On Oct 18, 2005, at 4:58 PM, whshaw wrote: > Hello, > I have an eMac using OS 10.4.2. > I have an external WD HD that I use as a backup drive. > I decided today to erase it and start over with automatic backups > every week. I used the apple utility program. I set it to erase and > after erasing for a while the program stopped with a note > Volume erase failed with the error- Could not unmount disk. > This is a new one to me. How do I get around it? That means that you have open files from that drive. Reboot and go right into disk utility. --- James Paul Manley jpmanley at gmail.com