Sony PCG-GRV550 VAIO User Manual page 7

Inserting a battery
The battery that comes with your computer is not fully charged at the time of purchase.
To insert a battery
1.
Push the battery bay cover down to open it. The battery bay cover swings out but does not detach from the
computer.
Opening the Battery Bay
2. Slide the battery into the battery bay. If the computer is on, it automatically detects the battery.
Inserting a Battery
3.
Push the battery bay cover up until it clicks into place.
Some software programs and peripheral devices prevent the system from activating Hibernate mode when the battery is
low or the computer is running on AC power. To avoid loss of data when using battery power, you should save your data
frequently and manually activate a power management mode, such as Standby or Hibernate. See
modes for more information.
Using power saving
Page 7