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I have a laptop, Dell XPS 13, with a bitlocker partition that I want to shrink. I tried the usual shenanigans, disabling the page file, disabling hibernation file etc.

This stackoverflow question seemed to offer some solution; turn off the bitlocker encryption.

However I have the windows 10 home edition, bitlocker options are nowhere to be found. This is to say, Dell preinstalled some bitlocker partition I cannot decrypt => therefore I cannot resize it.

Gparted etc. are pretty useless as far as I know with fully encrypted paritions and I don't really know what to do anymore.

Besides just reinstalling Windows, is there anything else I can do to resize the partition ?

Community
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Work of Artiz
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  • So, you're saying that you've got Window 10 Home edition and you also have bitlocker??? Is it possible that you're mistaken about having Home edition or having a bitlocker protected volume? – egray Dec 10 '16 at 14:51
  • I'm sorry if I was being unclear, I have windows 10 home edition, and a bitlocker protected C drive. (aka Disk Management Notes that its "Bitlocker Encrypted") – Work of Artiz Dec 10 '16 at 14:54

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You can do it from the Windows PowerShell (using the command line), here is how:

https://answers.microsoft.com/en-us/windows/forum/windows_10-security/how-to-remove-bitlocker-encryption-in-windows-10/27ed49b6-0a67-4574-b31f-3e02a5f8f121?auth=1

AndresC
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    Consider adding some quoted reference to this answer supporting what you state in case the link ever dies so the answer content is still available that is currently only available via that link per your suggestion. Also, check out the ["Style guide for questions and answers"](https://meta.stackexchange.com/questions/18614/style-guide-for-questions-and-answers) to ensure you understand how to write the best Q&A you can. – Vomit IT - Chunky Mess Style Oct 21 '17 at 17:29
  • This worked on a Lenovo Carbon X1 – Pietro Battiston May 30 '19 at 06:13
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So... I have no idea how... but shrinking it suddenly worked ?

I have ran some defragementations using "Auslogics Disk Defrag", but that program didn't seem to do the trick. Other tools also didn't give the desired outcome, but now, after booting a couple of times again, it suddenly just worked.

Thanks for the effort everyone.

Work of Artiz
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  • I'm having this same problem but unfortunately "booting a couple of times" didn't make it suddenly work for me :( – Jon Deaton Oct 18 '17 at 00:09
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I have the same issue, it appears that Dell have pushed an image that is already encrypted. I had to go into bit locker and turn bit locker on. I then turned it off and it started decrypting the disk.

bozmanx
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    Your answer could be improved with additional supporting information. Please [edit] to add further details, such as citations or documentation, so that others can confirm that your answer is correct. You can find more information on how to write good answers [in the help center](/help/how-to-answer). – Community Jun 28 '23 at 06:51
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