Sony PCG-C1MVMP - Manual (Page 16)

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16
Indicators
Indicator Function
Power Light is green when the power to the computer is turned on,
flashes amber in Standby mode, and turns off when the computer
is in Hibernate mode or powered off.
Battery Indicates the status of the battery inserted in the computer.
Hard disk Lights when data is read from or written to the hard disk drive. Do
not enter Standby mode or turn off the computer when this
indicator light is on.