Sony PCG-V505BC - Manual (Page 27)

Turning On Your Computer
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3 Slide the UNLOCK/LOCK latch into the LOCK position to secure the
battery on the computer.
4 Connect the AC adapter to the computer. See “To connect the AC adapter.”
Once you connect the AC adapter to the computer, the battery begins to charge
whether the computer is on or off. The battery indicator
shows the battery
status. The indicator blinks as the battery charges. See “Powering Your
Computer” in your on-screen VAIO® Computer User Guide for more
information.
Inserting the Battery
Battery
Grooves