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Table 7. Status indicators
Indicator Meaning
1
Speaker mute
indicator
Orange: The speaker is on mute. To mute or unmute the speakers, press the
speaker mute button.
2
Microphone mute
indicator
Orange: The microphone is on mute. By default, when the microphone is on mute,
none of the recording devices is available.
3
Wireless LAN, WAN,
or Bluetooth status
indicator
Green: The wireless LAN feature (the IEEE 802.11 b/g standard, 802.11 a/b/g, or
802.11n), wireless WAN feature, or Bluetooth feature is on.
Blinking green: Data is being transmitted.
4
Device access
status indicator
Blinking green: Data is being read from or written to the hard disk drive, the solid
state drive, or the device in the Serial Ultrabay™ Enhanced bay.
5
Power-on indicator
Green: The computer is on and ready to use. This indicator stays lit whenever the
computer is on and is not in sleep mode.
Slow blinking green: The computer is in sleep mode.
Fast blinking green: The computer is entering sleep mode or hibernation mode, or
is resuming normal operation.
6
Serial Ultrabay
Enhanced device
status indicator
Green: A Serial Ultrabay Enhanced device is installed and in use.
Blinking green: A Serial Ultrabay Enhanced device is being detached.
Off: A Serial Ultrabay Enhanced device is ready to be attached or detached.
7
Fingerprint reader
status indicator
Green: The ngerprint reader is ready to take ngerprint.
Blinking green once: The ngerprint is being authenticated or has been
authenticated.
Blinking green: The ngerprint reader is ready take ngerprint in power-on
authentication state.
Blinking amber: The ngerprint could not be authenticated.
Steady amber for 15 seconds: The power-on authentication feature is going to be
disabled after three bad ngerprint swipes.
8
Color sensor status
indicator
Green: The display color calibration has completed. When the computer lid opens,
the indicator turns off.
Blinking green: Display colors are being calibrated.
9
Battery status
indicator
Green: The battery charge level is 80% or more.
Blinking green: The battery charge level is between 20% and 80%, and charging is
continuing. When the battery charge level reaches 80%, the battery status indicator
stops blinking, but the charging might continue until the battery is 100% charged.
Slow blinking orange: The battery charge level is between 5% and 20%.
Quick blinking orange (0.5 second off every 1.5 seconds): The battery charge
level is 5% or less.
Fast blinking orange (0.25 second off every 0.5 second): An error has occurred
with the battery.
Off: The battery is fully charged or detached, or the computer is powered off.
50 Hardware Maintenance Manual