How to replace Grub with default Windows Bootloader

Note that running this procedure could render any Linux partitions inaccessible.

Boot up into recovery, launch the Command Prompt and run the following command

BootRe.exe /fixmbr

The command should remove Grub and replace it with the Windows bootloader, so when you reboot it should go straight to Windows.

Issues installing or repairing Windows 10

Error : Windows could no prepare the computer to boot into the next phase of the installation
Notes : This happens right after you finish partitioning and installation never gets past 0%
Fix : Disconnect all drives except the drive you want to install Windows 10.  This includes laptops.

Issue : Can’t reach login screen
Notes : Can happen after an update, auto repair should fix it
Fix : Start up the computer normal and when it starts to load windows force shutdown the computer.  Repeat the process 2 times, on the third start up it will Automatically try to fix the issue.

Other Issues

Windows 10 seems to be a little weird when you have two installs on two different drives and your trying to repair one.  I have had issues when trying to repair one, or boot into safe mode.  Removing all other other drives seems to resolve most of the issues.

Issues with multiple drives with an install of Windows 10

  • Reset Drive resets the wrong drive
  • Boot into safemode doesn’t work

 

 

How to make a bootable Windows 10 Tech Preview thumb drive

  1. Format drive as NTFS.  You can do this by opening up your drive in Windows Explorer and right clicking on your drive and clicking format.  Make sure to back up any information you have on the drive as you will lose it during the format.
  2. Mount your Windows 10 Tech Preview iso with your favorite iso mounter
  3. Next open an elevated Command Prompt by clicking the start button, typing in cmd, and hitting the Ctrl +Shift + Enter keys all at once.
  4. In the Command Prompt type “F:” (change F to your mounted Windows 10 iso drive)
  5. now run the following commands
  6. cd BOOT
  7. bootsect.exe /NT60 G:

    Change “G” to your usb drives letter

  8. Copy all of the files from your mounted Windows 10 iso to your thumb drive.
  9. Eject thumb drive.
  10. Boot up your test machine from the drive and install Windows 10 Tech Preview.