Connecting a Power Source

To remove the battery pack

1Open the battery bay cover.

2Pull out the battery pack.

Removing the battery pack

3Close the cover of the battery bay.

You will lose data if you remove the battery pack while the computer is on and not connected to the AC adapter or if you remove the battery while the computer is in a power-saving mode

Notes on the battery

To determine the remaining battery charge, see “Displaying Battery Information” in the online manual “Customizing Your VAIO® Notebook”

When the battery power is running low, both the battery and power indicators blink.

When the computer is directly connected to AC power and has a battery pack in the battery bay, it uses power from the AC outlet.

See “Power Saving Modes” on page 77 for information on installing and charging a battery pack in the multipurpose bay.

Keep the battery pack in the computer while it is directly connected to AC power. The battery pack continues to charge while you are using the computer.

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Sony PCG-F640 manual To remove the battery pack, Removing the battery pack