Chapter 5 Power And Power-Up Modes; Power Conditions - Toshiba U840W User Manual

Power and Power-Up Modes
The computer's power resources include the AC adaptor, battery pack and
any internal batteries. This chapter provides details on making the most
effective use of these resources, and includes information on charging
batteries, tips for saving battery power, and information on the different
power-up modes.

Power conditions

The computer's operating capability and battery charge status are affected
by different power conditions, including whether an AC adaptor is
connected and what the charge level is for that battery.
The LED in the table below refers to the DC IN/Battery indicator.
AC adaptor
connected
AC adaptor
not
connected
User's Manual
Battery fully
charged
Battery partially
charged or no
charge
Remaining
battery capacity
is above low
battery trigger
point
Remaining
battery capacity
is below low
battery trigger
point
Remaining
battery capacity
is exhausted
Chapter 5
Power on
• Operates
• No charge
• LED: white
• Operates
• Charge
• LED: amber
• Operates
• LED: off
• Operates
• LED: flashes
amber
Computer shuts
down
Power off
(no operation)
• No charge
• LED: white
• Quick charge
• LED: amber
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