Locating Frus And Crus - Lenovo 20JD Hardware Maintenance Manual

Table 5. Status indicators
Indicator
1
Camera-status indicator
2
Fn Lock indicator
3
Speaker-mute indicator
4
Microphone-mute indicator
5
Caps Lock indicator
6
ac power-status indicator
7 8
System-status indicator

Locating FRUs and CRUs

This topic introduces the following service parts:
• "Major FRUs" on page 48
• "LCD FRUs" on page 50
• "Miscellaneous parts and other FRUs" on page 51
46
Hardware Maintenance Manual
Meaning
On: The camera is in use.
Off: The Fn Lock function is disabled. To initiate the special function of each key,
press the corresponding function key directly. To input F1- F12, press the Fn key
and the corresponding function key.
On: The Fn Lock function is enabled. To input F1- F12, press the corresponding
function key directly. To initiate the special function of each key, press the Fn key
and the corresponding function key.
On: The speakers are muted.
On: The microphones are muted.
On: The Caps Lock mode is enabled. You can type all alphabetic characters (A-
Z) in upper case directly.
This indicator shows the ac power and charging status of the computer.
• Green: connected to ac power (charging 90%–100%)
• Amber: connected to ac power (charging 1%–90%)
• Off: not connected to ac power (no charging)
• Blinks for three times: The computer is initially connected to power.
• On: The computer is on (in normal mode).
• Off: The computer is off or in hibernation mode.
• Blinks quickly: The computer is entering sleep or hibernation mode.
• Blinks slowly: The computer is in sleep mode.