Question about SanDisk 4GB Secure Digital High Capacity Memory Card

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Sd memory card

I just bought a 4G sd card for my camera and it works fine in the camera bt the computer does not when I try to open an error message comes up "request could not be preformed because of an I/O device errow". Can I get some help on this?

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  • Anonymous May 02, 2009

    my camera responds to 2GB card but not to 4GB (A620)

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  • 210 Answers

Yep, most older devices don't support SDHC in 4Gb or more. My camera didn't when I got my card, and I needed a firmware update for it.

As for your computer, if you're sticking it in a memory-card reader slot, it probably doesn't support it either! =-[

Your best (and cheapest) alternative is to buy a USB card reader that supports SDHC cards. I doubt you could get a firmware update for your existing card-reader, but it's certainly worth a try anyway!

Posted on Aug 22, 2008

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Hello

OK, if the memory card itself is locked, you might sometimes get this error code. All you need to do is to take out the memory card and switch the lever on the left side to the unlock.

6c99e31.jpg

If the error is still displayed after you did the above, you might want to try the card in another camera.

If the card works in another camera . the problem is with your card reader in your camera.

If you open you sd slot and look inside with a sharp light , you should be able to see on the left side of the slot there is a little copper or spring steel lever switch. This switch work as follows:

1. When no card is inserted / no write protection , the switch is open and thus the protection is off.
2. When locked card is inserted , the tab is depressed and tells the camera that the card is lock.

Contrary to popular belief ,the little tab on the sd card is not an electronic switch and does not physically influence the card operation itself. If you put a locked card into a camera without a sd lock switch , you would still be able to use the card normally.

It is incredible difficult to fix this switch because of space limitations in the sd card. Look into the sd slot and if you can see the switch , use a needle to pull the little tab down toward the base of the camera by about 2mm or until it works being careful not to bend it.

If this does not resolve your problem , there might be a short in the switch circuit and the camera will need to be disassembled to resolve this error. This should cost no more than $50.

Please feel free to contact me if you need further information

Kind regards
Andrea

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If the card is intended for your digital camera then try to format it in the camera itself. DO NOT format it in the computer if it's meant for the camera. If it isn't intended to be used in a camera then you could possible attempt a format in the computer. These cards usually arrive ready formatted which makes me think there is a possile fault with the card itself. But try the format routine and see how you go. I know it's new but it is possible a small amount of grease or dirt could have accumulated on the gold connections. Rub these with a small piece of printing paper to clean them up (printer paper is very abrasive and makes a great electrical contact cleaner)

If you have no luck then a trip to where you bought it and see if you can get a replacement.

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