i put it on the wii and it said card not usable, i put it on my r4ds and it stays on the loading screen and i dont wanna buy another micro sd card
It sounds to me like your memory card is an SD High-Capacity (SDHC) memory card. The first generation of R4DS card readers do not support SDHC cards*. Also, the card reader on your Mac may not support SDHC cards. When SD cards first came out, they had a maximum capacity of 4GB. When that wasn't enough any more, the group that manages the SD format came out with a new standard: SDHC. SDHC looks the exact same, but is completely different internally. And the internal differences make SDHC incompatible with SD card readers. Newer SDHC capable card readers can read both SD and SDHC cards, but older SD card readers can't read new SDHC cards. To see if your memory cards is SDHC check the packaging or label. Then, check if your model of Mac and/or R4DS support SDHC. To see if it is just the card that is broken, go to a computer store and ask if they have a computer up and running that has an SDHC card reader. Stick in your card and see if it works. If it does, your card readers aren't SDHC compatible. If the card doesn't work in the computer store's computer, the memory card is most likely damaged and needs to be returned under warranty. I hope this helps. If you need more help, please add more details to this question, or feel free to email me through my Yahoo! Answers profile. Good luck.
first of all u will want a micro sd card reader plug that to the computing gadget by a usb cable connect it to the computing gadget.u do not want a cable for ure telephone basically the cardboard reader gadget which have a slot that ought to settle for or suits ure card then basically reproduction and paste from my computing gadget to the computer ure or everywhere contained in the computing gadget.