When files on a hard drive were originating from a MAC device and then moved to a Windows machine, the notice “Can’t read from source file or disk” appears.

A computer file system is a method of organizing, managing, and storing data on a local drive and provides a structure for files to be stored, retrieved, and manipulated.

Figure B The first time you access a VHD in a system image, you’ll need to use Disk Management. There are actually two VHD files, and you want to use the largest one.

I’ve been trying to find a company that can read these old 7-inch disks and convert their data into something a modern computer can read. What can I do? —Stanley Quanbeck, Lakeville, Minn.