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How to remove a bootloader from MBR

I had installed rhel5 on my system having vista alredy on unallocated space,now i've deleted linux partitions through vista and after restarting i'm getting grub not window

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Boot from windows startup disk (CD or floppy), enter command prompt mode. Make sure you have fdisk program. Then run `fdisk /mbr` to restore your MBR (Master Boot Record).

Posted on Dec 25, 2008

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Posted on Jan 02, 2017

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I've dual booted win8 with linux, to remove i used "easyBCD" to restore MBR, and deleted the partition. the deleted partition was lost and my harddisk capacity (showing as online) reduced to 300gb fro


erase your drive and deallocate and repartiton your whole drive using fdisk(windows) or utility softwares like killdisk
also one thing is to be noted that Linux systems recognizes the windows fat32 and ntfs partitions but windows doesn't recognize file systems like ext4 or swap which are the prime type of file systems partitions used in Linux systems!

May 31, 2014 | Computers & Internet

Tip

When a Windows install kills your dual boot to Linux


Distro installers are pretty good at identifying an existing Windows installation and setting up dual booting, but should you have to reinstall a spyware-riddled Windows install you'll find that your machine boots straight into Windows and that your Linux installation is gone!
Don't panic: all Windows has done is overwrite the Grub bootloader with its own equivalent, removing your boot menu. All your data is still there - you just need to reload the bootloader configuration into the disk's master boot record (MBR). You'll need to boot from a Live CD to do this, this, then open a terminal and run

sudo grub-install /dev/sda

This assumes you have everything installed on the first (or only) hard drive. Grub-install will usually make a good job of detecting a Grub installation and set things back to rights. If it doesn't, you'll have to do it manually, which is a lot easier than it sounds. Run sudo grub to enter the Grub shell. then run

find /boot/grub/stage1

...to determine which partition holds the Grub files. If Windows is on the first partition Grub is likely to be on the second, in which case this command will return something like (hd0,1). Now set Grub up with

root (hd0,1)
setup (hd0)
quit

The first command identifies the boot partition, the second writes the bootloader to the MBR and then you leave the Grub shell. Grub is only concerned with the location of /boot, so if you have a separate /boot partition, omit the /boot part from the find command.

on Mar 26, 2010 | Computers & Internet

1 Answer

How to partition the HD into two portion with OS windows 8?


Hold the Windows logo key on your keyboard and press "R" (Winkey+R). This will launch the Run the utility. Type "diskmgmt.msc" inside the text box and press Enter. This will open the Windows Disk Management utility. This is where you can format, create, and delete hard drive partitions.
order to create a partition, you need unallocated space. Unallocated space is basically disk space that is not formatted or not prepared for storage. Formatting is the act of preparing a disk space for storage. It similar to building a foundation for a place to be inhabited. Thus, unallocated space is just useless blank space with no "foundation" or format.
To create unallocated space, you need to shrink your hard drive. When you shrink your hard disk, the remaining space becomes unallocated.
To do this, right-click your main drive and select "Shrink Volume."
You will then see the region of unallocated space (shaded black). Remember, this space is not yet usable.
Now you need to create "foundation" or format for the unallocated space. This will allow for the space to become usable.
Right-click the region of unallocated space and select "New Simple Volume."
This will launch the New Simple Volume Wizard. This will guide you through the installation process.
ssign the disk a drive letter. You can choose any drive letter that is not currently in use.
Select a file system for the disk. The file system is basically the type of format or "foundation" the storage device has. If you plan on installing a Windows OS to the partition select the"NTFS" file system.
Name the partition in the "Volume Label" text box. You can choose any name for your partition.
Now click "Finish" to create the new partition.

Regards
David

Sep 19, 2013 | Lenovo B590 6274 - 15.6" - Core i3 2328M -...

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I removed Ubuntu from a dual Vista/Ubuntu boot system. Now I am left with a free space. When I try to create a new simple volume using Vista Disk Management tool, it comes back with a message "there...


it is very hard for me to help someone that wants to get rid of LINUX :( ...but I'm a proffessional and I'm letting my feelings aside ha!

Firs is your MBR was created with UBUNTU or Windows (in other words when you boot is it a windows menu or a LINUX menu) that lets you choose the boot options? if it's LINUX you have to use a LINUX base partition editor to edit the MBR (the way the system will boot), if it's a Windows MBR then you normally ave to delete the LINUX partiton... (if Windows can not delete it you can use a LINUX base disk partitioner) be extra prudent using disk partition editors, if you do not understand what you do you can LOSE data...

Good luck!

Jan 12, 2011 | Computers & Internet

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Right, i just installed ubuntu, then overwrite my vista drive, i have a vista disk but i don't know how to overwrite the linux bootloader with vista. last time i tried this if failed.


To re-install Windows Vista please do the following:
Put the disc in and restart the computer
Boot from the disc
Do a full system install
Delete your partition [contains Ubuntu(Linux)]
and install.

I recently did this last week, went from Ubuntu back to windows 7, and currently I duel-boot both Operating Systems. I hope this helps!
Please don't forget to rate :), Thanks!

Oct 07, 2010 | Computers & Internet

1 Answer

How can I uninstall Ubuntu from Dual Boot. I have a dual boot of Windows Vista Ultimate with Ubuntu 9.04 The specs of my computer is 2gb ram, 500 gb HDD and dual core processor 2.66ghz (E5300). I installed...


How to remove Ubuntu from a Vista dual-boot config

On my new PC I wanted (still want) to have toa go with Linux. I chose to experiment with Ubuntu. I downloaded thedesktop CD, burned it, freed up some disk space (inside Vista) andloaded up Ubuntu from the CD. After some experimenting I figured outhow to install Ubuntu in the empty disk space and it all worked fine(GRUB took over my booting (recognized Vista automatically!) and Ubuntuloaded up fine).

Then I tried to install my GPU drivers andeverything went wrong.. For some reason Ubuntu wouldn't boot anymore(failed to load X-Server or something). I was completely lost andwanted to remove Ubuntu.

This is where things start to get really messy!

Ifyou simply remove the Ubuntu partition, GRUB (Linux boot loader) willstill be on your PC (in control). It will trip out, as the Ubuntupartition will be removed.. Bad thing!

So you need to restore your Master Boot Record (MBR) for Vista (so that Vista will handle the booting, not GRUB).

Googleonly pointed me to sites that explained how to REMOVE VISTA, whichisn't what I wanted. Many sites talked about the 'fixmbr' command, butthis is really only available in Windows XP.

So how do you restore your MBR for Windows Vista?

1. Put the Windows Vista installation disc in the disc drive, and then start the computer.
2. Press a key when you are prompted.
3. Select a language, a time, a currency, a keyboard or an input method, and then click Next.
4. Click Repair your computer.
5. Click the operating system that you want to repair, and then click Next.
6. In the System Recovery Options dialog box, click Command Prompt.
7. Type Bootrec.exe /FixMbr, and then press ENTER.

That'sit. Now when you reboot your PC, Vista will load automatically... Youcan now safely boot using your Ubuntu desktop CD, to use the built inGnome Partition Manager to remove your Ubuntu partition!

Apr 06, 2010 | Microsoft Computers & Internet

1 Answer

I have my HDD and system information completely removed during partition management .Now my laptop has no OS installed.During windows xp installation the windows is showing no partition at all my hard disk...


hallo!!!
you need to reformat again of your computer and delete your curente install os delete all drive when the operating system is loading and format is starting press d after that press L . press c press F to make all fresh copy

Sep 04, 2009 | Toshiba Satellite A100-S8111TD Notebook

3 Answers

How to Install both XP and Linux?


Hi,
I would install XP 1st then Open suse or Ubuntu. When you install either of these linux OS's ensure you install to another partition other than the windows one. Both installation routines will allow you to format the drive to the linux ext2 format and automatically install a boot manager (usually GRUB) which will allow you to select the OS you wish to boot.

Aug 09, 2009 | PC Mall Ubuntu 8.10 for Linux

1 Answer

2 operating systems


The Boot Configuration Data (BCD) store contains boot configuration parameters and controls how the operating system is started in Microsoft®Windows Vista.
Remove Windows Vista From Dual Boot System Windows Vista works slightly different from earlier versions of Windows when installed on a dual boot system, in that it has a completely different boot loader.
When Windows Vista is first installed as a dual boot operating system a new boot folder is added to the root directory of your PC. This is a hidden file and therefore is not noticed. When you boot your PC a menu appears with the following options:
  • Earlier versions of Windows
  • Windows Vista
Clicking the Windows Vista option will boot the PC into Windows Vista. If, however, you select the earlier versions of Windows option, another menu will appear from which you can choose Windows XP or whatever earlier version - Windows 2000 or Windows 2003 server - you installed first.
Because of this new boot loader it is not as easy to remove Vista from a dual boot system scenario. Simply deleting the Vista partition will, of course, remove Windows Vista, but, unfortunately, it will not remove the Windows Vista boot loader. For this reason, if you simply delete the Windows Vista partition, on rebooting your machine you will not automatically boot into Windows XP (or an earlier version). Instead you will once again be presented with a menu from which you have to choose which operating system you wish to boot to.
Obviously, once you have removed the boot loader and rebooted the Vista operating system will still be on the partition you originally installed it on. To remove Vista completely you will need to Delete the partition that Windows Vista was installed upon.
To remove this menu, or more to the point, the boot loader, proceed as follows:
1/ Boot the PC to Windows Vista
2/ Ensure you are logged onto the Internet and then download the freeware boot loader utility VistaBootPro (www.vistabootpro.org)
3/ Once you have downloaded VistaBootPro, install it on your machine
4/ During Install VistaBootPro will install an icon on your desktop
5/ Locate the VistaBootPro icon and Right Click on it. Then, from the drop down menu, Click on the Run As Administrator option
6/ User Account Control (UAC) will pop up and ask for permission to run the program
7/ After you have given UAC permission - you must be the administrator or have administrator privileges - VistaBootPro will run.
8/ Once VistaBootPro opens, Click on the Bootloader tab
9/ In the Bootloader Maintenance section, Click on the Radio button next to the option marked 'Uninstall the Vista Bootloader (Used to restore Legacy OS) option' and then Click the Apply button
10/ Finally Reboot your PC
11/ On rebooting your machine you will boot directly into Windows XP (or an earlier operating system). No menu will appear.
12/ All that is left to do now is to delete the partition which originally contained Windows Vista. (Assuming you wish to remove the Vista partition from your hard drive).

Sep 12, 2008 | Acer Aspire 3680 Laptop

2 Answers

I need step by instruction to instal linux with vista


To solve this problem you have to make a partition form the outside of windows
---------------
1 - delete the partition you made in vista
---
2- download from the internet an Fdisk bootable floppy OR use Puppy linux live cd and run gpart from menu > setup > gpart
----
3- folloe the intructions on the fdisk program and then install linux
--------

Jul 03, 2008 | Veo Observer Network Camera

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