1. Save your work.
2. Turn the computer's power off - ensure that the Power indicator is off.
3. Remove all cables and peripherals that are connected to the
computer.
4. Close the display panel and turn the computer upside down.
5. Slide the battery lock (1) into its unlock (
) position.
6. Slide and hold the battery release latch (2) to disengage the battery
pack and then remove it from the computer.
Figure 5-1 Releasing the battery pack (L770/L775/L770D/L775D)
1 2
3
3
1
2
1. Battery lock 3. Battery pack
2. Battery release latch
Installing the battery pack
To install a battery pack, follow the steps as detailed below:
Do not touch the battery release latch while holding the computer or the
battery pack might fall out due to the unintentional release of the battery
release latch and cause injuries.
1. Insert the battery pack as far as it will go into the computer.
2. Ensure that the battery pack is securely in place and the battery lock is
in its lock position.
3. Turn your computer over.
Power-up modes
The computer has three different power-up modes as follows:
Shut Down Mode: The computer will shut down without saving data -
in view of this you must always save your work before you turn the
computer off.
Hibernation Mode: Data in memory will be saved to the hard disk
drive.
Sleep Mode: Data will be maintained in the computer's memory.
Please refer to the sections Turning on the power and Turning off the
power in Chapter 1, Getting Started for further information.
C670/C670D/L770/L775/L770D/L775D
User's Manual 5-11