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Windows 7: Problems with reformatting pen drives

26 Aug 2012   #1
Northerner

Windows 7 Home Premium 32bit.
 
 
Problems with reformatting pen drives

I purchased a new Verbatam 32gb mini pen drive with the intention of using it as a boot option for Ubuntu 12.04. Reformatted to NTFC and loaded Ubuntu on to it (27.01gb primary & 2.81 gb swap area), anyway proved too slow so I tried to delete each section and reformat back to fat 32. Problem is the delete option will not highlight to allow me to proceed, therefore I am stuck with an new unusable 32gb pen drive.Problems with reformatting pen drives-disc-drives.jpg

Any help please in rectifying the problem.

Regards.
Northerner




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26 Aug 2012   #2
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

Start/Computer/right click on the drive, in my case travel guide G and select format. Remove the pen drive when done.
Make sure you select the correct drive.
My System SpecsSystem Spec
26 Aug 2012   #3
Northerner

Windows 7 Home Premium 32bit.
 
 

Will not let me do this ?
Comes up "Unknown capacity", when I press form a message appears saying window unable to complete format.
Regards
Northerner
My System SpecsSystem Spec
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26 Aug 2012   #4
karlsnooks

MS Windows 7 Ultimate SP1 64-bit
 
 

Northener,

PREPARE UFD (USB FLASH DRIVE)

Run CMD.EXE as administrator
Type following commands and hit ENTER key after each command.
DISKPART starts the DiskPart program
LIST DISK shows numeral assigned to disks
note the numeral assigned to your usb stick
The numeral 2 will be used in this example
SELECT DISK 2
DETAIL DISK the info shown will confirm the correctness of your selection
CLEAN ALL the entire usb stick will be overwritten with zeros
CREATE PARTITION PRIMARY create a primary partition on the USB stick
FORMAT FS=NTFS format the partition
ACTIVE the partition can contain operating system startup files
ASSIGN the next available letter is assigned to the USB stick
EXIT exit from the DISKPART program
EXIT exit from the command shell
My System SpecsSystem Spec
26 Aug 2012   #5
Northerner

Windows 7 Home Premium 32bit.
 
 

Thanks, worked a treat.
Regards
Northerner (north of England).
My System SpecsSystem Spec
26 Aug 2012   #6
karlsnooks

MS Windows 7 Ultimate SP1 64-bit
 
 

Glad to be of assistance

Karl
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26 Aug 2012   #7
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

Just a though: If having to use the cmd prompt to defrag would doing a sfc /scannow allow my method post #2 to work. It's always worked for me. I just did one to verify. Just curious.
My System SpecsSystem Spec
26 Aug 2012   #8
slurp812

windows seven
 
 

Quote   Quote: Originally Posted by Northerner View Post
Will not let me do this ?
Comes up "Unknown capacity", when I press form a message appears saying window unable to complete format.
Regards
Northerner
If you are familiar with Linux, this is easy with a live CD distro, you can boot it up, and run Linux fdisk, and remove the partitions...
My System SpecsSystem Spec
26 Aug 2012   #9
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

Thanks for the replies. I'm not sure I understand but I will work on it.
My System SpecsSystem Spec
26 Aug 2012   #10
gregrocker

 

When formatted the stick (Disk2 below) had a Primary first partition and Logical second one.

So when it had the partitions deleted in Disk mgmt the first partition became (Primary) Unallocated Space, while the second partition became (Logical) Free Space.

You only need to delete the Logical Free space by right clicking on it again to Delete Volume. Then you can format the stick as desired.

Partition Wizard views both types of deleted space the same for all purposes,

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 Problems with reformatting pen drives




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