Indicator
Meaning
1
Caps Lock indicator
When this indicator is on, you can type uppercase letters
by directly pressing the letter keys.
2
Fn Lock indicator
This indicator shows the status of Fn Lock function. For
more information, see Chapter 5 “Special keys” on page
43.
3
Speaker-mute indicator
When this indicator is on, the speakers are muted.
4
Microphone-mute indicator
When this indicator is on, the microphones are muted.
5
Camera status indicator
When this indicator is on, the camera is in use.
6 8
System status indicators
The indicator in the ThinkPad logo on the computer lid
and the indicator in the power button show the system
status of your computer.
•
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.
7
Fingerprint reader indicator
This indicator shows the status of fingerprint reader.
•
Off:
The fingerprint reader is not ready for tapping.
•
Solid white:
The fingerprint reader is ready for tapping.
•
Amber, blinking:
The fingerprint cannot be
authenticated.
9
ac power status indicator
This indicator shows the ac power and battery power
status of the computer.
•
White:
connected to ac power (battery power 90%–
100%)
•
Amber:
connected to ac power (battery power 0%–
90%)
•
Off:
not connected to ac power
48
X280 Hardware Maintenance Manual
Summary of Contents for 20KE
Page 1: ...X280 Hardware Maintenance Manual ...
Page 6: ...iv X280 Hardware Maintenance Manual ...
Page 11: ...DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information 5 ...
Page 12: ...6 X280 Hardware Maintenance Manual ...
Page 13: ...PERIGO PERIGO Chapter 1 Safety information 7 ...
Page 14: ...PERIGO PERIGO PERIGO PERIGO PERIGO 8 X280 Hardware Maintenance Manual ...
Page 15: ...PERIGO DANGER DANGER DANGER DANGER Chapter 1 Safety information 9 ...
Page 16: ...DANGER DANGER DANGER DANGER VORSICHT 10 X280 Hardware Maintenance Manual ...
Page 17: ...VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information 11 ...
Page 18: ...VORSICHT VORSICHT VORSICHT 12 X280 Hardware Maintenance Manual ...
Page 19: ...Chapter 1 Safety information 13 ...
Page 20: ...14 X280 Hardware Maintenance Manual ...
Page 21: ...Chapter 1 Safety information 15 ...
Page 22: ...16 X280 Hardware Maintenance Manual ...
Page 23: ...Chapter 1 Safety information 17 ...
Page 24: ...18 X280 Hardware Maintenance Manual ...
Page 25: ...Chapter 1 Safety information 19 ...
Page 26: ...20 X280 Hardware Maintenance Manual ...
Page 30: ...24 X280 Hardware Maintenance Manual ...
Page 36: ...30 X280 Hardware Maintenance Manual ...
Page 48: ...42 X280 Hardware Maintenance Manual ...
Page 56: ...Major FRUs a b c d 50 X280 Hardware Maintenance Manual ...
Page 103: ...Removal steps of the traditional camera LED cable Chapter 8 Removing or replacing a FRU 97 ...
Page 109: ......
Page 110: ...Part Number SP40P05788 Printed in 1P P N SP40P05788 1PSP40P05788 ...