Lenovo B475e Notebook - Manual (Page 44)

Optical drive
• 12.7 mm Rambo optical drive
Wireless feature
• Integrated wireless LAN
• 100/1000 Mbps Ethernet communication
Status indicators
This topic presents the system status indicators that show the status of the computer.
4 5 6
1 2 3
Table 1. Status indicators
Indicator Meaning
1 Caps Lock indicator White: When the indicator is on, the Caps Lock mode is enabled. You can type all
alphabetic characters (A-Z) in upper case directly.
2 Numeric Lock
indicator White: When the indicator is on, the numeric keypad is enabled. You can use the
keypad to type numbers quickly.
3 Device access
status indicator When this indicator is on, the hard disk drive or the optical 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.
4 Power on indicator • White: System is enabled.
• Blinking white: System is in sleep mode.
• Off: System is in hibernate mode or shut down.
38 Hardware Maintenance Manual