Lenovo K4450 Laptop User Guide - Lenovo K4450 and K4450A - Page 20

Status indicators, Battery lock, Battery, Speakers, Bottom slot cover

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a Battery lock Keeps the battery secured in place. b Battery Use your computer with battery power whenever ac power is unavailable. c Battery latch Keeps the battery secured in place. d Speakers To adjust the sound level of the built-in speakers, see "Function key combinations" on page 10. e Bottom slot cover The hard disk drive, memory modules, and mini-PCI Express Card are placed underneath. Status indicators This topic describes the status indicators. Note: Your computer might look different from the following illustration. cba Figure 5. Status indicators a Active Protection System™ (APS) status indicator • Green: The Active Protection System program is enabled. • Off: The Active Protection System program is disabled. b Device access status indicator When this indicator is on, the hard disk drive is reading or writing data. 6 User Guide

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6
User Guide
Battery lock
Keeps the battery secured in place.
Battery
Use your computer with battery power whenever ac power is unavailable.
Battery latch
Keeps the battery secured in place.
Speakers
To adjust the sound level of the built-in speakers, see “Function key combinations” on page 10.
Bottom slot cover
The hard disk drive, memory modules, and mini-PCI Express Card are placed underneath.
Status indicators
This topic describes the status indicators.
Note:
Your computer might look different from the following illustration.
Figure 5. Status indicators
Active Protection System™ (APS) status indicator
•
Green:
The Active Protection System program is enabled.
•
Off:
The Active Protection System program is disabled.
Device access status indicator
When this indicator is on, the hard disk drive is reading or writing data.
a
b
c
d
e
c
b
a
a
b