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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2answers
22k 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 ...
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4answers
1k views

Boot-repair PPA 404

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 ...
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1answer
3k 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 ...
3
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5answers
7k 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
331 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 ...
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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 ...
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vote
2answers
225 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 ...
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3answers
3k 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 ...
0
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1answer
3k 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
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1answer
3k 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 ...
0
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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 ...
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0answers
7k 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 ...
1
vote
1answer
8k 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
5answers
6k 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
2answers
4k 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
913 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
1answer
972 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
1answer
72 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
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2answers
2k 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 ...
0
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2answers
81 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
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1answer
132 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: ...
0
votes
1answer
304 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, ...
0
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5answers
11k 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 ...