I have a 640GB external hard drive running on my iMac. A warning told me that Time Machine wasn't backing up so,foolishly, I unplugged the hard drive. Now the computer can't find it and tells me it will back when the hard drive is connected, which it is. The power light is lit. Can you help?
Answers & Comments
Kindly check the settings of the 640gb external hdd. maybe there is a conflict in it.