Every SD card should have a write protect switch located on the right edge, about 5mm from the top of the card. In order to unlock the card slide the switch upwards.
Note that with Mini SD and Micro SD (Transflash) these switches are not present. The card is always unlocked. A switch may however be present on an SD card adapter.
Because of the position of the switch they can often be switched accidentally on inserting or removing the card.
The card itself should have a little slide feature on the edge to protect from accidental deletion. Move the slide feature forward or backward whichever is the case to lock or unlock "write-protect"
in the adapter u insert ur memory card in,there's a grey button that says (lock) and it has an arrow pointing down,u should unlock it and press it upwards and the memory card won't be write-protected anymore
What you do is you take your memory card out of the camera. Go to the left side of the card and if you see a little grey bit and slide it upwards then put the memory back in camera and it should work.
take the memory card out of the camera and push the little yellow lock upwards to unlock it.
The USB memory card reader can be responsible for write protecting the SD memory cards through its Lock switch.
There should be a small lock button on the side of the memory card. Its probably locked.
Look on the side of the memory stickYou will find a little switch called LockPush the switch to the lock positionNow your Memory Stick is write protected
The LED indicator on USB memory card readers does not monitor the read and write activities but the Lock switch.
u'll find a tab or slider on that removable disk (a memory card for example) it will be write protected if that slider or tab thingy is pointing towards the lock side...if u don't find such thing reply back ;)
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If the switch becomes broken or falls off then the card will become a write-protected ROM card and no longer be writable. A possible troubleshooting solution would be to apply tape over the notched area (avoiding the connectors and the other notch) to configure the card in a permanent writable state."
switch from lock to unlock
Yes, the USB memory card readers lock switch can prevent any unnecessary writes to the SD memory cards.
On the side of the memory card (depending on the type of memory card) there should be a little switch which says 'lock and points' downwards on the slide that switches the opposite way. If the switch (A physical switch) is not on the side of the memory card is will be on the side of the memory card adaptor. (The one you use to access files from your memory card on your computer).