Disk Drive Format; Physical Description; Power/Activity Led - Western Digital My Book User Manual

Compatibility can vary, depending on hardware configuration and operating system.
For highest performance and reliability, always install the latest updates and service
pack (SP). For Windows computers, go to the Start menu and select Windows Update.
For Mac computers, go to the Apple menu and select Software Update.

Disk Drive Format

Your My Book drive is preformatted as a single NTFS partition for compatibility with all
updated Windows operating systems. If you want to use the drive with a Mac computer,
see "Reformatting the Drive" on page 54 and "Troubleshooting" on page 69.

Physical Description

As shown in Figure 2, the My Book drive has:
• A power/activity indicator on the front
• The power connector and button, interface port, and a security slot on the back
Figure 2. My Book Drive

Power/Activity LED

The power/activity LED shows the drive's power state and activity as follows:
LED Appearance
On steady
Fast flashing, approximately 3 times per second
Slow flashing, approximately every 2.5 seconds
USB 3.0
Power/Activity LED
Power Connector
Power State/Activity
Idle
Activity
System standby
MY BOOK
USER MANUAL
Power Button
Security Slot
ABOUT YOUR WD DRIVE – 3