Question about SanDisk 2GB microSD Memory Card

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USB Write Protection Hi, I am trying to copy/delet files from/to a USB stick. window says: " The disk cannot be written to because it is write protected. Please remove the write protection from volume USB disk in Drive \Device\Harddisk1\DR4". The stick does`nt have a switch to lock or unlock the write protection. Please help me. My email, mykhel_zuniga@yahoo.com Thanks BEFORE I WAS ABLE TO COPY FILES TO MY MEMORY CARD, PHONE ETC. AND NOW WHEN I DO IT IT SAYS IT IS WRITE PROTECTED, DID I DO SOMETHING WRONG?

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  • venkateshgur Feb 22, 2009

    i canot format my usb device because its write protected how can i remove the write protected mode please help mae

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Put the memory card into the SD adaptor and turn the white switch on the left of the card in the opposite direction.

See if that will work.

You may have to turn your phone off and back on again as well after reinserting the card back into the phone.

Posted on Nov 19, 2008

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Hima

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I have transcend JF V30/4GB pen drive. Recently i am getting in the pen drive that i cannot do any format in the pen drive nor i cannot copy/delete the files in the pen drive. it was showing that...


Hello and Welcome to FixYa!
Kindly try this solution:
  • Connect the USB stick to another computer and copy all the data.
  • Download this file (click here) to that PC and format the USB stick using this program.
  • Now try to connect the USB stick to your ACER laptop and see if it works.
If you have any further queries, please do not hesitate to comment again. If this solution was helpful to you, kindly rate it.
Regards, Waqar.

May 22, 2011 | Transcend 4GB JetFlash 110 USB 2.0 Flash...

1 Answer

When trying to format,copy files into flash,deletinf files,i get the message "remove write protection". so how can i remeve it?


One of two things:
Either your flash drive/card has a hardware copy protect on it (usually in the form of a little tab) Just be sure that it is turned off.
Or
You've somehow managed to tick the "read only" box on your files. Highlight the files, right click, go to properties, and unclick the checkbox for "read only". This may have to be done as administrator.

I'm really opting for the first one, Most people don't realize that their card or stick has copy protection on it and wonder why they can't delete files.

If nothing else works, you can always use a software program called unlocker - http://www.softpedia.com/get/System/System-Miscellaneous/Unlocker.shtml
It integrates into windows explorer and allows you to delete files in use, locked files, etc, etc.

May 11, 2011 | Transcend 4GB JetFlash 110 USB 2.0 Flash...

1 Answer

Device media is write protected


To disable writing access to USB drives and make all USB drives has only read-only access, follow these steps:
  1. Run Registry Editor (regedit).
  2. Navigate to the following registry key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control
  3. Create a New Key named as StorageDevicePolicies.
  4. Highlight StorageDevicePolicies, and then create a New DWORD (32-bit) Value named as WriteProtect.
  5. Double click on WriteProtect, and set its value data to 1. write-protect-usb.jpg
Once set, all users on the computer is now blocked and prevented from copying, transferring or writing any files, documents and data to the USB disk drives, without the need to restart or reboot computer. Any attempt to download or copy files to USB drive will return the following error message:
The disk is write protected.
The media is write-protected.
Remove the write protection or use another disk.
usb-removable-disk-write-protected.jpg To revert and remove the blocked write access to USB drivers, just delete the StorageDevicePolicies registry key, or delete the WriteProtect registry entry, or change the value data for WriteProtect to 0.
For user who doesn't want to manually editing the registry, simply download the following registry registration files to enable or disable the write protection (block writing attempt) to USB removable drive. Double click the .reg file unpacked from the .zip archive to merge the registry key entries.
Download DisableWriteToUSB.reg
Download EnableWriteToUSB.reg
The trick works in Windows XP SP2 and SP3, Windows Vista, Windows Server 2003 and 2008.

Feb 27, 2011 | Transcend 4GB JetFlash 110 USB 2.0 Flash...

1 Answer

When ever i try to copy a file on to my pendrive ,a file pops up saying that it is a write protected drive .how am i to remove this write protection?


try this one, hope it will work on your memory stick coz i tried this and i was able to format my write protected memory stick smile.gif

use a computer with XP OS.
right click 'my computer'
select 'manage'
then select 'disk management' to format ur memory stick. but sad to say, all data will be lost, am pretty sure you know it

Jun 10, 2010 | Transcend 4GB JetFlash 110 USB 2.0 Flash...

2 Answers

My memory stick is write protected...i cant add/delete files.


CHECK if it is not physically protected, a small button/switch might be on the stick!
THEN, try any other flash drive or memmory stick to locate the target problem (memorry stick, or usb port mulfunction or even security/driver issue).

PLUS, there are some programes that might protect flash drives, check if u have any, and uninstall them, and make sure u have deleted ther HIDDEN system files located on the stick!

gd luck.

Jan 01, 2010 | Memory Cards & USB Flash Drives

1 Answer

Deleting files but doesn't reflect more free space


This explains a lot of troubles with memory sticks.

file system on them just like your hard drive does. Most of these drives are small (<= 32 GB) so they use FAT16 as the file system type. FAT16 is an older file system and writes to the disk are simply done on demand. If the power to the machine is cut or the drive is simply yanked out during a write, this will result in incomplete data and possibly a corrupted file system on the drive. The "Safely Remove Hardware" bit calls for all programs accessing the drive to complete whatever reads/writes they need to as the drive will be removed. When all I/O is complete, the OS removes the drive from its list of usable drives and then pops up the bubble telling you it's safe to remove it.

If you formatted your memory card/USB stick yourself and put a journaled file system like NTFS, ext3, XFS, ZFS, HFS+ or ReiserFS, then the removal is different. All writes to the drive are first written to a journal, which is a temporary space on the drive. Once the data is written to the journal, then the data in the journal is written to its final location on the drive, overwriting the original data. Yanking out the drive will cause the following things to happen:

1. Yanking the drive out before the data has been completely written to the journal causes the original data on the drive to remain safe. The changed version of your file that was being written to the journal is lost as the FS sees that there is an incomplete write to the journal and flushes the journal the next time the drive is accessed.

2. Yanking the drive out after the data is written to the journal but before it can be completely written to the file system results in the partially-modified file in the file system being replaced with the good copy on the journal the next time the device is accessed. The user would never know that the final write never completed.

3. Yanking the drive out before any writes to the journal occur or after the data from the journal was successfully copied to the file system cause no issues as the drive is idle.

Safely removing a disk with a journaled file system causes the same actions as with the non-journaled file system but will also cause the disk to make sure that all of the journaled data has been written to disk successfully. Journaled file systems are more modern and much more reliable than non-journaled file systems. They still should be removed safely, but the consequences for not doing so are basically that it takes a longer time to access the disk upon the next access (due to journal-file comparison and flushes.)

The reason that journaled file systems do not commonly appear on UBS sticks or camera cards is because of Microsoft. Most people run Windows computers and Windows computers can only recognize FAT16/FAT32 and NTFS file systems out of the box. ext3 support can be easily added via a driver, but the other file systems require some external program to access (ReiserFS) or are completely unreadable in Windows (XFS, ZFS, possibly HFS+ as well.) NTFS isn't used on removable devices because it is covered by Microsoft patents while the FAT file systems are direct descendants of the original DOS file systems and are in the public domain. Device makers would have to pay MS a royalty fee for every device shipped if it was pre-formatted with NTFS. So the device makers have a few options:

1. Ship the drive with FAT formatting for free even though it's sub-optimal.

2. Ship the drive with NTFS formatting and pay MS $0.25 (IIRC) per unit shipped.

3. Ship the drive unformatted for free and require the user to format it on their computer, where they can format NTFS for free. This axes out-of-the-box working ability.

4. Ship the drive with ext3 for free and require that the users download the Windows ext3 IFS driver for free. This also axes out-of-the-box working ability and renders the device unusable on computers where the user doesn't have admin access to install the ext3 driver (work computers, public terminals.)

Most manufacturers want easy-to-use and cheap rather than good so they ship FAT-formatted drives. I leave mine formatted as FAT as cameras won't support anything but FAT16 and since I don't run Windows, I can r/w to FAT but basically only read from NTFS (write support is VERY limited.) I'd simply format my USB stick ext3 and be done with it, but I use my drive a lot on university computers and I highly doubt that the techs would install the ext3 drivers for me.

Sep 23, 2009 | SanDisk Cruzer Micro 8GB USB 2.0 Flash...

3 Answers

Write Protected Problem


Hi Sir myself piyush gajera sir i was used my pen drive from winxp to another os version. afterwards it gives me an error that disk is write protected. i tried to remove or format but again it gives me prob that it is write protected and not able to format. i used different solutions but unable to format or remove write protected. please help me. how can i remove this write protection. sir my email id is piyush_gajera147@yahoo.com kindly mail me as soon as possible. my Pen Drive is transced d33193. and it has no any stick to remove write protected. Thanks in advance. i have the same error while deleting or formating my pen drive My transcend 4GB pen drive when deliting data it ask to remove the write protection while formating the disk it shows write protected. when copying data it ask to remove the write protect

Jul 09, 2009 | PNY 2GB microSD Memory Card

9 Answers

Remove Write Protection


Try this,
1.
Check out if the USB drive has a small swich for write protection. If its there try toggling the switch.

2.
Windows can all write protect flash drives. Check out this registry path,

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDevicePolicies.

You may find a key here on the right side by the name 'WriteProtect'. If it's not there this would not be the cause of problem. If it's there, make sure that the value is 0.

Please let me know if this does'nt work.

Nov 06, 2008 | Transcend (589307) Media

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