Satellite P750/P755 Series

Chapter 6

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 and changing 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, whether a battery pack is installed and what the charge level is for that battery.

Table 6-1 Power conditions

 

 

Power onPower off (no operation)

 

 

 

 

AC adaptor

Battery fully

• Operates

• No charge

connected

charged

• No charge

• LED: Battery white

 

 

• LED: Battery white

DC IN white

 

 

DC IN white

 

 

 

 

 

 

Battery partially

• Operates

• Quick charge

 

charged or no

• Charge

• LED: Battery amber

 

charge

• LED: Battery amber

DC IN white

 

 

 

 

DC IN white

 

 

 

 

 

 

No battery

• Operates

• No charge

 

installed

• No charge

• LED: Battery off

 

 

• LED: Battery off

DC IN white

 

 

DC IN white

 

 

 

 

 

User’s Manual

6-1