master boot record (MBR)

learn more… | top users | synonyms

3
votes
1answer
2k views

How can I check and change the partition table type?

New computers that ship with Windows 8 also come with a different partition table than before. This along with the move to UEFI causes confusion, as users are unaware of the newer partition table and ...
4
votes
3answers
25k views

How to fix the MBR for Windows 7?

I have installed Ubuntu as dualboot with Windows 7. Now I'm no longer using Ubuntu so i removed the Ubuntu partition and added the unallocated space to my Windows 7 partition. But after I restart my ...
2
votes
2answers
10k views

How do I install 12.10 on a Pavilion-G6 laptop with UEFI

I have a brand new HP Pavilion-G6 which boots to pre-loaded Windows8 and I want to change the machine to boot up into Ubuntu 12.10 whist retaining Windows 8. I am having difficulty booting into ...
6
votes
2answers
19k views

How to manually fix a partition table ?

I recently had trouble with the MBR/partition table on my laptop. I managed to rebuild the partition table using testdisk, and install GRUB to get it booting properly again (I'm using a dual-boot with ...
7
votes
5answers
71k views

How to boot into Windows 7 when grub is installed in the Windows partition?

Original title: How can i solve (un)booting windows 7 on the same partition with grub? I've been researching for 2/3 days about this problem and I have came up empty. Basically, partition 1 is ...
23
votes
1answer
14k views

What do I select for “GRUB install devices” after an update?

After running Update Manager, a debconf window (titled "Configuring grub-pc"), popped up, requiring me to select the appropriateGRUB install devices for my system. I've made no changes to grub or ...
1
vote
2answers
9k views

Unable to boot: Missing Operating system

i had installed Ubuntu 11.10 along with the another Ubuntu 11.10 which already installed in my netbook. Later I formatted the partition I newly installed. Next time when I boot it went to Grub Rescue ...
2
votes
2answers
16k views

How to fix MBR partition prior to Ubuntu Installation? A partition overlaps GPT backup sectors

My main problem is that i have just acquired an ASUS laptop with WINDOWS 7 and I want to install Ubuntu on it. I want to have a dual boot to choose between both Operating systems, I read that it's ...
2
votes
5answers
4k views

GRUB boot into Windows 7 breaks GRUB and makes system unbootable

I have installed Ubuntu 12.04 (daily-live iso from 21.04.12) alongside Windows 7 on an HP EliteBook laptop. The installation went fine, except that it installed grub onto my usb disk (/dev/sdb) ...
3
votes
2answers
2k views

How to recover Ubuntu installed with Wubi with corrupted GRUB

I have ubuntu installed inside Windows 7 using Wubi. Yesterday, I tried installing Ubuntu using GRUB but it seem that GRUB was corrupted. To recover, I fixed the MBR using the Windows 7 CD. Now ...
5
votes
2answers
9k views

Unable to install GRUB

Unfortunately (as you can see) I cannot install grub. I have tried /dev/sda as well. Here is my partitioning schema: Troubleshooting + problems: Installed Windows 8 to logical partition ...
15
votes
1answer
3k views

Can't boot into Windows 7 EFI GPT after recovery operation

My question, or rather issue, is in the extent of this previous case in which I wanted to grow my Linux (ext4) partition. The partition /dev/sda6 was in the way of doing this and since it contained ...
3
votes
3answers
2k views

How to make a USB drive bootable after live image is copied into it using `dd` command?

I was unable to create live USB drive using dd command while unetbootin works. The former method used to work fine on the particular USB Drive. Is the USB drive filesystem corrupted? If yes, how do I ...
7
votes
3answers
5k views

Windows missing from GRUB menu [duplicate]

When I turn on the computer, I can see the GRUB and boot into Ubuntu. But I can't boot into Windows because I don't see it in the GRUB. I have tried both boot-repair and sudo update-grub to no avail. ...
1
vote
1answer
2k views

ubuntu installer is not detecting windows and existing partitions

while instlling ubuntu 12.04/13.04 the installer doesnt detect my partitions and my windows 7 OS, so I cant install them side by side. I create through windows tool the partition D but i cant see it. ...
6
votes
3answers
26k views

Fix Windows MBR using Ubuntu Live CD and ms-sys tool

I'm trying to fix the MBR using Ubuntu live CD. I already have the ms-sys installed but from the threads that I saw, I'm not completely sure in which /dev I should execute the command: sudo ms-sys ...
2
votes
1answer
162 views

where did my 766 kb in partition go?

I used fdisk -l and saw this. Disk /dev/sda: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size ...
2
votes
1answer
1k views

GPTsync mismatch problem

I have a hybrid disk. After trying to copy some files from another disk to this one, I lost my OSX and Ubuntu boot capability. Ran gptsync and got: Current GPT partition table: # Start LBA ...
1
vote
1answer
328 views

installation ubunto 14.01 on a different partition with windows 8.1

Please assist me. I am eager to install Ubunto 14.01 on a different partition but I do not know how to do it. I have HP with windows 7 pre-installed then I upgraded to windows 8.1 please show me how ...
1
vote
1answer
2k views

Windows 8.1 not appearing in Grub2 after installing ubuntu 14.04

I have HP notebook which came with freeDOS (MBR partitioned with two primary partitions). I have installed Windows 8.1 in Legacy mode by creating another primary partition. Yes, in Legacy mode though ...
1
vote
3answers
6k views

Gparted can't create partition table

Here's what the problem is. About a day or so ago I used Gparted live cd to create 3 NTFS primary partitions on my external 500 gig Goflex and one extended with 2 logical partitiones. I had planned ...
1
vote
2answers
5k views

Uninstalling Ubuntu from dual boot / Change bootloader

I have a Win/Ubuntu 11.10 dual-boot setup, where I am running the OSes on separate partitions of my laptop HDD. I assume the best method of uninstalling is 'simply' a matter of deleting the Ubuntu ...
1
vote
2answers
1k views

How to fix my MBR? While installing random Ubuntu my MBR is not getting overwritten anymore

I boot with liveUSB. But how do i fix now my MBR, so that i can re-install Ubuntu? (after installing ubuntu i get mostly this blinking cursor and black screen) root@ubuntu:~# fdisk -l Disk /dev/sda: ...
0
votes
1answer
425 views

Error message 0xc00000001 while booting Windows 8 after installing Ubuntu

After I installed Ubuntu 14.04, as I switch on my computer I only receive one message which is: Windows Boot Manager, Windows failed to update: status 0xc00000001 What should I do?
0
votes
2answers
91 views

Is there any easy way to get Ubuntu back after reinstalling windows 8?

Apparently I can't use the grub> root(hd...) trick from a LiveCD because GRUB can't find itself. It is on /dev/hdb5. There are 3 hard-drives. One has Windows 8 and Ubuntu 13, one has Ubuntu 12, and ...