Windows 10 How to remove unallocated partition in Windows

tck13

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Feb 12, 2016
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I have a laptop that I installed an ssd(had to swap the hdd and merge the ssd over) however whenever I do a cold boot I have to go into the bios in order to boot.

I'm assuming my issue lies with how many partitions I have and their order. I saw that I have an unallocated partition and Cannot delete it using the default partition manager. So I installed a third party partition app and to delete the partition, but I am unable to. I provide some screenshots to help with troubleshooting. Any help is much appreciated, I do not care about the contents on my ssd (recently formatted it) so all solutions welcome
 
Solution
You can't at least not in Windows. You might be able to move the partitions in a live Linux disc or USB with gparted, but it is risky to move them. The safest method would be to format the disk and reinstall Windows.
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I tried making the unallocated space a new simple volume, and when I do that and try to extend my C drive the extend is greyed out
 
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You can't at least not in Windows. You might be able to move the partitions in a live Linux disc or USB with gparted, but it is risky to move them. The safest method would be to format the disk and reinstall Windows.
 
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Solution
to reinstall, do I need a key? I imagine I would put windows 10 on a usb drive and then boot from that but i'm not sure what I need for authentication purposes
 
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You can get your key like so...
  • Open an elevated powershell prompt
  • Type $(Get-WmiObject -query 'select * from SoftwareLicensingService').OA3xOriginalProductKey
 
Last edited:
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Shouldn't be are you sure you typed the command exact? you could even copy and paste everything in bold

There was a missing 3 in the property name, fixed, but that wouldn't throw an invalid class exception
 
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formatted and reinstalled windows removing my unallocated space. but still from cold boot I get a default boot device missing
 
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