Lenovo M4400s notebook - Manual (Page 20)

4 Speakers
To adjust the sound level of the built-in speakers, refer to “Function key combinations” on page 11.
5 Bottom slot cover
Protects the hard disk drive, memory modules, mini-PCI Express Card, and other components underneath.
Status indicators
This topic explains the meaning of each status indicator.
1 2
Figure 5. Status indicators
1 Device access status indicator
When this indicator is on, the hard disk drive is reading or writing data.
Attention:
• When the indicator is on, do not put the computer into sleep mode or turn off the computer.
• When the indicator is on, do not move the computer. Sudden physical shock might cause drive errors.
2 Power and battery status indicator
• Solid green: The battery charge level is between 80% and 100%, or the battery discharge level is
between 20% and 100%.
• Slow-blinking green: The battery charge level is between 20% and 80%, and charging is continuing.
• Slow-blinking orange: The battery charge level is between 5% and 20%, and charging is continuing.
• Solid orange: The battery discharge level is between 5% and 20%.
• Fast-blinking orange: The battery charge or discharge level is 5% or less.
• Off: The battery is detached or the computer is turned off.
6 User Guide