Windows could not prepare the computer to boot into the next phase of installation (Solved)

Windows could not prepare the computer to boot into the next phase of installation

Moving Windows 7 to Windows 8   occur common error “Windows could not prepare the computer to boot into the next phase of installation”.  

I am sure if you are searching solution for “ computer to boot into the next phase of installation” this error then you tried installation of windows 10 on your computer or laptop. You must want to get rid of this error when trying to install or upgrade your windows 7 windows 8.1 and windows 10. This is common error for all windows because this error occurred due to not proper partition or system partition lost in drive to any miss activity by the system.

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This Error can be occurring with installations of Windows 7, Windows 8.1 and Windows 10. Here I am describing you how to fix “Windows 10 could not prepare the computer to boot into the next phase of installation”.

My computer was not booting with my installed windows 10 operating system because of boot file missing. So I tried re-installation of windows 10. I was just format existing partition and proceed to installation of windows 10.

All process going proper all option from following.

1. Copying Windows file – Done

2. Getting file ready for installation (100%) done

3. Installing feature Done

4. Installing feature

5. Finishing up

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Windows Installation Finishing up Error.

During Finishing up I was getting error “Windows could not prepare the computer to boot into the next phase of installation”.

This is common error occur during moving one windows to upgrade windows without

Deleting all hard disk partition and format windows partition properly.

If you also facing this error many time and fed up with installation process than just sit back and read below solution complete. Once you have follow this steps you will solved error “Windows could not prepare the computer to boot into the next phase of installation” without fighting many time.

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Solutions: “Windows could not prepare the computer to boot into the next phase of installation”

Before process this step please take complete backup of your hard drive. This steps can lose your backup saved or c,d,e and any drives. Without taking backup of your computer apply this solution at your own risk. Make sure you have taken all backup and make sure this data not  so important if you process without backup of hard drive.

Windows 10 installation Over Windows 7

Once you finished data backup work start again windows 10 installation as you done before. In this steps when you got option for “Which type of installation you want”  choose custom option  as shown below image.

Choose Custom (Advanced) option to go next steps.

Delete Hard disk partition during windows 10 Installation

This is the most important step to solve error “Windows could not prepare the computer to boot into the next phase of installation”. In these steps you have to delete all hard disk partition and recreate partition again before going next steps.

Note: deleting partition will lose all data saved on hard disk so make complete data backup before execute this step or do at your own risk.

How to delete Windows partition

To delete partition choose the partition one by one and click delete button as shown below image.

1: select partition you want to delete

2: press delete button to remove partition.

Once all partition deleted you will get single drive with “Drive 0 Unallocated Space”

Now you have to create partition again to install windows 10.

How to create Hard disk partition on Windows 10 during installation

After deleting partion you have to create partition again to enable installation steps for windows 10.

Choose the hard disk Space showing “Drive 0 Unallocated Space”  and click New button in setting menu showing below. You will get box to assign size for partition and apply button to apply setting.

1. Select hard disk partition

2. Click New button

3. Size- 1000 ( type size in MB- 1000MB=1GB)

4. Press Apply button to confirm partition.

You can create multiple partitions again re do same steps if you want to add more partition from unallocated partition.  You required System partition only to installation of windows logical partition you can also create after finishing windows installation.

Once you have done partition step now select Primary partition and click Next button to start windows installation.

1:- Select Primary partition

2:- Click Next to start installation.

Now wait to completing your windows installation 100% you will not get error “Windows could not prepare the computer to boot into the next phase of installation” now. These steps can be use for doing any windows installation if facing same error.

My Computer Not Showing All Drive

Once you have finish your windows installation you can create logical partition again or if you are only showing C drive in My computer than you have to format secondary partition to appear in my computer.

Right Click on MY computer or This PC on Windows 8 and 10

Now click Manage option

Now you get Computer Management panel

Now go to left side menu in second last Storage — Disk Management

Inside Disk management you will get hard disk all partition information

Now right click on partition showing unhealthy and press format button.

Do this step for all partition now showing in This PC or My computer.

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