Western Digital My Book Thunderbolt Duo User Manual page 31

If your device is configured as . . .
JBOD
16. Go to http://support.wdc.com
• 7 for information about downloading and restoring the WD software and disk image
• 8644 for information about returning the defective drive.
Important:
Do not disassemble the internal drive and attached assembly components.
Return the entire internal drive assembly intact to WD.
THEN . . .
a. Verify that the Finder listing and desktop icon
for the My Book Thunderbolt Duo drive that
you did not replace reappear.
The Finder listing and desktop icon for the
new/replacement drive do not appear
because you have to format it using the
WD Drive Utilities Drive Erase function.
b. If you have more than one supported device
connected to your computer, select the one
with the drive you replaced on the WD Drive
Utilities screen and click Drive Erase to
display the Drive Erase dialog.
c. Use the drive erase procedure in "Erasing the
Device Drives," starting at step 4 on page 17
to erase/reformat the replacement drive.
CAUTION!
check box for the replacement drive.
d. When the erase/reformat operation
completes, verify that the Finder listing and
desktop icon for replacement drive reappear.
Your replacement drive is ready to use.
and see Knowledge Base answer ID:
MY BOOK THUNDERBOLT DUO
USER MANUAL
Make sure you select the
REPLACING A DRIVE – 27