Hi, I am very sorry to here that you are having this problem. It seems that the problem may be with the laptop itself. Just double check that the drivers are update and that the card is inserted the right way round. Failing this, try the card in another device to insure it is working. Let us know how you get on.
answered 1 year, 1 month ago
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Where to find serial number for Samsung 4GB Plus SDHC class 6 card?
Is it on the card itself, or is it the number on the packet just below the barcode?