Edit Article wiki How to Erase Ubuntu. Two Methods Removing Ubuntu when DualBooting with Windows Removing Ubuntu from a SingleBoot System Community QA. Will your computer not boot into Windows after installing an update on your dualboot or Wubi Ubuntu install Heres how you can get your Windows boot loader back. Im absolutely new to Linux. I would like to know how to install Ubuntu alongside the preinstalled Windows 8 OS. Should I do it with Wubi, or through the Live USBDVDF1. Del. Navigate to the Boot menu and select your CDDVD drive. Once youve selected it, save and reboot your computer. Open the command prompt. From the Recovery Discs main menu, select the Command Prompt option. If you are using an Installation Disc, select Repair your computer, which should open the Command Prompt. Fix your Master Boot Record. Performing this command will remove the dual boot option when you start your computer, and boot straight into Windows. Enter the following command at the Command Prompt bootrec fixmbr. Reboot your computer. When you reboot, you should not see the option to select Ubuntu. Instead, you will be taken directly into Windows. Open Disk Management. Once in Windows, its time to get rid of the old Ubuntu installation and reclaim the hard disk space. Press Start, and the right click on ComputerMy Computer. Select Manage and then click Disk Management in the left frame of the Computer Management window. Delete your Ubuntu partitions. Right click on your Ubuntu partitions and select Delete. Make sure that you are deleting the correct partition. Setup System Care 2 0 0 44000 here. Once the partition is deleted, it will become unallocated space. Right click on your Windows partition and select Extend partition. Select the free space just created to add it to your Windows installation.