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1
Fn Lock indicator
The Fn Lock indicator shows the status of Fn Lock function. For more information, see “Special keys”
on page 21.
2
Speaker-mute indicator
When the speaker-mute indicator is on, the speakers are muted.
3
Microphone-mute indicator
When the microphone-mute indicator is on, the microphones are muted.
4
Camera-status indicator
When the camera-status indicator is on, the camera is in use.
5 6
System-status indicators
The illuminated dots, one in the ThinkPad logo on the outer lid of your computer and the other on the palm
rest, 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 fast:
The computer is entering hibernation mode.
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Summary of Contents for E550
Page 1: ...User Guide ThinkPad E550 E555 and E550c ...
Page 6: ...iv User Guide ...
Page 78: ...62 User Guide ...
Page 94: ...78 User Guide ...
Page 100: ...84 User Guide ...
Page 120: ...104 User Guide ...
Page 150: ...134 User Guide ...
Page 160: ...144 User Guide ...
Page 164: ...148 User Guide ...
Page 168: ...152 User Guide ...
Page 170: ...154 User Guide ...
Page 171: ......
Page 172: ......