How to fix unallocated Space (USB/PEN DRIVE/MEMORY CARD)

If you have a problem (unallocated space) with your pen drive or any other usb mass storage device then watch this video to fix that real quick.

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Thanks

[denislavmarinov]

you may want to type "clean" before "create partition primary" if you don't get the "DiskPart succeeded in creating the specified partition."

[yassirmaghnouj]

I was trying to fix my usb flash drive with any sort of programs, but it didn't work, then i gave up. It has been a couple months now and because i was bored i restarted trying to fix it. Now i come across this video and my usb stick is fixed in 2 minutes.
Thank you so much man, you're the best. You dont know how much this means to me.

[loganl]

Was skeptical at first but even 4 years later it still works it showed up as a 32 gb usb which was not true after doing this i finally have my 117 gb usb thank you

[daddydeadpool]

Fantastic video - i forgot this process after 25 years of computing.

[hoanghiep]

I can't do it. I have done many times as you do. But this is the result of " No usable free extent could be found. It may be that there is insufficient
free space to create a partition at the specified size and offset.... "
please help me..

[iamharish]

Thank you! It saved me a lot of time. I kind of destructed my 16 GB pendrive while trying to install Arch Linux on it persistently.

[TalkWithMachine]

when i tried hitting create primary partition is says:
DiskPart has encountered an error: The request failed due to a fatal device hardware error.
See the System Event Log for more information.

[saabturbo]

If you are getting the following error:
No usable free extent could be found. It may be that there is insufficient
free space to create a partition at the specified size and offset. Specify
different size and offset values or don't specify either to create the
maximum sized partition. It may be that the disk is partitioned using the MBR disk
partitioning format and the disk contains either 4 primary partitions, (no
more partitions may be created), or 3 primary partitions and one extended
partition, (only logical drives may be created).


use "clean" command before doing the "create partition primary", that worked for me.

[braylonemerson]

I typed in “create partition primary” and it popped up “diskpart has encountered an error: Data error (cyclic redundancy check). See the system event log for more information.”

[angelynnegalletes]

after i select disk 1
it shows this
"DiskPart has encountered an error: The system cannot find the file specified.
See the System Event Log for more information."

[hero]

Very fast and easy to follow. Thank you

[surendranath.s]

Hi,

i Got below error.
i gave clean command and did
it got partitioned.

PFB

DISKPART> list disk

Disk ### Status Size Free Dyn Gpt
--- ---
Disk 0 Online 465 GB 455 MB *
Disk 1 Online 1886 MB 0 B

DISKPART>

DISKPART>

DISKPART> select disk 1

Disk 1 is now the selected disk.

DISKPART> create partition primary

No usable free extent could be found. It may be that there is insufficient
free space to create a partition at the specified size and offset. Specify
different size and offset values or don't specify either to create the
maximum sized partition. It may be that the disk is partitioned using the MBR disk
partitioning format and the disk contains either 4 primary partitions, (no
more partitions may be created), or 3 primary partitions and one extended
partition, (only logical drives may be created).

DISKPART> create partition primary

No usable free extent could be found. It may be that there is insufficient
free space to create a partition at the specified size and offset. Specify
different size and offset values or don't specify either to create the
maximum sized partition. It may be that the disk is partitioned using the MBR disk
partitioning format and the disk contains either 4 primary partitions, (no
more partitions may be created), or 3 primary partitions and one extended
partition, (only logical drives may be created).

DISKPART>

DISKPART> create partition primary

No usable free extent could be found. It may be that there is insufficient
free space to create a partition at the specified size and offset. Specify
different size and offset values or don't specify either to create the
maximum sized partition. It may be that the disk is partitioned using the MBR disk
partitioning format and the disk contains either 4 primary partitions, (no
more partitions may be created), or 3 primary partitions and one extended
partition, (only logical drives may be created).

DISKPART>

DISKPART>

DISKPART>

DISKPART>

DISKPART> clean

DiskPart has encountered an error: Access is denied.
See the System Event Log for more information.

DISKPART>

DISKPART>

DISKPART>

DISKPART> create partition primary

DiskPart succeeded in creating the specified partition.

DISKPART>

DISKPART>

DISKPART>

[njgiants]

I flashed a n image from a 128gb SD card to a 256gb card on mac. now my 256gb card has shrunk to 128gb. any idea on how to get that extra space back without deleting anything?? thank you

[kingdomofgeorgia]

this is nice advise, but do we lose data if we do this operation?

[mattheadlee]

create partition primary gives DATA ERROR (CYCLIC REDUNDANCY CHECK)? Any help?

[MNFRAME]

this is the ONLY video on Youtube that works

[chrisingalls]

I was stuck until I saw where you said Select.. great vid..thanks Man

[raghubirjaiswal]

It worked. Thank you so much. You saved my new 128gb pendrive from going into waste box.

[FloridaJosh]

If I put for primary im not able to use on my playstation when I put the usb in it says not supported so is there a way I can switch the primary usb on my pc so it's capable to show on playstation?

[JustLookA]

Thanks man, this video is always a good reminder for when I mess up my pendrives.