Exactly. Mac OS X wants you to eject the drive before unplugging it. Because you didn't eject it the last time you unplugged it, you'll get that message when you plug it in.
It sounds like there may be a problem with the drive, if it's not being properly detected. What format is the drive? You may want to check the drive with Disk Utility.
Exactly. Mac OS X wants you to eject the drive before unplugging it. Because you didn't eject it the last time you unplugged it, you'll get that message when you plug it in.
It sounds like there may be a problem with the drive, if it's not being properly detected. What format is the drive? You may want to check the drive with Disk Utility.
It sounds like there may be a problem with the drive, if it's not being properly detected. What format is the drive? You may want to check the drive with Disk Utility.