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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192
votes
9answers
303k 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?
2
votes
2answers
6k 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 ...
16
votes
2answers
134k 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 ...
2
votes
1answer
393 views

Can not boot anymore after a boot repair

I upgraded from 12.04 to 14.04 on my Toshiba satellite z930. Ubuntu is the only OS on this computer (windows 8 was wiped right away). Everything went great, except that the following message appeared:...
6
votes
11answers
41k 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 ...
0
votes
1answer
8k views

Bootable device not found after clean install of Ubuntu 14.04 UEFI

I have a single boot laptop where I performed a clean installation of ubuntu. After bot it shows a I tried running boot-repair with this output http://paste.ubuntu.com/10605939 When if finishes it ...
14
votes
4answers
49k 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 ...
33
votes
12answers
91k views

Windows 10 upgrade kills grub and boot-repair doesn't help

I've just upgraded to Windows 10 from Windows 8.1 on my partitioned laptop that has Ubuntu 14.04 installed. Grub no longer appeared on boot so I ran boot-repair from an Ubuntu liveUSB. This didn't ...
18
votes
1answer
21k 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 ...
2
votes
2answers
8k 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 ...
10
votes
2answers
28k views

ALERT! /dev/disk/by-uuid/xxxxxxxxx does not exist. Dropping to a shell

I am using Ubuntu 14.04. On 23 August 2014 I ran in terminal sudo apt-get update. Then I rebooted the system. And now I see: ALERT! /dev/disk/by-uuid/xxxxxxxxx does not exist. Dropping to a shell ...
0
votes
1answer
7k 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

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 ...
6
votes
3answers
13k 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 ...
5
votes
2answers
12k 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
1answer
6k 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 ...
1
vote
1answer
7k 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 ...
1
vote
2answers
8k 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 ...
4
votes
1answer
21k views

“GPT detected. Please create a BIOS-Boot partition” while using boot-repair

Since I updated Windows to 8.1 my Grub menu disappeared. I ran Ubuntu using Live USB, I used Boot-Repair but something went wrong. If I click on Reccomended repair I get this error: GPT detected. ...
3
votes
2answers
17k 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
2k 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 ...
3
votes
3answers
55k 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 ...
0
votes
1answer
1k views

How to fix the error warning failed to connect to lvmetad falling back to internal scanning

My computer recently give me an error right after I installed gnome It said warning failed to connect to lvmetad falling back to internal scanning I need help to fix the error this is the only ...
3
votes
0answers
17k 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
13k 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 (...
2
votes
1answer
652 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 ...
3
votes
1answer
17k views

How to resolve the “GPT detected. Please create a BIOS-Boot partition” error when using boot-repair?

After installing Ubuntu, Windows didn't boot so I installed boot repair to fix this problem. But I am getting the message displayed below. I tried to make a new partition with unformatted file system ...
1
vote
3answers
5k 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
1answer
1k 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 boot-...
1
vote
1answer
649 views

Booting into Ubuntu after Fresh Install of Ubuntu 14.04 LTS ( No Dual Boot ) on Acer Aspire ES1-512

I have run Boot Repair on my machine and then rebooted my machine with my Live USB out. From this point, I was first presented with a screen that said 1) "Shim UEFI Key Management" then was ...
1
vote
3answers
1k 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 ...
0
votes
3answers
2k views

Dual boot but only Windows boots

So I just made a fresh install of Windows 8.1 and then Ubuntu 14.04.1. The problem is, that I can't make GRUB as the main boot option, it is not listed in BIOS so my computer just loads into Windows. ...
0
votes
2answers
1k 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
2answers
138 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
3answers
3k views

Grub menu with Windows 10 and Ubuntu 14.04

I have Ubuntu 14.04 and Windows 10 both successfully installed and operational. However, I can not get the grub menu to appear correctly and I've tried using boot repair multiple times. I've done boot ...
4
votes
5answers
12k 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 ...
9
votes
2answers
362 views

Does the Boot Repair output contain private information?

I have successfully recovered my system with the help of a software called Boot Repair. After the recovery, it sent some information to Ubuntu Pastebin, something like this one. Does this kind of ...
2
votes
1answer
5k 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
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
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
2answers
887 views

What should I do to get Ubuntu dual-boot with Windows 10 on this Toshiba laptop?

I've tried several approaches and it still boots directly to Windows 10. It is a Toshiba Satellite Radius L15W-B1208X with Windows 10 the original OS. I read and tried to follow all prerequisite ...
0
votes
3answers
1k views

PC does not boot into Windows, but Ubuntu still works well; how to recover?

I installed 7 operating systems in my PC. All worked very well. (Ubuntu 11, Ubuntu 14, EduBoss, Redhat6, Nodezero, Windows 8, Win 7). I frequently used Windows 8 and Ubuntu 14 last 6-7 months, I enjoy ...
0
votes
3answers
2k views

boot-repair NVMe drive after gparted copy

I'm trying to migrate to my new NVMe Samsung 950 pro. chroot /mnt/boot-sav/nvme0n1p3 update-grub grub-probe: error: cannot find a GRUB drive for /dev/sda1. Check your device.map. Process: Copied/...
4
votes
3answers
199 views

How to disable hibernation and fastboot from windows so dual boot works in Ubuntu 14.04

I have SONY VAIO SVF15319SNB laptop with Windows-10. I re-partitioned the disk to install Ubuntu 14.04. Installation was fine but after restarting the system, I am not able to get the dual boot ...
3
votes
1answer
188 views

Ubuntu Dual Boot windows 8

I installed ubuntu 13.xxxx the latest version for desktop. I did so as a dual boot with uefi and secureboot enabled. Now I can boot into ubuntu just fine. However, I can't boot to windows 8. I have ...
2
votes
1answer
408 views

Dual Boot Win8.1-Ubuntu 14.04 - Cannot load Win8.1 after reinstalling Ubuntu

As suggested by the title of the topic I'm having troubles with the dual boot of Win8.1 and Ubuntu 14.04.....forgive me if the post is gonna be a little long, but I guess it should be better to ...
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 ...
2
votes
2answers
2k 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 ...
1
vote
2answers
204 views

Windows 10 update ruined by Windows/Ubuntu dual boot

I had a Ubuntu/Windows 7 dual boot set up on my laptop. An updater tried to install Windows 10 in the middle of the night and now when I start the laptop, I get the grub rescue prompt. I tried this ...
1
vote
3answers
4k views

Installed Ubuntu and now can't boot into Windows anymore

Okay, now I have a new problem... I installed Ubuntu on my new SSD today. But now Windows 8 doesn't show up in the boot loader anymore. I ran Boot Repair and it told me GPT detected. Please ...