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Lexar USB 16 G stick will not reformat


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#1 smartjock99

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Posted 17 September 2014 - 12:31 PM

I have a Lexar 16gigabytes USB stick (for USB 2.0) that got corrupted somehow with a Write-Protected message. I have backed up all the data that was on the stick (nothing original was ever on it) and managed to delete the files on the stick.  However, it will not reformat, and it still gives me the write-protected message.  I've tried using the Lexar USB tool to reformat it, but it does not work.  Looking for options to repair this stick.

 

Thanks.



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#2 Aerys

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Posted 17 September 2014 - 01:19 PM

Whenever I have issues like these with USB drives, I try this out first, maybe it will help;

*This process will wipe anything on the drive*

Open an elevated command prompt (right click cmd.exe and run as administrator)

Type these commands

"diskpart"

"list disk"

"select disk #" The # refers to the USB drive, you should be able to see which is which based on the size listed

"clean"

"create partition primary"

"exit"

 

Can you try that and then format it and see if you get the same results?


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#3 smartjock99

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Posted 19 September 2014 - 06:42 PM

I tried that.  I get this message "DiskPart has encountered an error: The Media is write protected.  See the system event log for more information.



#4 JohnC_21

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Posted 19 September 2014 - 08:57 PM

If you do not have the same problem with another flash drive attached to the same computer, then this usually indicates a failed flash drive. Sandisk will set write protect in firmware if it detects enough read/write errors. Some flash drives will let you flash new firmware but I don't think this is the case with Lexar. If it is in the warranty period I would return it.






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