To remove the write protection, simply open your Start menu of your computer/laptop, and click on Run. Type in regedit and press Enter. This will open the registry editor. Double-click the WriteProtect key located in the right side pane and set the value to 0.
Write protect in flashdrive could mean chip problem if you cannot partition or reformat the usb drive..you can try usb low level format, partition application..be sure to back up files before doing so.
SOURCE: How to remove write protect on my usb flash drive?
LLFTOOL is a utility for low-level disk drive formatting,
also supports formatting of FLASH cards using a card-reader.
1. Download this tool:
http://dl.dropbox.com/u/4040651/LLFTOOL.EXE
2. Format flash drive
(WARNING: After running this low level format tool,
the whole USB flash disk surface will be fully erased.
Therefore, data restoration will be impossible after using this utility!)
SOURCE: how to remove write protect from a usb flash drive
this the great solution... try low level format..
1. plug ur usb
flash
2. run Formatter v2.9.0.9.exe
3. follow the instruction and
wait for the format (might take 5min for 4GB)
4. after complete, may
the small volume (about 2MB...here the solution
5. plug your usb
flash on other computer and format like regular (make sure u untick
quick format) and click on "restore device defaults" then click format
6.
now your usb flash drive was like a new one
>>>>DOWNLOAD
FORMATTER CLICK HERE <<<<
SOURCE: How to remove write protect on my usb flash drive
If you have a write-protected flash drive that you need to access, it can be difficult to change it to allow you access, especially if it is a security-optimized flash drive. However, there are a few practical steps you can take to change the write-protection on a flash drive.
#1
Check for a write-protection switch. This switch, when engaged, will lock the contents of the flash drive and is a very common security feature. It is generally located on the side of the flash drive, and has an "enabled" or "on" position, and an "off" position. Slide this into the "off" position.
#2
Override password security. If your flash drive has password security, but you have forgotten the code, you can try to override the security feature by going to the Start menu and selecting "Run." A dialogue box will pop up, into which you should type in the path to the file on the USB drive you want to access. Note: This only works on USB drives with very simple security. If the security is complex, this will not work.
#3
Format the flash drive. If nothing else works, you can always format your USB flash drive, which will set all your write protections back to default. From there, you can customize them however you want, but all your data will be lost. To format the flash drive, go to the My Computer, right-click your drive and select "Format." A status bar will pop up. Once the status bar disappears, you can change the write-protection settings on your flash drive without incident.
Hope this might help
Thanks
SOURCE: Genx usb flash 128 Mg
1.Look for a switch or button on the side of the micro SD card or adapter. It might have a lock/unlock symbol on it. 2.Move the switch to the "Unlocked" position to remove write protection. This position may also be labeled "R/W" for read/write. If you have no switch, continue to Step 3. 3.Download and install Sony EzRecover (see Resources for link) and attempt to use it to format the card (this will erase all content). If this doesn't work, try Step 4. 4.Delete and repartition the micro SD card using Windows XP. Select "Control Panel" > "Administrative Tools" > "Disk Management." Select the micro SD drive and click "Delete." Right-click on empty drive and select "New Partition."
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