Status Indicators - Lenovo K4450 User Manual

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.
c b a
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