SanDisk Cruzer USB Thumb Drive 8GB "Write Protected"
Posted 28 January 2013 - 12:33 AM
I have a SanDisk Cruzer USB thumb drive and it will not let me delete files, format the disk, or do anything without an error message about being write protected. I've tried numerous ways to format this drive, with no success.
Thanks in advance -
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Posted 28 January 2013 - 08:02 PM
Posted 28 January 2013 - 08:05 PM
--no SecureAccess or any other software...nor read only attribute.
There are only 2 files on the disk, it was working fine....
Posted 28 January 2013 - 10:57 PM
1. Shutdown your computer or laptop
2. Insert USB Memory Stick into your laptop or Computer
3. Turn on computer and then immediately start pressing (F8) key then Advanced Boot Options screen will come up
4. Select Safe Mode with Command Prompt
5. After loading files if your USB Memory Stick drive letter is (G) for example then write as
6. C:\windows\system32>G: and press enter
7. G:\>format G: and press enter
8. If ask you (Y/N) then press (Y) and press enter
9. Now a full format will start which remove write protection from USB Memory Stick.
Needless to say you have to get the drive letter correct which is not necessarily G:! I could not take my PC offline to reboot so I could not try it. The "C:\windows\system32>G:" is not very clear. I assume that "C:\windows\system32>" is what first appears and then you type "G:" to change the prompt to G:\>. That is then followed by entering "format G:". Anyway, whatever works.
PS To be absolutely sure you have the correct drive letter, at the G:\> prompt, type dir and you should see a listing of the two files (or folder if that is where they are).
Edited by Nanobyte, 28 January 2013 - 11:11 PM.
Posted 29 January 2013 - 07:59 PM
--Any other ideas?
Posted 29 January 2013 - 08:09 PM
Edit: I took a look in the Sandisk forum. My impression from there is that the drives are at fault. They can come like yours straight out of the box. The Sandisk Guru swears it's user error but there are 15 pages of complaints just on one thread.
Edited by Nanobyte, 29 January 2013 - 09:47 PM.
Posted 29 January 2013 - 11:24 PM
I tried both of the flash drive testers, no luck....
Posted 30 January 2013 - 12:02 AM
Under poster "Phoenix"
"your best bet would be to erase the partition structure of the device and start again, best way to do it is this
Right Click My Computer
Select Disk Management
When it loads you'll see the different HDD''s, CD Drives and Flash Drives you have plugged in, find the 8GB Flash Drive you want to manipulate and Right Click on the area to the left of the device name in the bottom pane, you should see Delete Partition, do that until nothing is left, once done you can right click and create a partition, choose whether you want it to be FAT32 or NTFS then let it format the drive."
I couldn't figure out where to "right click on the area to the left of the device name in the bottom pane" ????
Posted 30 January 2013 - 01:50 PM
To be honest I don't think that is going to help but it's no effort to try. Repeating my opinion from reading the Sandisk forum, it seems to be a poor quality device. This write protection is active on some brand new drives, never been used. These days, 8GB drives are dirt cheap. I wouldn't even waste my time other than trying a few things. Perhaps for high speed 32GB and above.
Something I have not seen tried is to use a utility like Unlocker (or Malwarebytes' File Assassin) to try and release/delete the files.
Posted 30 January 2013 - 05:35 PM
Thanks for your help -
Posted 22 August 2013 - 01:20 PM
When you insert your drive, you may be prompted to scan the drive. Windows never found an issue with the drive, so I did not think anything of this scan prompt. You should take note when you see this scan drive prompt.
To get these files removed, you will need to use the "Safely Remove Hardware and Eject media”, located in the System Tray. I had to close out of all Windows Explorer windows before it would allow me to Eject My Sandisk. Older Sandisk Flash drives may get an error when you improperly ejected it. This error message may not have cleared for years.
Safely removing older Sandisk drives gets rid of the prompt as well.
Posted 22 August 2013 - 03:24 PM
Thanks for the tip. I tried what you suggested, but the drive still remains write protected and unusable...
Posted 22 November 2015 - 04:01 AM
give me suggestion
Posted 22 November 2015 - 09:15 PM
If the flash drive is a Sandisk, they will revert to write protection only if a write fault is detected in firmware. You may also have a USB flash drive that was flashed to make it seem as a larger capacity. Once the original capacity is reached the drive becomes write protected. These are usually sold on Ebay as high capacity drives for a very low price.
The best thing to do is copy your data to another flash drive or disk.
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