Some card readers and cameras require driver software be installed. If previously installed, have you tried reinstalling it? On Jan 17, 2005, at 12:46 AM, Joe Dundovic wrote: > When I plug in either unit into a USB port I get the following warning: > > "This disk is unreadable by this computer. > Do you want to initialize the disk? > Format: Mac OS Standard 59.8 MB" > Regards, Wayne Clodfelter wayne at troutnc.com