PORTÉGÉ M750

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

Main Battery fully

• Operates

• No charge

connected

charged

• No charge

• LED: Battery green

 

 

• LED: Battery green

DC IN green

 

 

DC IN green

 

 

 

 

 

 

Main Battery

• Operates

• Quick charge *1

 

partially charged

• Charge *1

• LED: Battery orange

 

or no charge

• LED:Battery orange

DC IN green

 

 

 

 

DC IN green

 

 

 

 

 

 

No Main battery

• Operates

• No charge

 

installed

• No charge

• LED: Battery off

 

 

• LED: Battery off

DC IN green

 

 

DC IN green

 

 

 

 

 

User’s Manual

6-1