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?
33
votes
12answers
90k 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 ...
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 ...
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 ...
10
votes
2answers
27k 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 ...
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 ...
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 ...
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 ...
6
votes
3answers
12k views

Windows 8 UEFI does not boot [duplicate]

I've just bought a new Toshiba laptop, on which Windows 8 is preinstalled. I've installed Ubuntu Gnome 13.10 and GRUB2 correctly detects Ubuntu and Windows. But the strange problem is that when I try ...
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 /...
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 (...
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. ...
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 ...
4
votes
1answer
3k views

Error: no such device grub rescue

Summary: I keep getting the error: no such device grub rescue, after installing 12.04 (erasing an old 12.04 installation beforehand, but using the old /home mount, from a different HDD) I have two ...
4
votes
3answers
88 views

Windows 8.1 does not shown up on Grub2, even after installing Boot Repair. - Ubuntu 16.04

This is my first time installing Ubuntu 16.04. I have Windows 8 on my PC, and I downloaded Ubuntu 16.04, put it on a DVD then installed it on my PC. When I turned on my PC after installing Ubuntu 16....
4
votes
3answers
197 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 ...
4
votes
0answers
2k views

Boot Repair - 'Close all package managers…' Dual Boot Installation

After almost a week, I've just about managed to install Ubuntu 12.04.3 LTS alongside Windows 8 on a Dell XPS 14 Ultrabook. I have created a partition in Windows to store Ubuntu, rebooted from Windows ...
4
votes
3answers
8k views

Windows 7 + Ubuntu 12.04 + Invalid EFI file path + Boot repair + Grub many entries

I've a ASUS N56VZ with Intel Core i7 - 3610QM, with Win 7 Home Premium x64 pre-installed. This computer come with EFI instead of the traditional BIOS. When I bought it, I had 3 visible partitions. C (...
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 ...
3
votes
4answers
12k views

Unable to locate package linux

Started boot-repair on live-usb, removed grub, and then was instructed to write in terminal sudo chroot "/mnt/boot-sav/sda5" apt-get install -y --force-yes grub-pc linux but I get: Reading package ...
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 ...
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 ...
3
votes
2answers
94 views

boot repair disk not loading - boots into black screen

I am trying to fix a grub issue issue using the boot repair disk that I created with UNetbootin. I do this by plugging in the bootable disk into the computer, booting into BIOS, and setting the USB ...
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 ...
3
votes
1answer
67 views

I deleted the partition volume where ubuntu 14.04 LTS was installed. now i cant access windows

I am stuck at grub rescue. I tried booting Ubuntu from a live USB, then doing this sudo app-apt-repository ppa:yannubuntu/boot-repair the this error came up. Please check that the PPA name or ...
3
votes
2answers
2k 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 dual-...
3
votes
1answer
144 views

Dual booting (Ubuntu over Windows) directly to Windows 10

Problem Case: Dual booting with Ubuntu (efi/gpt scheme) over Windows (efi/gpt scheme) and My HP pavilion is booting directly to Windows 10. Details: Previously installed Windows 10 with UEFI, fast ...
3
votes
0answers
1k views

Boot Repair doesn't work after Windows 8.1 Update [duplicate]

(The original title of this post was "Boot Repair doesn't work after April 2014 Windows 8.1 Update" since I wanted to highlight that this is not about the 8.0 -> 8.1 update, but the update for 8.1 ...
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 ...
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 ...
2
votes
6answers
31k views

Unable to install boot-repair

I am trying to install Windows 7 on Ubuntu. I created NTFS partition for Windows 7 but I deleted a 5GB partition so I got a error message when I reboot Ubuntu. grub rescue error To solve this ...
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 ...
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:...
2
votes
2answers
442 views

I would like to delete an accidental post I did on paste.ubuntu.com while using Bootrepair

I wanted to find out were the MBR physically is (I have a multiboot PC with several HD) and Bootrepair has done its job. I then discovered that beyond my control private information was send to http:/...
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 ...
2
votes
1answer
155 views

Just removed system-reserved-drive, can't boot into Ubuntu 14.04 anymore

I was using Ubuntu 14.04 alongside Windows 8.1 on my HP Probook 4540. Today I removed my System Reserved partition and formatted the Windows partition. Now, every time I try to boot up my machine, ...
2
votes
2answers
1k views

Unable to fix GRUB for dual-boot after BIOS update (using boot-repair)

After my latest update of BIOS (while using Windows) my grub menu went missing. Previously, I was able to repair GRUB menu this way: Booting into Windows Going to Advanced Startup options Selecting ...
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 ...
2
votes
3answers
26k views

Unable to locate package boot-repair in 14.04 [duplicate]

I've tried to install boot repair and failed sudo add-apt-repository -y ppa:yannubuntu/boot-repair && sudo apt-get update The error is: $ sudo apt-get install -y boot-repair Reading ...
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
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
1answer
285 views

upgrade Windows 10

in this moment I have windows 8.1 and Ubuntu 14.04 and boot works in this moment. How can I upgrade my Windows from 8.1 to 10 with out destroy my boot between linux and windows?
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
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 ...
2
votes
1answer
651 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 ...
2
votes
4answers
9k views

Ubuntu 12.10 - Windows 8 Dual Boot (Tried boot-repair) - Dual OS option not showing

As title says, this is my first time trying ubuntu. I have been trying since last week with continuous googling and searching, but still no luck. I had Win8 x64 installed before, then tried ...
2
votes
1answer
8k views

grub-probe: error: cannot find a GRUB drive for /dev/sda1

I'm trying to add windows 7 for my new 12.10 grub bootloader. None of the things worked out; such as .. copying bootx64.efi methods, I'm getting this output: grub-probe --target=fs_uuid /boot/efi/...
2
votes
1answer
645 views

How to fix boot error for install on a RAID 5 configuration

I'm trying to install ubuntu onto a 6TB virtual disk (3 3TB drives in a RAID 5 configuration). I thought I had it all ready to go. But it doesn't boot. So, then I tried boot-repair, which claimed ...
2
votes
4answers
7k views

Windows not booting in dual boot with Ubuntu 12.04 and Windows 7

I have dual Ubuntu 12.04 and Windows 7 installed in my PC. I installed Ubuntu after Windows, and I have issues with GRUB. After installing Ubuntu, there was no boot loader in the start up, with an ...