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Windows 7: Sandisk flash drive won't delete

31 Aug 2015   #1
Darksky40

Windows 7 32 bit
 
 
Sandisk flash drive won't delete

I have Sandisk flash drives and I am having problem's deleting or Formating as it is says This Disk is protected how do I delete or Format please?


My System SpecsSystem Spec
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31 Aug 2015   #2
Pyprohly

Windows 10, Windows 8.1 Pro, Windows 7 Professional, OS X El Capitan
 
 

Hi Darksky,

Are you able to add or delete files from your SanDisk flash drive? Also, have you tried using an alternate machine to format your device?
My System SpecsSystem Spec
31 Aug 2015   #3
Darksky40

Windows 7 32 bit
 
 

I am able to add on to the Flash Drive but not delete and I have only one machine or access to one machine. I have also read on some instructions to the Scandisk something about Mac does that mean it needs a Mac computer as I have Windows 7? I am wanting to delete a few files or documents.
My System SpecsSystem Spec
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01 Sep 2015   #4
Pyprohly

Windows 10, Windows 8.1 Pro, Windows 7 Professional, OS X El Capitan
 
 

Hm. It's strange that you are able to write to the USB, but not delete from it.

Would you be able to state the filesystem type of your flash drive? And also, it would help if you could upload an image of the exact message you receive when deleting items from your flash drive.
My System SpecsSystem Spec
01 Sep 2015   #5
Pauly

Win7 Ultimate X64
 
 

HP do a nice low level format utility that works well on flash drives I have used it in the past on thumb drives that had ghost files on that wouldn't delete and it did the trick
My System SpecsSystem Spec
02 Sep 2015   #6
Darksky40

Windows 7 32 bit
 
 

Thank's for reply and these are the details of the flash drive SanDisk Cruzer Blade, Windows\system32\Drivers\disk.sys, File System FAT 32, 16 Kilobytes. The reason I can't delete or Format but would like to is it keep coming up with the message The disk is write Protected. a bit like the old floppy computer disks had small gap unless you stuck a piece a sticky tape to wipe over. But how do you delete or format the flash drive?
My System SpecsSystem Spec
03 Sep 2015   #7
Pyprohly

Windows 10, Windows 8.1 Pro, Windows 7 Professional, OS X El Capitan
 
 

If a disk is 'write protected' usually this means it has the read-only attribute set on it. The read-only attribute on a disk normally prevents you from both deleting and writing to the disk, which the ladder action contrasts to your situation, Darksky.

It may be worth a shot to try and remove any read-only attribute on your flash drive, if that's what's preventing you from formatting the disk.

Open an Elevated Command Prompt then copy, paste and run the below command line, substituting the red 'D' with the drive letter of your problematic disk.
Code:
net>NUL sess 2>&1&&(echo sel vol D &echo att dis clear readonly &echo att vol clear readonly)|diskpart||echo error

If the above doesn't work, Darksky, you'll have to use a low level format utility to format your flash drive as it's hard to tell what exactly is preventing you from formatting it.
My System SpecsSystem Spec
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 Sandisk flash drive won't delete




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