Western Digital BLACK 2 Installation Manual page 15

4. Click Continue to reboot, then press and hold the Mac keyboard option key
until the boot option screen appears.
Note: The System Reboot allows the Mac OSX to display the extended combined SSD
and HDD drive capacity.
5. Select the drive icon labeled with your "original drive name", to continue the boot
process.
After the system completes the reboot process, the following dialog box may
appear.
6. If the above dialog box appears, click Ignore. The drive will be initialized in a
subsequent step.
WD Black² Fusion and Dual Drive Configuration for Mac
SETTING UP THE WD BLACK² DRIVE
Installation Guide
11