Windows 10: Your PC Couldn't start properly.

RecoveryYour PC couldn't start properlyA required device isn't connected or can't be accessed.Error code: 0xc000000fYou'll need to use recovery tools. If you don't have any installation mefia like a disc or USB device, contact your PC administrator or PC/Device manufacturer.Press Enter to try againPress F8 for Startup Settings-This issue began earlier this morning, it's been 6 hours and there are no changes. Even if I try to Press Enter and try again, it loads windows but blue screens before reaching the login screen saying Critical Process Died. Same applies to other Startup Settings, all n

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"We couldn`t create a new partition or locate an existing one."

Try this:

Before you get to that message, press SHIFT + F10 to open a command prompt.

Run diskpart.
At the diskpart prompt, run these commands:

list disk

At this point you should see the SSD as disk 0. If it has another disk number, use that number rather than "0" in the next command.

select disk 0
clean
exit (to exit from diskpart)
exit (to exit from the command prompt)





That should clear the contents of the disk. The entire disk space should then show up in Windows setup as "Unallocated Space" as in the screenshot below.

 

Trying to reinstall Win10

Do not download or use Restoro PC Repair Tool, just try the steps listed below that.

 

"We couldn`t create a new partition or locate an existing one."

Same as over here:

Error message: "We couldn`t create a new partition or locate an existing one." | Windows 10 Forums