Format OS Drive

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I have Windows 10 on 2 of my drives but am having trouble erasing / formatting the one I dont need. Cant see any option in bios for format either.

any help?

 

[DoneADougalOnSofa]

Right-click My Computer (This PC on Win10), select Manage, then Disk Management.
You should be able to right-click the drive there and format it.

 

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doesnt work, "windows cannot format the system partition on this disk"

 

[Orcvader]

Did you install your recent copy of Windows 10 while both drives were connected?

 

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Did you install your recent copy of Windows 10 while both drives were connected?

yes

 

[koolpc]

It has probably put system files on the other drive!!

 

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anything i can do apart from fresh install?

 

[koolpc]

I dont know of any other way myself sorry

 

[Hyburnate]

diskpart should work

 

[wazza300]

format it in a spare pc if you can

 

[coupe69]

diskpart should work

This ^^

Find out which drive has your OS on and use diskpart to clean the other drive.

To do this open an elevated (admin) command prompt.

Type

diskpart

Type

lis dis

this will list the disks in your system.

Type

sel dis

and then the number of the disk you want to wipe. If you have 2 disks it will either be 0 or 1. So sel dis 0 or sel dis 1

Once you've selected the right disk type

cle

This will clean the selected disk and you should be able to format within Windows disk management.

 

[Hyburnate]

Ace ^ Someone who knows the commands off the top of their head, thats when I use the help feature

 

[coupe69]

Ace ^ Someone who knows the commands off the top of their head, thats when I use the help feature

I've used it too many times when preparing a drive for re-imaging

 

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cheers chaps. always rely on you lot.