Toshiba toshiba satellite l550/ satellite pro l550/ satellite l550d/ satellite pro l550d series

Chapter 6

Power and Power-up Modes

The computer's power resources include the AC adaptor and internal batteries. This chapter gives details on making the most effective use of these resources including charging and changing batteries, tips for saving battery power, and 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, whether a battery pack is installed and what the charge level is for that battery.

Table 6-1 Power conditions

		Power on	Power off
			(no operation)
AC	Battery fully	• Operates	• LED: Battery green
adaptor	charged	• LED: Battery green	DC IN green
connected		DC IN green
	Battery partially	• Operates	• Quick charge
	charged or no	• Quick Charge	• LED: Battery amber
	charge
		• LED: Battery amber	DC IN green
		DC IN green
	No battery	• Operates	• No charge
	installed	• No charge	• LED: Battery off
		• LED: Battery off	DC IN green
		DC IN green

User’s Manual 6-1