The solution: If you go to the partition map and click the “Options” button, you’ll be able to select which scheme to use for the boot records.
The problem: When you try to reformat in Disk Utility, you’ll get a very cryptic error that says that there was an unknown error with the partition map. Of course, if you are using it with a Mac, then you’ll want to reformat it using Mac OS Extended (HFS+). When you buy a Western Digital (WD) 1 TB My Book External Hard Drive, they usually come formatted for Windows using FAT32.
Find an external hard drive with RAID for data protection, backup software or super-fast USB 3.0 and Thunderbolt technology to back up photos and digital media. Now either because of time, corruption or because it may. But unfortunately it bit the dust and I decided to get a PC.
I have a Lacie d2 Quadra 1tb External Hard Drive.