How can I format my 8 GB Transcend flash disk that is write protected?

Sanjeewa Darshana July 18, 2012
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I have a 8 GB Transcend flash disk. The problem is, it’s write protected and I can not reformat.

  1. Dragon
    January 23, 2013 at 9:58 am

    1) Go to download center of the transcend,here is the link
    http://www.transcendusa.com/Support/DLCenter
    Type the model no. or part of model number you are looking for.
    example: JFV30(all alphabets in Caps )
    2) Choose other details like product type etc. and search for your product
    3)Then select the product which which is most similar to yours from search results
    4)Then download the mFormat utility. You will asked for serial no. if you dont have..enter this no. 1456784523
    5) Connect your pen drive
    6) run the mformat utility and select full format after full format your write protection will be removed. try twice or thrice if you can’t correct at first time.

  2. sanjay
    October 24, 2012 at 9:45 am

    I have a 8 GB Transcend flash disk. The problem is, it’s write protected and I can not reformat

  3. Wanderer
    October 13, 2012 at 4:05 am

    Thanks Alex! Jetflash Online Recovery works on JFV85 8gb :)))

  4. fred kisangi
    October 10, 2012 at 7:14 am

    transcend has not physical wite-protect lock but can saves docs

  5. vinod chavda
    October 8, 2012 at 2:36 pm

    my pen drive is write protected and it can not be copy any thing....cna not formate

  6. amin
    October 2, 2012 at 6:12 pm

    how can i format a write protected flash disk?

    • Dawn B.
      October 11, 2012 at 6:41 pm

      Do exactly what Shakirah Faleh Lai says & then when you go back to your normal computer settings go to computer<right click on the flash drive<Format<Restore device defaults<Start<OK. This will erase it and take your flash drive back to how it was originally when you purchased it.

  7. Sandeep
    September 18, 2012 at 2:13 pm

    thank u alan wade. it worked.

  8. jrasulev
    August 22, 2012 at 11:45 am

    Try this, in Windows XP - goto Start -> All Programs -> Accessories -> Command Prompt. This will open up a DOS window. Now type the name of your flashdrive followed by a colon, eg, mine was drive letter K so I type K:

    Now to list the directory, type DIR
    This will show your directory. At this point I left the DOS window open and went back into Windows and clicked on the drive in Explorer. The write protect error still came up, but after clicking a couple of times I could see and open the files on the drive.

    Anyway, once you're in DOS you should be able to copy any files you want to another drive using the DOS 'copy' or 'xcopy' commands, and format the drive from DOS also. eg, To copy all files and directories (except empty directories) from drive C to drive A, enter

    xcopy c: a: /s

    You can do a search on google to find other DOS commands

  9. rinzin
    August 10, 2012 at 3:30 pm

    my drive is in write protected one. im not being able to do with that drive. help me please

  10. ganesan
    August 1, 2012 at 9:55 am

    throw the pen drive to the dust bin...........

  11. Suman Acharya
    July 26, 2012 at 6:51 am

    if nothing works try low level format of your disk. here is a link from you can download a free hdd low level format tools...
    give it a try....
    http://hddguru.com/software/HDD-LLF-Low-Level-Format-Tool/

    and to be honest i also have a pendrive with write protection but no methods are working; even the registry editing and low level formatting.

  12. Susendeep Dutta
    July 21, 2012 at 5:04 pm

    mUSB fixer tool is also good for you -

    http://mhotspot.com/musbfixer/

  13. Alex
    July 21, 2012 at 9:09 am

    JetFlash Online Recovery help to your pen drive.
    http://www.transcend-info.com/support/DlCenter/DLSoftware.asp?ID=4

  14. imran
    July 21, 2012 at 6:33 am

    i have 8gb pen drive but when i formating its not formate error WINDOS CAN FORMATE so plz give me solution

  15. Dalsan
    July 20, 2012 at 1:51 am

    I had a similar problem with my 4GB Transcend flash drive because of either improper disconnect or somehow did not connect properly. I found the solution Alan gave to work without any problems.

  16. Deep Moteria
    July 19, 2012 at 5:12 am

    Try it on ubuntu, I think it will be done.

  17. ferdinan Sitohang
    July 19, 2012 at 2:27 am

    Please refer to this http://www.makeuseof.com/answers/format-write-protected-flash-drive/ as it is the same problem i think.

  18. Alan Wade
    July 18, 2012 at 5:12 pm

    1) Go to download center of the transcend,here is the link
    http://www.transcendusa.com/Support/DLCenter
    Type the model no. or part of model number you are looking for.
    example: JFV30(all alphabets in Caps )
    2) Choose other details like product type etc. and search for your product
    3)Then select the product which which is most similar to yours from search results
    4)Then download the mFormat utility. You will asked for serial no. if you dont have..enter this no. 1456784523
    5) Connect your pen drive
    6) run the mformat utility and select full format after full format your write protection will be removed. try twice or thrice if you can't correct at first time.

    • shiva
      August 29, 2012 at 5:42 am

      thank you it's working

    • Mohan
      September 27, 2012 at 10:57 am

      Thanks Alan Wade. It works perfectly :)

    • Abhi
      November 11, 2012 at 5:22 pm

      Thanx,
      its working.........

    • suresh
      November 21, 2012 at 2:34 pm

      i have checked with that application but not working

  19. Shakirah Faleh Lai
    July 18, 2012 at 2:20 pm

    1. Shutdown your machine, insert your Trandscend.
    2. Turn on computer and then press F8 key immediately to enter Advanced Boot Options then choose Safe Mode with Command Prompt.
    3. After loading files let say your drive letter is (G) for example then write as
    4. C:\windows\system32>G: and press enter
    5. G:\>format G: and press enter
    6. If ask you (Y/N) then press (Y) and press enter
    7. Now a full format will start which remove write protection from it you can format your flash disk later.

    • Dawn B.
      October 11, 2012 at 3:32 pm

      Thank you! This worked for me. I'm using a Sandisk.

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