How to recover the Windows 10 MBR after w Linux install?



As an IT administrator, one of the most important tasks is to ensure that the systems they manage are kept running in optimal condition. One of the most important aspects of this job is to be able to restore or repair the Master Boot Record (MBR) of a computer running Windows 10. This is especially important in cases where the system has been damaged or corrupted due to an installation of Linux or other operating system, as the MBR can become corrupted or overwritten in the process. This article will provide an overview of how to recover the Windows 10 MBR after an installation of Linux.

The first step in recovering the Windows 10 MBR is to boot into a recovery environment. This can be done by inserting a Windows 10 installation media, such as a USB drive or DVD, and then selecting the “Repair Your Computer” option from the Windows Setup Menu. From here, select the “Troubleshoot” option, followed by “Advanced Options” and then “Command Prompt”.

Once in the command prompt, the first step is to determine the disk number of the Windows 10 installation. This can be done by entering the command “diskpart” and then typing “list disk”. This will display a list of all the disks connected to the computer and their respective disk numbers.

The next step is to select the Windows 10 disk by entering the “select disk” command followed by the disk number. After this, the command “list partition” can be used to display the partitions on the disk. The partition that contains the Windows 10 installation is usually the first partition listed, and the disk number is usually the same as the Windows 10 disk number.

Once the correct disk and partition have been identified, the command “active” can be used to set the partition as the active partition. This will allow the computer to boot from the Windows 10 installation.

The next step is to run the “bootrec” command. This will scan the disk for any Windows installations, and if it finds one, it will attempt to repair the MBR. If the bootrec command does not find a Windows installation, then the Windows 10 installation media can be used to repair the MBR.

To perform the repair, the command “bootsect /nt60” can be used, followed by the drive letter (e.g. “C:”) and the /mbr switch. This will attempt to repair the MBR, and if successful, the computer will now be able to boot into the Windows 10 installation.

In some cases, it may be necessary to reinstall the Windows 10 installation. This can be done by booting into the Windows 10 installation media and selecting the “Repair Your Computer” option from the Windows Setup Menu. From here, select “Troubleshoot” and then “Advanced Options”. From here, select “System Restore” and select a recent restore point to restore the system to a previous point in time.

If the MBR is still not functioning correctly after all of these steps, then it may be necessary to manually repair the MBR. This can be done by downloading a utility such as EasyBCD. This utility allows the user to manually repair the MBR by selecting the “Repair” option and then entering the correct information into the utility.

Recovering the Windows 10 MBR after an installation of Linux can be a daunting task. However, by following the steps outlined in this article, an IT administrator should be able to successfully recover the MBR and restore the Windows 10 installation.

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