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Windows 7: Need to erase a drive/unite drives on my SD card

11 Aug 2014   #11
jimbo45

Linux CENTOS 7 / various Windows OS'es and servers
 
 

Hi there

Do it THE EASY way --forget all this complex stuff.

1) as administrator run from Command mode DISKPART

2) LIST DISK say the SD card is DISK 3

3) SELECT DISK 3
4) CLEAN
5) CREATE PARTITION PRIMARY
6)FORMAT FS=FAT32 (or whatever- FAT/ NTFS) QUICK

EXIT

Job done --forget all those other complex methods.

Ensure though windows explorer or nothing else has the SD card open.

Cheers
jimbo


My System SpecsSystem Spec
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11 Aug 2014   #12
jumanji

Windows 7 Home Premium 32 bit
 
 

To be sure that there is no "dirty data" left - keeping in mind the card was used in an android phone and perhaps formatted in it -, do a cleanall and just not clean which wipes only the first 2048 sectors. I really cannot understand how complex it is just typing cleanall instead of clean.Then writing additional commands to format is even more complex . Forget about these complex instructions and format it as you will usually do.

An even easier method you can try given that you already have Partition Wizard installed on your system is to delete the volumes in Partition Wizard and format it. These partitioning utilities can usually see all volumes and you can never go wrong because it is GUI based.( My brain cells have recovered from the overload )
My System SpecsSystem Spec
11 Aug 2014   #13
Digdis

Windows 7 64 bits
 
 

First of all, thanks very much for your help. Much appreciated.
After trying everything you said (with diskpart cleanall), drive remains the same - 3.4GB. I'm starting to think that this SD card was always a 4GB one (really can't tell from what's written on it), and that the other drive I see is some sort of internal memory or something else that's exported by the phone. Another reason to think so is that the sum of both drive sizes is ~9GB, which is a pretty odd number.
Nevertheless, this has been very helpful to me in order to understand disk partitioning - something I thought I knew all about.
Cheers again,
D.
My System SpecsSystem Spec
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 Need to erase a drive/unite drives on my SD card




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