Lenovo ThinkPad T420si Hardware Maintenance Manual - Page 65

Indicator, Meaning, Windows XP status

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Table 7. Status indicators (continued) Indicator Meaning 10 Sleep (standby for Windows XP) status Green: Blinking green: The computer is in sleep (standby) mode. The computer is entering sleep (standby) mode or hibernation mode, or is resuming normal operation. 11 Battery status Green: Orange: Fast blinking orange: Slow blinking orange: Slow blinking green: The battery charge level is 20% or higher. The battery charge level is between 5% and 20%. The battery charge level is lower than 5% . The battery is being charged. When it reaches 20%, the blinking color changes to green. The battery charge level is between 20% and 80%, and charging is continuing. When the battery reaches 80% charge, the battery status indicator stops blinking, but the charging may continue until the battery is 100% charged. Quick blinking orange: The battery status indicator blinks three times: The battery status indicator is off: Note: If the computer is operating on battery power, the battery status indicator does not work while the computer is turned off or is in sleep (standby) mode or hibernation mode. An error occurred in the battery. The ac power adapter is attached to the computer. The battery pack of the computer is fully charged or detached. Chapter 5. Status indicators 59

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Table 7. Status indicators (continued)
Indicator
Meaning
10
Sleep (standby for
Windows XP) status
Green:
The computer is in sleep (standby) mode.
Blinking
green:
The computer is entering sleep (standby) mode or hibernation mode,
or is resuming normal operation.
11
Battery status
Green:
The battery charge level is 20% or higher.
Orange:
The battery charge level is between 5% and 20%.
Fast blinking
orange:
The battery charge level is lower than 5% .
Slow blinking
orange:
The battery is being charged. When it reaches 20%, the
blinking color changes to green.
Slow blinking
green:
The battery charge level is between 20% and 80%, and
charging is continuing. When the battery reaches 80% charge,
the battery status indicator stops blinking, but the charging
may continue until the battery is 100% charged.
Note:
If the computer is operating on battery power, the
battery status indicator does not work while the computer is
turned off or is in sleep (standby) mode or hibernation mode.
Quick blinking
orange:
An error occurred in the battery.
The battery status
indicator blinks
three times:
The ac power adapter is attached to the computer.
The battery status
indicator is off:
The battery pack of the computer is fully charged or detached.
Chapter 5
.
Status indicators
59