The memory capacity of the flash drive is irrelevant - you can attach 500 GB drives. Not sure why it would not be recognized - when you opened Disk Utility, did the drive show at all in the left column?
The memory capacity of the flash drive is irrelevant - you can attach 500 GB drives. Not sure why it would not be recognized - when you opened Disk Utility, did the drive show at all in the left column?