Restore. Ubuntu/XP/Vista/7. Bootloader - Community Help Wiki. Discussion of this wiki can be found here. This wiki is for Windows dual booters who reinstall an operating system only to find that it has taken away access to their other operating system. Whether you want to restore the XP, Vista, 7 or Ubuntu (Grub) bootloader, this guide will walk you through it. All four parts of this tutorial require that you boot from a CD or DVD. If you don't know how to do this, check here. If you have made a mistake and want to revert the changes, simply follow the instructions for reinstalling the previous bootloader. For example, if you have installed vista over ubuntu, try to get the ubuntu bootloader back, but want to get the vista bootloader back, simply follow the instructions for installing the vista bootloader. How to fix the Ubuntu GRUB bootloader. How to fully fix the Windows bootloader using a Windows disk. XPBoot on your Windows XP installation CD or XP Recovery console. You will get to a part where it asks if you want to repair or recover. This wiki is for Windows dual booters who reinstall an operating system only to find that it has taken away access. Windows Vista or 7 or 8. First boot on your Windows Vista/7/8. RestoreUbuntu/XP/Vista.
To do so, press "r". If prompted, enter your Windows XP administrator password. This will leave you at at a command line, so type in the following two commands: fixbootfixmbrexit. Then remove your XP cd. If everything has gone well, you should come to your XP bootloader. Windows Vista or 7 or 8. First boot on your Windows Vista/7/8 installation DVD. Ubuntu neben Windows entfernen (Windows 7). Ubuntu neben Windows installieren - Duration. Installation von Ubuntu 13.04 neben Windows 7 - Duration: 14:02. As you may know, Windows Vista, 7 and 8 use what is known as the boot loader architecture in order to boot up the operating system. In a nutshell, the boot loader architecture consists of the Boot Configuration Data. How do I remove Windows Tech. Preview from dual-boot? SL. SldCvr asked on October 6, 2014. Hi, Last day, I. with the other OS being Windows 7) Also, as for it being better to have 1 OS.I don't see why. You cite. > Windows 7 > [GELÖST] Dualboot entfernen HILFE! Login / Registrieren. Willkommen im. Gerüchte und Problemlösungen zum Betriebssystem Microsoft Windows 7. [GELÖST] Dualboot entfernen HILFE! Antworten. 06.03.2010, 19:00. If you have one of the many OEM computers that didn't come with a Windows installation disk, you can get the same effect with a Windows repair disk, which you can download (eg Win. Win. 7 6. 4bit) or create from another Windows Vista/7/8 computer (see this page for Win. Make your own Windows repair. CD, and Windows 8 UEFI repair USB must be FAT3. Win. 8 guide). When you get to the Regional settings, select your Location/Keyboard setting then click next. On the next page, click on "Repair your computer." On the next page, if it finds your Windows installation, make sure it is UNSELECTED before clicking next. Then click on "Command prompt". From there, type in the following 2 commands: bootrec. Now close the two windows and click "Restart." Take out your Windows DVD and hopefully, you will be left with your Windows bootloader. How to partially fix the Windows bootloader using an Ubuntu CD Note: these methods will work on Legacy firmwares (not UEFI), if Windows boot files are not broken, and if the boot sector of the Windows boot partition is healthy. In other cases, you will need a Windows installation or repair disc as described above. Run Boot- Repair from a live. CD, click "Advanced options", tick "Restore MBR", click "Apply". This will automatically restore a generic syslinux MBR, and set the boot flag on the Windows boot partition. This will also tell you if the Windows bootsector needs repair (see this tutorial). Via command lines. Boot from the live CD (or live USB) of any recent version of Ubuntu and choose “Try Ubuntu” to get to the live desktop 2. Check that the partition from which Windows boots has the 'boot' flag. For XP and Vista, this is normally the main C: partition. Windows 7 usually (but not always) has a separate boot partition of 1. MB in size with the partition label “SYSTEM”. There are also more exotic configurations where two versions of Windows have been installed to the same hard drive, or where the main Windows partition is a logical one. In these cases there will be a single primary partition with the Windows boot files which needs to be marked as active, and you will need to identify which this is. Once you have done so, open Gparted and see if “boot” is listed under the flags column for that partition. If not, highlight the partition and go to Partition menu → Manage Flags, tick the tick- box for “boot” and then close that window and close Gparted. Both methods below assume that the boot drive is designated /dev/sda in Ubuntu. This is almost always so, but with some unusual BIOS configurations where there is more than one hard drive, the boot drive may be other than /dev/sda. In such cases you will need to adjust the command appropriately. If internet connectivity available, open a terminal and run these commands: sudo apt- get install lilosudo lilo - M /dev/sda mbr. If no Internet connection: recent versions of Ubuntu include the file /usr/lib/syslinux/mbr. WARNING! Be very careful with this command and check for typos before running it. Now reboot, remove the Ubuntu CD and you should reboot straight into Windows. See also. Thread for discussion about this wiki page. Windows. Dual. Boot - Community Help Wiki. Introduction. This page describes how to set up your computer in order to dual boot Ubuntu and Windows. While there are some benefits to dual- booting (e. Instead, it is best to do a native install of Ubuntu, and then virtualize the other operating system. Back Up Your Data. Although this may seem obvious, it is important to back up your files to an external backup medium before attempting a dual- boot installation (or any other hard drive manipulation), in case your hard drive becomes corrupted during the process. External hard drives, USB flash drives, and multiple DVDs or CDs are all useful for this purpose. Have a Windows recovery CD/DVD available. Some computer manufacturers that pre- install Windows provide a Windows recovery/re- installation CD or DVD with the computer. However, many companies no longer ship a physical disc but instead create a hidden partition on the hard drive in which the recovery- disk information is stored. A utility is then usually provided which allows the user to burn a recovery/re- installation CD or DVD from it. If you are buying a new computer and intend on dual- booting, make sure you have (or can make) a physical Windows recovery/re- installation CD or DVD. If neither a CD/DVD nor a recovery partition/burning utility is provided by your computer manufacturer, you may need to contact your vendor and ask for a CD or DVD (to which you are normally entitled under the Windows EULA). You may need to request a physical recovery/re- installation CD or DVD directly from your computer manufacturer. See Windows. Recovery. Cd. Once you have created a physical backup disc from a restore- image partition on the hard- drive, the restore- image partition can either be removed or left in place. Ubuntu can be installed with it intact without problems. Install Ubuntu after Windows. A Windows OS should be installed first, because its bootloader is very particular and the installer tends to overwrite the entire hard drive, wiping out any data stored on it. If Windows isn't already installed, install it first. If you are able to partition the drive prior to installing Windows, leave space for Ubuntu during the initial partitioning process. Then you won't have to resize your NTFS partition to make room for Ubuntu later, saving a bit of time. When a Windows installation already occupies the entire hard drive, its partition needs to be shrunk, creating free space for the Ubuntu partition. You can do this during the Ubuntu installation procedure, or you can see How to Resize Windows Partitions for other options. If you have resized a Windows 7 or Vista partition and cannot boot up Windows, you can use the instructions from Windows. Recovery to fix it. Install Ubuntu. Download an Ubuntu Live. CD image (. iso) from Ubuntu Downloads and burn it to a disc (see Burning. Iso. Howto). Insert the Live. CD into your CD- ROM drive and reboot your PC. If the computer does not boot from the CD (e. Windows starts again instead), reboot and check your BIOS settings by pressing F2, F1. Delete, or ESC. Select "boot from CD". Proceed with installation until you are asked this question: "How do you want to partition the disk?". If you have already partitioned the disk and left space for Ubuntu, install it to that and then follow the rest of the steps. Otherwise, choose one of the next two steps. Automatic partition resizing (not recommended)Choose the first option, which should say "Install them side by side, choosing between them each startup". Specify the size of the new partition by dragging the slider at the bottom of the window. Click on "Forward". Continue on to Finishing Ubuntu Installation. Manual partitioning. Choose "Manually edit partition table". Listed will be your current partitions. Select the partition you want to resize and press Enter. Select "Size: ", press Enter. Select Yes, press Enter. Type in a new size in gigabytes for your partition, it's recommended you free up at least 1. GB of free space for your Ubuntu install. Press Enter when happy with your changes. It may take some time to apply the changes. Create a swap partition of at least your amount of RAM (if you don't know, 8. MB is a good value). Create a partition for your Ubuntu installation. Create other partitions if necessary: see Disk. Space. Select "Finish partitioning and write changes to disk". Master Boot Record and Boot Manager. GRUB2 is the boot manager installed in Ubuntu by default. GRUB2 is an open source boot manager that install the main parts of the boot loaders inside Ubuntu. This means Ubuntu is independent and avoids any need for writing to other operating systems. To accomplish this, the only thing in your computer outside of Ubuntu that needs to be changed is a small code in the MBR (Master Boot Record) of the first hard disk, or the EFI partition. The boot code is changed to point to the boot loader in Ubuntu. You will be presented with a list of operating systems and you can choose one to boot. If you do nothing the first option will boot after a ten second countdown. If you select Windows then GRUB or LILO will chain- load Windows for you at the Windows boot sector, which is the first sector of the Windows partition. Windows Vista no longer utilizes boot. Instead, Vista stores all data for its new boot manager in a boot folder. Windows Vista ships with an command line utility called bcdedit. You may want to read http: //go. Link. Id=1. 12. 15. Using a command line utility always has its learning curve, so a more productive and better job can be done with a free utility called Easy. BCD, developed and mastered during the times of Vista Beta. Easy. BCD is very user friendly and many Vista users highly recommend it. Installing Windows After Ubuntu. There are two different approaches: Recovering GRUB after reinstalling Windows. Please refer to the Reinstalling GRUB2 guide. Master Boot Record backup and replacement. This method does not work for computers with UEFI boot. In consequence, it won't work for pre- installed Windows 8 and some pre- installed with Windows 7. Back- up the existing MBR, install Windows, replace your backup overwriting the Windows boot code: Create an NTFS partition for Windows (using fdisk, GParted or whatever tool you are familiar with) Backup the MBR e. Install Windows Boot into a Live. CDMount your root partition in the Live. CD Restore the MBR e. Restart and Ubuntu will boot Setup GRUB to boot Windows Also see.
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