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• rEFIt can't sync GPT and MBR after resizing boot camp partition

  - by benwad

  I've been trying to follow the instructions here to increase the size of my boot camp partition: http://plonsdale.wordpress.com/2011/06/24/tech-tip-increasing-the-size-of-a-bootcamp-partition-with-free-tools/ I got as far as step 3 when I booted from the rEFIt CD. I selected the partitioning tool and it gave me the following message: Error: Not Found returned from gptsync.efi Now the Windows boot camp partition doesn't show up when I hold alt when starting my mac. Trying to boot into Windows using the rEFIt CD gives me a message saying no Windows installation is found. I then booted off the Windows 7 install CD and the 'repair' option gave me this message: This version of System Recovery Options is not compatible with the version of Windows you are trying to repair. Try using a recovery disc that is compatible with this version of Windows ...and if I try and go install a fresh version of Windows on this partition using the 'Custom (advanced)' option I get an error about the partition saying: Windows cannot be installed to this disk. The selected disk is of the GPT partition style

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• How do I create an MBR on a USB stick using DD command line tool

  - by Lana Miller

  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 succeeded in writing the files, except in DISK UTILITY on the mac, it shows the partition type as GUID Partition Table and not 'Master Boor Record'. Booting the key on my Vista computer yields the error "No boot sector on USB Device' From what I can tell, bs=1m in the DD command should have left 1 Megabyte for the boot sector, but for some reason this area of the USB Key is not set up correctly so that it will boot How can I fix this, or correctly use dd to write a bootable cd image such that it is now a bootable usb drive? Note: in the instructions I read about, they recommended renaming my Win7.iso to Win7.dmg before using DD, which made absolutely no sense to me, so I didn't do it. I could try with that step now, but it takes 1.99 hours to write the image to the USB drive so there is a huge penalty to trial and error here. Thank you.

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• Have I fixed my partition problem with os x 10.5.8? Are my GPT and MBR back to normal?

  - by David Schaap

  I'm new to linux and I have overstepped by abilities. I tried dual booting os x 10.5.8 with ubuntu 11.10 with rEFIt, but I been having problems with partitioning. Instead of enduring more headaches, I've made the decision to simply use ubuntu on VirtualBox. I've tried to return my HDD to normal, but I am looking for confirmation that my partitions are ok. Here is the report from partition inspector: *** Report for internal hard disk *** Current GPT partition table: # Start LBA End LBA Type 1 409640 233917359 Mac OS X HFS+ Current MBR partition table: # A Start LBA End LBA Type 1 1 234441647 ee EFI Protective MBR contents: Boot Code: GRUB Partition at LBA 409640: Boot Code: None File System: HFS Extended (HFS+) Listed in GPT as partition 1, type Mac OS X HFS+ Also, my HDD directory has a bunch of extra folders in them and they appear to be ubuntu related, although it is no longer installed. folders like bin, sbin, cores, var, user, and so on. Those folders aren't supposed to be there, right? Thanks in advance.

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• winapi c - read/write mbr of system drive

  - by kiasecto

  Does anyone have any example code that shows how to identify the system boot harddisk, and read/write the mbr from the harddisk in windows xp and vista? I know createfile can be used. But I do not know how to properly identify which device is the boot device. Like how do you find out which ones you are meant to use? \.\Volume{GUID}\ or \?\Device\HarddiskVolumeX etc?

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• GPTsync mismatch problem

  - by user86762

  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 End LBA Type 1 34 1987 BIOS Boot Partition 2 1988 1029662719 Basic Data 3 1029662720 2108995583 Basic Data 4 2108995584 2109405183 EFI System (FAT) 5 2109405184 2517004287 Mac OS X HFS+ 6 2517266432 2667417599 Mac OS X HFS+ 7 2667417600 3900229631 Basic Data 8 3900230504 3907029118 Linux Swap Current MBR partition table: # A Start LBA End LBA Type 1 1 3907029167 ee EFI Protective Status: MBR table must be updated. Proposed new MBR partition table: # A Start LBA End LBA Type 1 1 33 ee EFI Protective 2 34 1987 da Non-FS data 3 1988 1029662719 83 Linux 4 * 1029662720 2108995583 07 NTFS/HPFS May I update the MBR as printed above? [y/N] Clearly the MBR table is damaged or mismatched. But it does not reflect the correct GPT table partitions at all. How do I get the MBR repaired to match the GPT table (up to the 4 part limit of course)? The question is simply - Do I blindly say Yes to gptsync's suggestion? It looks sort of ok but not exactly so...Advice please on interpreting the above output to get my disk usable would be greatly appreciated. Thank You!

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• How can I duplicate HBCD's XP boot loader with my MBR?

  - by Warpstone

  I'm stumped. I'm migrating a Win XP Lenovo T500 to an SSD: I copied the XP partition using EaseUS to the SSD. Aligned the boot sector using Gparted The MBR needs to be rebuilt (fair enough) However, all attempts to use the Windows Recovery console hang (both via a boot CD and even when the console was installed as a boot option). I've tried using a bunch of tools to rebuild/replace the MBR, but no dice. They all say the MBR has been fixed, but I cannot load Windows from the SSD. The HBCD's boot from windows option works just fine however. I'm confused as to what HBCD can do that my drive can't. How can I get that functionality on my SSD? Is it a MBR fix I can mirror? The SSD is extremely fast when I do use HBCD to boot up... but it would be nice to not need a token-based access to the machine! :) Note: I know, windows 7 may be worth a fresh install, but I'm trying to avoid the cost and hassle if possible.

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• Is it possible to have Grub2's boot.img in the MBR and have it load core.img from a separate boot pa

  - by wesley

  I have a multiboot system that I would like to use Grub to manage. The version of Grub shipping with my Linux distro is Grub2, and it installs its equivalent of stage 1.5-2, core.img, into the remaining sectors on the first track after the MBR but before the first partition. Unfortunately, those sectors are needed by another program. I have a separate primary /boot partition. If I could only keep boot.img as my MBR but have it look in the /boot partition for core.img rather than the embedded one in the sectors immediately following the MBR, everything would work fine. Is this possible with grub2?

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• Is it possible to have Grub2's boot.img in the MBR and have it load core.img from a separate boot partition?

  - by wesley

  I have a multiboot system that I would like to use Grub to manage. The version of Grub shipping with my Linux distro is Grub2, and it installs its equivalent of stage 1.5-2, core.img, into the remaining sectors on the first track after the MBR but before the first partition. Unfortunately, those sectors are needed by another program. I have a separate primary /boot partition. If I could only keep boot.img as my MBR but have it look in the /boot partition for core.img rather than the embedded one in the sectors immediately following the MBR, everything would work fine. Is this possible with grub2?

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• How to install MBR with Maverick or Karmic

  - by Kilos

  I have been using Ubuntu since 9.10. Now Maverick crashed and my MBR is wrecked. I have run dd if=/dev/zero of=/dev/sdb bs=512 count=1 on advice from another Ubuntu user but now I can only install any Windows release and no Ubuntu. How do I completely erase the MBR and then use an Ubuntu live CD or another HDD with Ubuntu on to install a Linux-only MBR please. I am rather new at the technical side of Linux and have bandwidth shortage problems so I can't download large amounts of data. Thanks in advance!

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• Does EASEUS Partition Master copy the MBR when it copies partitions?

  - by user35319

  When I copy the partition to another partition using EASEUS Partition Master, does the Master Boot Record (MBR) get copied too? I need to boot from that copied partition so need to know if the MBR comes along with the rest of the partition.

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• What are the differences between MBR vs GPT vs any other partition scheme?

  - by Safran Ali

  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 which includes a feature called Time Machine, which I find highly useful. GPT is the requirement for Mac OS X Lion ... so on this basis I would say that GPT is more useful than MBR. What other partition schemes are there and which one should be used in which situation?

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• How to tell which physical disks have bootable MBR?

  - by Jon

  The computer I am using right now has 6 physical disks attached. Using the BIOS's "select boot device" functionality I have discovered that I can boot off 3 of these disks into the exact same bootloader. This means that all of these disks have the bootable flag set on their MBR, even though I had been under the impression that only 2 of them are in fact bootable. My question is: is there an easy way to check which disks have a bootable MBR with a command line tool or some OS utility? I am aware of the DISKPART tool and its basic functionality, but I haven't found how to view the information I need. The OS is Windows 7 x64 Ultimate with SP1.

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• Repair Windows 7 MBR with Hiren's Boot CD

  - by Joshua Robison

  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 follows: 100 MB MBR partition 60 GB Windows 7 system Let's imagine there is an empty 100 MB partition and the MBR is corrupt beyond repair or completely not there and my only option is Hiren's Boot CD.

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• Accidentally mounted a ReiserFS drive as MBR on my windows box - how do I recover?

  - by Ryan

  I had a WD Netcenter with a 160GB drive that kept dropping off the network. I opened up the enclosure and removed the hard drive, connected to a Windows box without knowing the drive used ReiserFS.... When mounting on the Windows box, I chose "MBR" as filesystem. 70GB of data corrupted: 90% of data is word documents, excel spreadsheets, and jpg's - all mission critical. Attempted recovery on Linux box (ubuntu) using TestDisk: I could see the container, but couldn't get anything out – according to TestDisk this was because I chose "none" as filesystem. Attempted recovery using Nucleus Kernel Recovery for windows: 98% of what was recovered is incomplete and/or unusable. I need to know if a way exists to recover or rebuild original ReiserFS MBR, or what tools/techniques might give me the best results in recovering the data. Found a Windows version of TestDisk and I ran it yesterday - here are the results: TestDisk 6.14-WIP, Data Recovery Utility, May 2012 Christophe GRENIER <[email protected]> http://www.cgsecurity.org Disk /dev/sda - 160 GB / 149 GiB - CHS 19457 255 63 The harddisk (160 GB / 149 GiB) seems too small! (< 519 GB / 483 GiB) Check the harddisk size: HD jumpers settings, BIOS detection... The following partitions can't be recovered: Partition Start End Size in sectors > ReiserFS 3.6 62 241 8 19458 0 18 311581568 ReiserFS 3.6 62 248 55 19458 8 2 311581568 ReiserFS 3.6 62 254 37 19458 13 47 311581568 ReiserFS 3.6 63 6 28 19458 20 38 311581568 ReiserFS 3.6 63 13 11 19458 27 21 311581568 ReiserFS 3.6 63 21 43 19458 35 53 311581568 ReiserFS 3.6 63 27 41 19458 41 51 311581568 ReiserFS 3.6 63 37 35 19458 51 45 311581568 ReiserFS 3.6 63 54 20 19458 68 30 311581568 ReiserFS 3.6 63 76 26 19458 90 36 311581568

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• Clone a Windows Installation to a 3TB Hard Drive; MBR to GPT

  - by DanBlakemore

  I have Windows 7 Professional 64-bit installed on my desktop. Unfortunately for me and my wallet my hard drive is failing. I have purchased a 3TB hard drive as a replacement for my current 2TB drive. I would like to avoid as much hassle as possible in moving to this new drive so I would like to copy my current partition to the new drive using Gparted. The problem is that I suspect that my current partition is MBR, and I need GPT on my new drive since it is 3TB. Can I simply copy the MBR partition onto the new disk and then convert it to GPT after the fact (can you even convert the type of a partition)? Or would I need to somehow copy the contents of the partition into a GPT partition on the new drive? How do I go about making this transistion? Also, are there any issues I should be wary of booting to a GPT partition? If it matters, my motherboard is 1 year old as of May, 2012. Edit: My motherboard is 1 day old. My old one does not have UEFI compatibility, so I decided to make an upgrade to Intel today given that I would need a UEFI motherboard to use my new HDD. How much can I use a dying hard drive (bad sectors according to Hitachi Drive Fitness Test)? I have assumed not at all, to be safe.

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• How to fix Truecrypt MBR using Command Prompt or Linux live USB?

  - by Michal Stefanow

  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 HDD has been formatted and is visible as 320GB unallocated space, but no fdisk nor Windows 7 installer nor Windows XP installer could help. (Windows XP doesn't even see the HDD, it sees only USB stick and says "not enough space to install") It may be related to Truecrypt and pre-boot authentification, boot loader and/or MBR. As I don't have optical device I could not have created rescue disk. Right now I need a rescue of some kind, supposingly by erasing/fixing MBR using Linux live USB or using Command Promt. Another approach is to click "repair your comuter" menu from Windows 7 installer then click "restore your computer", then click OK upon error and get access to Command Prompt. Yet another another approach is to start computer without Linux USB I receive this: error:unknown filesystem. grub rescue> Any help would be greatly appreciated as my laptop is kind of not fully operational now. UPDATE: This was asked long time ago, ended up formatting everything (eventually it worked using different bootable USB)...

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• Wubildr.mbr is missing or corrupted

  - by Matej Kranjec

  I just installed Ubuntu using WUBI. I followed this tutorial and when I select Ubuntu from Windows boot loader, it says wubildr.mbr is missing or corrupted. Then Windows boot manager appears again. I try again. The same error. Then I go to Windows, and checked the wubildr.mbr which is in winboot. It is only 8 kb big. Is that normal? Is it corrupted? And one more thing. When I installed using WUBI, I got that error screenshot on (http://94.140.81.66/error.png)

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• OS Missing? Messed up the MBR on Win7 64-bit

  - by hom3lesshom3boy

  I have a Windows 7 machine with two hard drives: a 1TB C: drive and 500GB J:. I had Windows XP installed on C: and Windows 7 installed on J:. I installed Windows 7 after Windows XP from an installer .exe I (legally) bought and downloaded. It, and all of my other files, are sitting on my J: drive intact. While under my Windows 7 install, a few days ago I decided to use Priform's CCleaner and use its DriveWipe utility to wipe the C: drive. 1% into the process, I cancelled and attempted to use it again. It gives me an error saying it can't format the drive, so I poke around the Internet a bit, give up, and restart my computer. I first get an "OS is missing" error after the computer boots past the BIOS. I downloaded and put UBCD on a bootable USB to use another drivewiping tool to completely erase the C: drive, hoping it'll take the problem with it. No luck. I try to use TestDisk to make my J: my primary active drive, but no luck. I still get the "OS is missing" error. Or sometimes it'll hang at Verifying DMI Pool. Or sometimes I'll get the "NTLDR is missing" error. I get hold of Hiren's and put it on another bootable USB. I first I tried the Boot Windows 7 from Hard Drive option, and I get "Error 15: File Not Found". I tried the "Fix 'NTLDR is Missing'" option (I'm not quite sure why this is even showing up, since I'm trying to get into a HDD with Windows 7 installed. Probably messed up somewhere when I used TestDisk) and I get this list: I'll run through the error messages I get: 1st Try - Windows could not start because the following file is missing or corrupt: \system32\hal.dll 2nd Try - Windows could not start because the following file is missing or corrupt: \system32\ntoskrnl.exe 3rd Try - Windows could not start because of a computer disk hardware configuration problem. Could not read from the selected boot disk. Check boot path and disk hardware. 4th - 8th Try - Same as #3 9th Try - I/O Error accessing boot sector file multi(0)disk(0)fdisk(0)\BOOTSEC.DOS. And computer freezes. 10th Try - computer restarts Needless to say, not a single one of those works. I then tried to open up the Windows 7 exe I have sitting on my J: from the Mini-XP OS on Hiren's, but it won't run because I'm trying to run a 64-bit file from a 32-bit exe. At least, that's the problem according to these guys: http://social.technet.microsoft.com/...-b2f54e9c7d18/ I then borrowed a 64-bit Windows Home Premium CD from a friend to get to the recovery options. But I get the error message: This version of System Recovery Options is not compatible with the version of Windows you are trying to repair. Try using a recovery disc that is compatible with this version of Windows. I pressed Shift + F10 to get to the Command Prompt directly. These are the exact steps I took from there (paraphrased a little): X:\Sources>bootrec /Fixmbr The operation completed successfully. X:\Sources>bootrec /Fixboot The operation completed successfully. I restarted my computer, but it still didn't work. I unplugged the C: drive, then tried bootrec and Diskpart: X:\Sources> bootrec.exe X:\Sources> bootrec /RebuildBcd Total identified Windows installations: 1 [1] \\?\GLOBALROOT\Device\HarddiskVolume1\Windows Add installation to bootlist? Yes(Y)/No(N)/All(A):y The requested system device cannot be found. X:\Sources>DiskPart DISKPART> List Disk Disk # Status Size Free Dyn Gpt Disk 0_Online_465GB_0B_______* Disk 1 Online 1000MB 0B (this is Hiren's on a bootable usb) DISKPART> Select Disk 0 Disk 0 is now the selected disk. DISKPART> List Partition Partition # Type Size Offset Partition 1 System 465GB 31KB DISKPART> Select Partition 1 Partition 1 is now the selected partition DISKPART> Active The selected disk is not a fixed MBR disk. The ACTIVE command can only be used on fixed MBR disks. DISKPART> exit Leaving Diskpart... X:\Sources>bootrec /Fixmbr The operation completed successfully. X:\Sources>bootrec /Fixboot The operation completed successfully. Before I go any further, is there anything I'm overlooking/doing wrong? All I care about is making the J: and Windows 7 bootable again. SPECS: Windows 7 Professional 64-Bit GIGABYTE - Motherboard - Socket 775 - GA-P35-DS3R (rev. 2.1) Crucial Ballistix 2048MB PC6400 DDR2 800MHz (2x2GB) Intel Core 2 Duo E6700 Processor (2.6 (6GHZ) I think... not sure anymore C: HDD - SAMSUNG HD103UJ (1TB, not plugged in) J: HDD - WDC WD5000AKS-00V1A0 (500GB)

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• New SSD, is the MBR broken? DISK BOOT FAILURE

  - by Shevek

  I've been running Windows 7 on a WD 500gb SATA single drive, single partition setup for some time with no issues. I've just installed a new Kingston V Series 64gb SSD and performed a clean install of Win7 to it, deleting the partitions on the 500gb and using that as a data drive. All was well for a few reboots but then I started to get "DISK BOOT FAILURE, INSERT SYSTEM DISK AND PRESS ENTER" messages. If I put the Win7 install DVD back in the drive it boots fine. Tried a clean install again, after replacing SATA cables and swapping SATA ports, with a complete partition wipe of both drives. Again, rebooted fine a few times then back with the "DISK BOOT FAILURE" error. Looked on the web and found some discussions about it so I then started from scratch again. This time I wiped the MBR on both drives using MBRWork, disconnected the 500gb and reinstalled to the SSD. Removed the install DVD and installed all the drivers which involved many reboots, all with no problem. To make sure I also did a few cold boots as well. Reconnected the 500gb, initialised, partitioned and formatted it. Copied data to it and did some more reboots and shutdowns. All was ok. Then out of the blue comes another "DISK BOOT FAILURE" and again, if the Win7 install DVD is in the drive it boots fine. So, is the SSD a bad'un? TIA UPDATE: It was a BIOS issue! I found a hidden away option for HDD boot order, which was separate from the usual HDD/CDRom/FDD boot order option. The WD was set to boot before the SSD... Swapped them round and all is well. Still don't understand how it worked at first though... Thanks Solaris

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• install to USB without touching windows MBR

  - by Robert

  I would like as full of an install as possible (most notably no casper, just straight on the drive) on a USB stick, but I'm not allowed to touch the current configuration of the computer I'll be running it on at all (except of course changing the boot options to boot from usb). Most guides I read are about getting a live install with persistence on USB, or (I think) still replace the MBR with GRUB. Is there any way to combine the two, and not touch the underlying system?

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• How to restore Windows 7 MBR without a CD

  - by Brandon Bertelsen

  I have been playing with Ubuntu for a few weeks now, and I'd like to revert my computer back to it's original - factory - defaults. On the computer I have a recovery partition (it's a netbook). I went through the process of recovery and everything seemed fine. However, when I restart the computer I'm presented with grub rescue > Now, my understanding is that when I installed Ubuntu "side by side" it replaced the MBR or something like it, with GRUB. I've read on a slew of forums, that I need to use a Windows Recovery Disk. Here are my issues: a) I don't have a recovery disk, I have a recovery partition - it's a netbook. b) I don't have an external cd drive. What I do have is a USB key that has about 1gb of space on it. Thanks in advance.

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• restoring grub when Windows 7 MBR lost it

  - by Trent Hall

  My dual boot desktop was running only Windows 7 until it crashed on a windows update. Couldn't get it started again even after all the usual things that might fix it, so I installed Ubuntu 12.04, which has worked very well. unfortunately Carbonite doesn't run on Linux yet, and so I called Microsoft support to see if we could be Windows 7 up and running. Their attempts to get Windows 7 running resulted in writing a new MBR for windows, which failed and also somehow caused the loss of ability to boot into Ubuntu also. How can I get back to Ubuntu? I don't want to lose my settings in Ubuntu. Thanks... Trent

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• Tripple boot install with Windows MBR

  - by Andre Doria

  I have 2 hard drives, each 1TB. First drive has only Windows 7. The second drive has Kali installed on logical partitions #5 (/boot), #6 (/), #7 (/home), and #8 (swap). The bootloader is installed in /dev/sdb5. It also has Ubuntu installed on logical partitions #9 (/boot), #10 (/), #11 (/home), and #12 (swap). I want to use Windows bootloader, so I use easyBCD to configure the boot menu. EasyBCD sees my second drive partitions as #1, #2, #3,..., #8. I then add Kali selecting second drive #1 (/boot) partition, and Ubuntu selecting its #5 (/boot) partition. After this my menu has choices of Windows 7 (default), Kali, and Ubuntu. The problem is that whether I select Kali or Ubuntu I always boot Kali! Any idea on how to enable Ubuntu boot while also keep using Windows bootloader in MBR?

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• Wireless connect- Webcam activation- MBR repair/rebuild

  - by Rick

  Evening: I've NEVER had so much difficulty with Ubuntu. I got "Ubuntu Made Easy" and couldn't believe it hasn't done a damn thing to help solve the problems!!! #1. Since install of 12.04 I haven't been able to connect to wireless. Have done everything I can find/think of. Laptop indicates it's receiving wireless. Ran all updates, restricted extras, etc. NOTHING!! Tried to find how to activate built-in webcam (it worked when I installed O.S.) NOTHING; tried to find MBR repair/rebuild terminal command.. NOTHING!!! The book has has been useless, so far!! I really have to solve these problems, otherwise laptop and UBUNTU are worthless!!! Hope someone can help me out with any or all the problems I've listed. Sure would appreciate it!!!!!!!!!!! (laptop HP 2000-210US) Thanks: Rick

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• Windows 7 and Ubuntu Boot issue

  - by user115137

  I had the idea to dual boot Win 7 and Ubuntu and what I did was the following: Made a clean install of win 7 using all of my hard drive, next I used the Ubuntu live cd and gparted to partition my drive to be the following: /dev/sda1 ext4 20GB (Linux root) /dev/sda2 ntfs 100GB(Win7) /dev/sda3 ext4 350GB(Home) /dev/sda4 extended 4GB(swap) The thing is, when installing ubuntu I deleted the partition win 7 creates for its boot sector and recovery and then resized the drive to look like what I mentioned, and Ubuntu installed GRUB to the MBR. When GRUB boots I can see Ubuntu but not Windows, how can I chainload it? Or should I fix the windows mbr with the windows 7 installation disk and try to set the dual boot from there? I don't really care which one of the 2 bootloaders I end up using, I just want the dual boot to work out. Thanks

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