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3–4 Startup Guide
Notebook Features
Keyboard and Drive Lights
Component Description
1 Caps lock light On: Caps lock is on.
2 Num lock light On: Num lock or the internal
keypad is on.
3 IDE (Integrated Drive
Electronics) light; also
referred to as hard
drive/optical drive activity
light
On: The internal hard drive or the
optical drive bay is being accessed.
4 Optical disk drive light On: The optical drive bay is being
accessed.
5 5-in-1 Memory Reader light
light (Select models.)
On: Memory Reader is accessing an
optional digital media card.