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First off, it is a lock switch. It is used to change the card's contents from read-only to modifiable.

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Q: Why do sd cards have a on off switch WHY?
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Related questions

How do you get your friends dsi application off his sd card and into your dsi?

just switch sd cards


What does the write protect switch do on SD memory cards?

The write protect switch on SD memory cards prevent your information from being written over.


Can you switch sd cards in a phone and still pay the same plan?

Of course. SD cards or MicroSD cards are just memory cards. Unless you are meaning sim cards, then that's a different story.


Will the USB memory card readers lock switch prevent any unnecessary writes to the SD memory cards?

Yes, the USB memory card readers lock switch can prevent any unnecessary writes to the SD memory cards.


How can you unwrite protect your Micro SD card?

This seems to be a common problem with SD cards, but the answer is surprisingly simple.SD cards tend to have a switch of some sort physicallyon the SD card.Look at an SD card (Just google it) if you look closely you can see a small white switch on the left side where the little bite out of it is.A Micro SD card also has a switch but I am not sure where it is. However it must be on the SD card, so just look closely and you'll find it.Hope this helps!


What is the function of SD cards?

the sd cards store your


Is the usb memory card reader responsible for write protecting the sd memory cards?

The USB memory card reader can be responsible for write protecting the SD memory cards through its Lock switch.


Will the sd memory cards write protect switch eventually come loose over time?

Yes, the write protect switch will eventually deteriorate after each use. Whenever they're deteriorated, it's advisable to replace the SD memory cards periodically. It's also not recommended to place any type of tape beside the SD cards faulty write protect switch because it could cause damage to the host devices.


What should you do to SD cards when the write protection switch is loose and slides easily?

You should replace it if the write protect switch is not working properly.


How do you remove card protect from your sd card for your vivitar 865hd?

all SD cards have a locking thing on the side so slide the switch in the other direction


Which companies make cheap SD cards?

The Alibaba company makes cheap SD cards from China. You can go to their website for a variety of different cheap SD cards. They also have SD cards for your tablet.


Why does your memory card have a lock on it lexar 128MB sd card?

ALL SD and SDHC cards are supplied with an integral switch to prevent accidental erasure of the data stored on it.