1 GB = 1024 MB (mega bytes)
1 MB =1024 KB (kilobytes)
1 KB = 1024 bytes
1 GB = 1024*1024*1024 bytes
1 GB = 1073741824 bytes
But manufacturers count 1GB as 1000000000 bytes, so it's normal that a sd card which advertise being 4GB is in reality 3.7GB (4000000000 / 1024 / 1024 / 1024 = 3.72 GB).
SOURCE: Doesn't load
The reader may need re-iinstalling. or the port you are putting it in is incorrect,. try another stick to test the port or try the memory card in another PC to confirm the stick is OK
SOURCE: Formatting errors on 2 memory cards - old 1gb & new 4gb micro sd sandisk
http://www.sdcard.org/consumers/formatter/eula/
Go here follow the instructions to get a formatter program
SOURCE: pc not recognizing sandisk micro sd
The Card Reader you are using is probably not compatible with SDHC Memory Cards (High Capacity SD). You may need to get an SCHC compatible reader or check the website for your product to see if the is a driver update. You can get a new reader for about $20 bones if needed. I had the same issue.
SOURCE: how can i format my locked micro sd
my memory card wants password but i did not create password in my memory card.so my memory card is locked.how can i solve this problem?
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