hi there, i've got a problem here when i copy files to local internal file system it can accept all files. but when i copy to sd card it won't accept certain files it just skips over them or stop responding or been disconnected. also when i delete the folder it will accept the files after. the sd card isn't disconnected. i thinks theirs some things wrong when i connect the tablet up to my pc and after disconnect it. some how between all that the sd card get's corrupt. or the os or files system something wrong there. my tablet is acer iconia 7 B1-730HD how come that my sd card on my tablet won't accept certain files? can some help me with this on why it does this?