From wikipedia A master boot record (MBR) is a type of boot sector popularized by the IBM Personal Computer. It consists of a sequence of 512 bytes located at the first sector of a data storage device such as a hard disk. MBRs are usually placed on storage devices intended for use with IBM ...
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15 views
rEFIt can't sync GPT and MBR after resizing boot camp partition
I've been trying to follow the instructions here to increase the size of my boot camp partition:
...
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1answer
44 views
How can I recover a lost MBR/boot sector?
I had a VDI (VirtualBox Virtual Disk Image) with Ubuntu 11.10 (64bit, I think) installed on it. Earlier, while running a GParted live CD on my Virtual Machine to erase the partition table of another ...
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147 views
How do I fix MBR on Windows XP? (no such partition after removing Linux)
I need some basic help with fixing partitions.
I have installed Linux on a partition but then I had to reclaim the space.
I used diskmgmt to erase partition and then easeus partition tool - to ...
4
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1answer
112 views
MBR: How does BIOS decide if a drive is bootable or not?
While trying to answer this question on askubuntu: How do I Uninstall GRUB I read the Wikipedia article on MBR and also the perfect answer on a somewhat related question here on Superuser, however, ...
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186 views
How to fix my GPT and MBR (hybrid)?
I was trying to create a triple boot (Ubuntu, OS X and Windows), so I used VirtualBox to install Windows 8 (Consumer Preview) to a real (FAT at the time) partition, so it wouldn't have access to my ...
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1answer
62 views
cannot boot from CD, MBR Error with no HDD attached
I'm trying to get an older 32 bit computer up and running.
I set BIOS to boot from CD 1st, HDD 2nd. It gets to "Boot from CD" but it never gets to "Press any key to boot from CD".
The screen just ...
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4answers
232 views
How do I recover the MBR on a Thinkpad t420?
After a messy Linux upgrade of my dual boot Lenovo T420 I ended up with GRUB replacing my MBR. Everything works fine: I can boot both Linux and Windows; the only thing different from before is that ...
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1answer
167 views
Problems with Windows 7 + Windows Server 2008 R2 multibbot on EFI computer
We have a new computer, and I am a bit confused from its new features I don't know from older hardware. It is a high end PC based on socket 2011. I want to use an SSD disk for operating system, and I ...
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1answer
53 views
External Hard Drive prevents windows from starting
I have an external hard drive that I was using for installing windows on my computer, and now it won't let Windows start up. The drivers load (in safe mode) but the blue bar never comes up (in normal ...
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3answers
249 views
LVM volume with corrupt MBR: how to mount and recover data from it?
I am new to LVM and partitioning in general, and so, am in a situation here.
The Situation:
I accidentally overwrote MBR of a Fedora 16-created LVM disk.
Now, everything else on this disk is ...
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1answer
2k views
Repair Windows 7 MBR with Hiren's Boot CD
I would like to repair my Windows 7 MBR using Hiren's Boot CD 15.1.
I want to know the generic method, using this CD, to fix an MBR that is hypothetically "toast".
This hypothetical HD is as ...
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0answers
47 views
Restoring Vista installation from a partition image
Can I restore a Vista installation from a partition image and not have to image the entire disk?
If I had these:
A Vista partition image saved to an external disk using dd or ddrescue.
A copy ...
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0answers
358 views
GRUB2 rescue boot into windows
I had got 2 partitions on my harddrive:
1. win7;
2. Ubuntu 11.10;
As it can be predicted the GRUB loader was in the second partition and this partition was formated from ext4 to ntfs.
Now I get this ...
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0answers
49 views
Why does an MBR partition table entry have its starting sector as both CHS and LBA?
In an MBR's partition table section, every partition has the first absolute sector available in both the CHS and LBA formats. It's relatively straightforward to convert between the two.
When the ...
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1answer
478 views
How to fix Truecrypt MBR using Command Prompt or Linux live USB?
I was playing with TrueCrypt and decided to make a fresh installation of Windows 7 from USB stick.
Unfortunately Windows 7 installer: "setup was unable to create a new system partition"
My entire ...
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1answer
90 views
Windows 7 boot information
I have an old IDE drive with windows 7 installed on it. I disconnected that drive, and installed a new windows 7 to a new drive (SSD).
I want to extract data from the old drive. However, the problem ...
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0answers
506 views
OS Missing? Messed up the MBR on Win7 64-bit
I have Win7 machine with two hard drives: a 1TB c:\ drive and 500GB j:. I had WinXP installed on c: and Win7 installed on j:. I installed Win7 after WinXP from a install .exe I (legally) bought and ...
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2answers
310 views
Computer stuck at “Verifying DMI Pool Data”
I'm trying to troubleshoot this problem, I've had it happen before and I fixed it but nothing seems to be working.
My assumption is that since I can boot off the windows recovery disk this is purely ...
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1answer
73 views
Realtime Bootloader?
Does there exist a bootloader which can scan your disks for operating systems on startup, rather than requiring manual setting up of the bootloader?
This would make it very easy for a layperson to ...
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2answers
133 views
Incorrect disk size reported for internal drive after attempting to boot from external drive
I wanted to run something off of my old Windows XP install, so I plugged it in as an external hard drive and attempted to boot from it. The machine blue screened on me. (I now know this is a bad ...
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0answers
416 views
Recover truecrypt partition without MBR + recovery disk?
I destroyed my mbr and have no truecrypt rescue disk. However, I do know my password and my encryption setup (e.g. hashing functions and ciphers used).
This happened after an upgrade to version 7.0a ...
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0answers
132 views
Getting rid of a GPT signature without touching MBR [closed]
Possible Duplicate:
GParted errors on MBR Disk, Claims it's GPT. (It's mistaken, but why?)
I have a disk that seems to contain both an MBR and a GPT. When trying to access the ...
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1answer
127 views
Which drive's MBR does the Windows 7 installer overwrite?
Is it the first drive listed? Or is it the drive the C:\ partition belongs to?
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1answer
119 views
Want to remove 2nd disk but MBR needs to be moved. How do I do it?
I have a laptop with two HD, the second one was added later. I had Windows Server 2008 installed on the first disk (0) and thn added the second disk (1).
Next I installed Windows 7 on the second disk ...
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3answers
410 views
How to manually edit mbr to recover lost partition?
I have accidentally deleted two hfs+ partitions.
I know start and end sectors of both of them. These partitions are 100% healthy. I can see them in Raise Data Recovery, but testdisk does not see them.
...
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3answers
274 views
Migrating Windows 7 to new hard drive/partition
So, I'be managed to migrate my Windows 7 data over from /dev/sdb3 to a new partition on /dev/sdc1 using ntfsclone. I managed to resize the volume size to match the new partition size. I also used ...
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2answers
740 views
How do I restore Windows 7 Master Boot Disk Record without CD Drive? [closed]
Possible Duplicate:
Restore Win 7 MBR without Recovery/Install Disc
This is how to restore Windows 7 MBR (relies on CD Drive).
But I need to do this with a netbook, how do I restore the MBR ...
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2answers
79 views
Copy just the 64 byte partition table using dd
Given:
===MBR INFO===
MBR SECTOR NAME BYTES
code area 440(max. 446)
disk signature (optional) 4
Usually nulls; 0x0000 2
Table of primary partitions 64(Four ...
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2answers
534 views
How do I create an MBR on a USB stick using DD command line tool
Okay I'm trying to create a BOOTABLE Windows7 image on a USB key from a Mac running Lion. My image is .iso format. I tried:
sudo dd if=/Users/myusername/Win7.iso of=/dev/disk1 bs=1m
And this ...
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4answers
507 views
Need to fix Windows MBR without using a CD
I have a laptop which was Linux/Windows 7 dual-boot. I need to get rid of the Linux partition so that it only boots into windows.
I know how to do this if I have the Windows 7 CD(which I do). But ...
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0answers
62 views
Windows 7 not booting, could not restore boot record
After not using Windows 7 for a month (and a few Ubuntu 11.10 updates being applied), I found I'm no longer able to boot from GRUB2 to Windows.
I've tried to reinstall GRUB2, and have done some other ...
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1answer
352 views
Corrupt MBR in RAID-0 setup - Missing Operating System
I have a 2x500GB RAID-0 setup on an Asus M4A785TD-V EVO Motherboard.
Recently, I was doing regular cleaning and after assembling up again the PC started normal.
But on the next boot, it suddenly gave ...
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3answers
141 views
Boot Failed after XP Installation, fixmbr give BSOD
I have installed Windows XP with SP2 on my PC. However, after reboot to complete the installation, I get error message "Disk read error. Press any key to restart". I've try to boot into recovery ...
4
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1answer
86 views
Half-installed Windows 7, how to restore Windows XP bootloader
I was going to install Windows 7 on my old pc, however I decided against it half way through the installation (just after first reboot) and I cancelled it. Then I worked out that I can press F8 then ...
2
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0answers
217 views
Recover data from Dynamic Disk (MBR) bigger than 2TB
Here is the situation: Promise Array FastTrak TX4310 with 3 disks (750 GB each) in RAID5. This comes to around 1500 GB of data.
Last week I had the idea of expanding the RAID with an additional 750 ...
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3answers
155 views
Backing up MBR on laptop disks with recovery partiitions?
Most of the Linux distributions I use allow me to override where GRUB is installed, but I now need to install Ubuntu on some Dell Latitude laptops, and on the test install I did on my old Vaio ...
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2answers
319 views
How do you read a HEX partition table?
I'd like to know how to read a partition table to find out useful information such has how many partitions are on the drive, the size of the partitions and things like its starting and ending LBA ...
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2answers
814 views
How to recovery Windows 7 MBR with only Lenovo recovery disk (without Windows 7 installation disk)
I have a Lenovo T420 with Windows 7 64-bit Home Premium installed. I only have 4 recovery discs which is made when I got the laptop. There is no original Windows 7 installation disc.
Now I messed up ...
0
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1answer
173 views
Netbook Windows 7 recovery
I have an Asus 1005PE netbook which I installed Ubuntu on as a second partition a while back. Its primary partition is Windows 7 Starter. I've now upgraded to a bigger laptop and am selling this ...
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3answers
95 views
Changed the drive letter of a non system partition and now the machine won't boot
My girlfriend's Windows 7 netbook had a partition with the letter V. I don't know where it came from no what it is. It contained a couple of files including command.com which is from pre Windows XP I ...
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0answers
116 views
How to remove Ubuntu, that is alongside Win7 on a bootcamp partion without screwing up MBR/Refit?
I had this awesome setup, OSX, and Win7 on the bootcamp partition.
Windows was booting fine in VMWare Fusion until... I've tried to triple boot by adding an Ubuntu partition.
Now I've got reFit ...
1
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2answers
305 views
Restore Windows XP MBR without Windows XP disc
Is there a clone of the windows recovery console for windows xp because I no longer have the disc to restore the MBR. I also need to be able to run this off a flash drive because my dvd reader is ...
0
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0answers
107 views
Windows 7 crashed at loading - mbr might be corrupted
I have Windows 7 and ubuntu at my desktop pc.
Windows are installed on the ssd and ubuntu on a hdd.
When I powered on my desktop, Windows Boot Manager used to come up with 2 options(Windows/ubuntu).
...
3
votes
2answers
607 views
How to see if USB stick has MBR?
I have a USB stick supposed to be bootable, but the computer does not boot it. I suspect that there is no MBR (Master Boot Record).
How do I test if this is so, preferably from command line in ...
1
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1answer
128 views
How can I fix the MBR on my hard drive?
I've tried to use fixmbr (from the Windows XP Recovery Console) and pointed it to C:\, but broke it!
Now I have:
D:\Windows - with no ntldr
C:\ - broken inaccessible partition with Grub and ntldr
...
3
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2answers
566 views
How to write to both GPT and MBR manually?
I have a big deal here. I have a MacBook with 3 partitions:
HFS partition for Mac OS X 10.6
NTFS partition for Windows 7 64-Bit
NTFS partition for my documents
It thus works with both GPT and ...
0
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1answer
131 views
Arch installation success, but only a blinking cursor appears [closed]
Installation was flawless and I used the entire hdd. Changed the values of the image and initramfs to point to the corect kernel.
USB boots correctly and the hdd can be mounted(by the live enviroment) ...
9
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2answers
1k views
What are the differences between MBR vs GPT vs any other partition scheme?
Can anyone tell me what the main differences between i.e. MBR vs GPT or any other partition scheme are? Why would one choose one over the other?
I am not an expert but from new release of Mac OS X ...
2
votes
2answers
181 views
How to make a floppy image and overwrite the MBR
I am trying to make a floppy image with a working file system so that I can test a 2 stage boot loader. When I attempt to mount the floppy and then cp the second binary over to it, mount gets all ...
2
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1answer
65 views
How do I create a Windows 7 system image?
I have to create a disk image of Windows 7 with all the installed applications on it, so I can restore this image later.
I am modifying my partition scheme from MBR to GUID partition table, and ...
