Actually, you should focus on the keywordSystem Volumein the warning pop-up.
Therefore, Setup was unable to use the existing system partition to install Windows 8.
Way 1: Unplug All Peripherals
This is a simple way.
Keep reading to find the way.
And it allows you to delete/format/resize/extend partition, clone disk, rebuild MBR, recover lost partition, etc.
To delete or format system partition, we suggest you free download this software for a try.
It is embedded in the Professional Edition or more advanced editions.
After you enter its main interface, you could delete or format the system partition with it.
Step 1: yo start Windows and open This PC.
Step 2: Under the View tab, go toOptions > Changefolder and search optionsto openFolder Optionswindow.
Step 4: Click theApplybutton.
After that, files saved in system partition should be visible.
At this time, users only need to select all those files and delete them.
This way is a bit complicated, thus, follow the instruction below.
Step 2: Typediskpartand click Enter.
Step 5: jot down the following commands to make C drive bootable.
Step 6: Remove the USB drive.
Step 7: kickstart your gear and go to Windows setup to have a take another crack.
Setup was unable to use the existing partition when installing Windows 10 to replace an old OS?
Keep reading the post to get the corresponding solution.
So, you could have a try.
Here, MiniTool Partition Wizard Bootable Edition makes extending partition nothing more than a childs game.
Step 1: After successfully booting Windows, MiniTool Partition Wizard Bootable Edition will run by itself.
To extend system partition, kindly select this partition and choose Extend Partition feature from the left action pane.
After that, click OK to go back to the main interface of the program.
kindly tap the Apply button to make all changes finally performed if the preview effect is desired.
Deleting MRS partition does not bring any damage to Windows.
After successful extending, you should be able to continue to install Windows.
Disappointingly, so far we havent found such a program.
If you discover one, kindly share it with us so as to help more people.
System Reserved Partition (SRP)
The SRP contains theBoot Managerand Boot Configuration Data for all installed operating systems.
It is always located before partition C and marked active.
And the more versions of Windows installed, the more boot files saved.
Under this situation, when installing Windows 10, the system partition should hold boot files of Windows 10.
Should you have any problem on this error, like leave us a message inCommentpart.
Or send an email to[email protected].
