grub failed to load Ubuntu and threw the error symbol 'grub_term_highlight_color' not found. I followed the solution offered in the Bug Report but this failed ...
2
votes
2answers
5k views

Cannot Restore Grub After Windows 8.1 Upgrade

I have an Ubuntu 13.10 and Windows 8 dual-boot working properly, and upgrading to Windows 8.1 breaks grub2 as expected. However, this time boot-repair was not able to bring grub back for me. My laptop ...
0
votes
1answer
6k views

Bootloader Problems Grub Won't Load Windows 7

I sent this to boot.repair@gmail.com, still no response thought I could get a faster solution here. I am running Windows 7 64-bit and Ubuntu 12.04 LTS on separate partitions. The message is sent is: ...
0
votes
1answer
4k views

Restore backup of WinEFI or UEFI (not sure) that boot-repair made

I have a laptop that supports EFI/UEFI. I have Windows 8.1 and Ubuntu 12.04 on it. The way I installed my OSes was like this: I installed Win 8.1 in the required partitions then Installed ubuntu and ...
0
votes
1answer
3k views

Dual boot problem Windows 8 & Ubuntu 12.04

I have installed Ubuntu 12.04 on my laptop with Windows 8 pre-installed. But when selecting Windows 8 to boot I get following error: error: unknown command 'drivemap' error: invalid EFI filepath I ...
1
vote
1answer
6k views

stuck in grub rescue mode after installing ubuntu alongside Windows 8

I tried to install ubuntu 13.04 on my new Lenovo G500 which came pre-installed with Windows 8. I shrunk the main OS (Win 8) partition and then disabled fast boot in the power options in Win 8. Then I ...
2
votes
1answer
5k views

Windows 8 won't boot via grub after intalling 12.10 with boot-repair

I hope someone here might be able to help me. I've just purchased a new Acer Aspire V3-771G laptop which came pre-installed with windows 8. I shrunk the main windows partition and installed ubuntu ...
2
votes
2answers
534 views

boot-repair fails (UEFI and pre-installed Windows 8)

I have bought a new laptop, Toshiba Satellite NB10t-A-101, with pre-installed Windows 8, after one day of figuring out how to install Ubuntu in UEFI I finally managed to do it (which wasn´t easy, as ...
2
votes
5answers
12k views

How do I get my HP laptop to boot into grub from my new efi file?

I have an HP Pavilion Sleekbook 14 laptop that I have installed Ubuntu 12.10 dual boot with the original windows 8. I used boot-repair to get set up to boot into grub. My issue is that I have not ...
1
vote
1answer
6k views

Unable to boot Windows 8 after Ubuntu installation

I installed Ubuntu on a pc with Windows 8 preinstalled. After installation Grub showed Ubuntu entries and Windows 8 Boot Manager (or something similar), selecting it I got: /EndEntire file path ...
0
votes
5answers
13k views

After installing Ubuntu I can't boot Windows 8 anymore

I just bought a new laptop (a lenovo ideapad Z500) and it came installed with Windows 8. I wanted to have Ubuntu on it too, therefore I resized the Win8 partition from the control panel and installed ...
2
votes
0answers
11k views

A Guide to Install Ubuntu 13.04 using a RAID 0

Getting the error: Unable to install grub in /dev/sda? Because you are using a BIOS/fakeRAID0? If you manage to find this thread consider yourself in luck. I spent the last 48 hours trying to figure ...
4
votes
6answers
9k views

13.10 on vaio pro with UEFI

I tried to install Ubuntu 13.10 on my vaio pro in UEFI mode but it failed (i.e. when I reboot, Ubuntu is not detected). So I installed boot-repair in a live session and used the recommended repair ...
3
votes
5answers
8k views

“A Disk Read Error” while starting Windows after Ubuntu upgrade + Boot Repair

I just upgraded to 12.10. After installing the files and rebooting I had come across following problem: error file not found grub rescue> _ This problem was easily solved by repairing the boot ...
2
votes
1answer
406 views

Multiple Windows options in Grub Menu

My system has 2 OS: Win 7 x64 and Ubuntu 12.10. I'm getting 2 Windows boot options: "on dev/sda1" and "on dev/sda2". What does this mean? What implications does this have for my continued Windows ...
0
votes
1answer
1k views

Dual-Boot Windows 8.1 & Ubuntu 13.10. “Can't find /boot/grub/i386-pc/normal.mod”

I've been trying to get Ubuntu 13.10 & Windows 8.1 to boot together. I installed Ubuntu on my main hard drive (which came with Windows pre-installed). However, when I tried to boot Ubuntu, it just ...
2
votes
4answers
27k views

Recovering Grub after installing windows 8.1 [duplicate]

I installed Windows 8.1 after Ubuntu 12.04. Now, grub does not shows up any more! It's goes straight to Windows after turning my PC on. Grub gone after installing Windows 8.1 Please tell me what ...
1
vote
1answer
3k views

Which commands to convert a Ubuntu BIOS install to EFI/UEFI without boot-repair on single boot hardware?

Accidental BIOS mode install I have Intel 64-bit hardware with UEFI setup utility. Ubuntu 14.04.1 LTS was installed as the only operating system on the only drive attached. Accidentally Ubuntu was ...
1
vote
2answers
4k views

Dual boot Ubuntu and Windows 8 - no operating system found

I am struggling to finalize my attempt to run Ubuntu 13.10 alongside Windows 8 on my new Sony Vaio Pro. After long hours of research I feel I am stuck. I was booting from a USB, let me outline what ...
1
vote
3answers
4k views

Unable to boot Windows 7 after Grub overwrote the Windows bootsector [duplicate]

I have Windows 7 on my machine and then installed Ubuntu 12.04 using a live CD. I can see both Windows 7 and Ubuntu in the grub menu, but when I select Windows 7 it shows a black screen for about 2 ...
1
vote
3answers
2k views

os-prober fails to identify a linux system so I need to write a custom grub2 menu entry as a workaround, how?

I want to add a custom menu to grub2 like this (as /etc/grub.d/40_custom): #!/bin/sh exec tail -n +3 $0 # This file provides an easy way to add custom menu entries. Simply type the # menu entries ...
2
votes
2answers
10k views

Grub EFI entries and Boot-Repair

I installed Ubuntu 12.10 on a Dell laptop with OEM Windows 8 on it. At first, my Grub menu didn't show at all, so I changed the /etc/default/grub file commenting the line GRUB_HIDDEN_TIMEOUT=0. After ...
2
votes
2answers
6k views

Will Ubuntu 14.04 Have Improved UEFI Support Or Will We Be Using Boot-repair For The Next 5 Years? [closed]

Everyday I see questions on here about someone unable to get Ubuntu to play nice with UEFI. They are soon reminded they aren't in Kansas anymore, told to follow the yellow brick road, see the wizard, ...
2
votes
1answer
1k views

How do I change the PC boot from Legacy to EFI mode when boot-repair warns me?

I ran boot-repair and got this warning: The boot of your PC is in Legacy mode. You may want to retry after changing it to EFI mode. How do I change to EFI mode? Is this done in the BIOS?
2
votes
2answers
5k views

Unable to boot ubuntu 13.04 alongside windows 8

http://paste.ubuntu.com/6036784 I used boot repair commands on try Ubuntu terminal. It said "EFI detected check options" I used the recommended repair option. In the end it said "buggy kernel ...
0
votes
3answers
1k views

Upgrade-grub and boot-repair fails. Unable to boot one of my linux systems, is there a way around?

I have three Linux and two windows systems on one computer. After updating the kernel on one (archlinux) and running update-grub on the default (BIOS) boot disk (Xubuntu 12.04), the boot menu does ...
3
votes
2answers
1k views

Dualboot (Win 8 / Ubuntu 13) is stuck at 'switching to clocksource'

for days I have been crawling the web for solutions to my problem, but couln't find any. Here it is: I got a new Laptop (ASUS Vivobook S200E) with Win 8 OEM preinstalled. I wanted to create a ...
2
votes
2answers
1k views

Boot-repair can't complete a repair under Ubuntu Gnome 14.04

Yesterday I installed Ubuntu Gnome 14.04 on my computer. The installation program wouldn't recognize my Windows 8.1 installation, but it could see the NTFS-partitions. I figured that I could make the ...
2
votes
1answer
1k views

Boot-Repair after messing up NTFS partition

I posted this question explaining what happened after I tried to create a new swap partition on a Win/Ubuntu dual-boot machine. I have since created a live-boot USB and installed Boot-Repair. I had it ...
1
vote
2answers
181 views

Dual Boot: GRUB disappeared, boot-repair not working and linux partition cannot be accessed

I'm trying to fix a friend's computer. He uses Win7 and ubuntu 14.04 dual boot and ran "secure boot", which seems to have caused major damage: afterwards, GRUB wouldn't show up and the computer booted ...
1
vote
1answer
529 views

Can't restore GRUB after upgrade to 14.04 (“grub_term_highlight_color” bug)

I recently upgraded from 13.10 to 14.04 and, as dozens of other people, I was gifted with the grub_term_highlight_color bug. I then tried to restore GRUB by booting from a live CD and using ...
1
vote
1answer
198 views

Ubuntu 12.04 boot-repair gets in infinite loop

I am attempting to dual-boot Ubuntu 12.04 with Windows 8.1, but I am unable to run a LiveUSB without turning on legacy mode first. In legacy mode I was able to install. I planned to fix the legacy ...
1
vote
1answer
212 views

Unable to load Windows and unable to mount Windows partitions (probably corrupted ) [duplicate]

It is a kind of messed up situation. I installed Ubuntu 13.10 on Windows 8 which didn't display Ubuntu. I then tried Boot-Repair by opening Try Ubuntu without installing. Here is the URL: ...
1
vote
1answer
903 views

Ubuntu 12.04 Install on Lenovo x120e - Grub menu loads, but won't load Ubuntu without USB in

I've installed Ubuntu using a USB The grub menu then would not load, so I followed: To reinstall GRUB: Make a new Ubuntu Live CD and Boot from it. Install boot-repair using these commands: sudo ...
0
votes
2answers
105 views

Can't boot to windows after ubuntu install

I've installed ubuntu, but now i can't boot to windows. Here is my boot repair output. How can i solve this problem?
0
votes
2answers
336 views

Problems with booting ubuntu after formatting boot partition

I am a new ubuntu user and after accidentally formatting the boot partition I can't get it back to work. Here is some more info: I was trying to format an sd card from the terminal and I accidentally ...
0
votes
1answer
475 views

How to repair GRUB from backup?

I have Windows 8 and Ubuntu 13.04 in dualboot. But the problem was that Windows didn't boot when GRUB is set as primary bootloader in BIOS. When the Windows EFI partition was checked as primary, ...