A common reason for this happening is that some Mac's USB ports can't deliver enough current to run the drive. Have you tried it with a power supply or connected to a powered hub?
>USB > >OK, I can get the drive to recognize on someone else's Mac (running OS >10.4.11, same as mine). It still won't register on mine. > >A client gave me a Western Digital Passport external drive to copy file >to. It's formatted for Windows, & the files are on my laptop Mac. I >can't get the Mac to recognize the drive, much less re-format it for a >Mac. I can re-format on the PC, but still can't get the Mac to recognize >it. tia. ************************************************************************* ** List info, subscription management, list rules, archives, privacy ** ** policy, calmness, a member map, and more at http://www.cguys.org/ ** *************************************************************************
