MY BOOK 3.0
USER MANUAL
ABOUT YOUR WD DRIVE – 5

Power Button

The My Book 3.0 automatically powers on and off with your computer.
To power down or disconnect the drive:
1. Right-click the Safely Remove H ardware icon in the Windows system tray and
select Safely Remov e Hardware. You may hear the drive power down before the
power LED turns off.
2. If you want to turn off the drive at this time, push the power button and hold it for four
seconds.
To power on the drive again, simply press the power button.

Power/Activity LED

The power/activity LED is on the lower front panel of the drive. It indicates the drive’s power
state and activity. The LED indicator functions as shown in the table below.

Drive Interface

Super-Speed USB (USB 3.0) supports data transfer rates up to 5 Gb/s. The My Book 3.0 is
backward-compatible with USB 2.0 but defaults to USB 2.0 speed of up to 480 Mb/s.
Connection to a USB 1.1 port transfers data at USB 1.1 speed of up to 12 Mb/s).

Kensington® Security Slot

For drive security, this drive is equipped with a Kensington security slot, which supports a
standard Kensington security cable (sold separately). For more information on the
Kensington security slot and available products, visit www.kensington.com.
WD Product Registration
Register your WD product to get the latest updates and special offers. You can easily
register your drive online at register.wdc.com.
Tools and Materials (kits with PCIe adapter card)
If your kit includes a PCIe Express adapter card, you will need the following for installation:
• Phillips head screwdriver
• Complete documentation for your computer system
Appearance Description
On steady Idle
Fast flashing (for approx. 3 times per second) Activity
Slow flashing (approx. every 2.5 second) System standby