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About the Indicator Lights
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About the Indicator Lights
Indicator Function
Power Turns on when the power to the computer is on, blinks in
Standby mode, and turns off when the computer is in Hibernate
mode or off.
Battery Turns on when the computer is using battery power, blinks
when the battery is running out of power, double-blinks when
the battery is charging.
Optical Drive Turns on when data is read from or written to the optical drive.
Do not enter Standby mode or turn off the computer when this
indicator is on.
Memory Stick® Turns on when data is read from or written to the Memory
Stick media. (Do not enter Standby mode or turn off the
computer when this indicator is on.) When the indicator is off,
the Memory Stick media is not being used.
Hard Disk Turns on when data is read from or written to the hard disk. Do
not enter Standby mode or turn off the computer when this
indicator is on.
Num Lock Press the Num Lock key to activate the numeric keypad. The
Num Lock indicator is on only while the numeric keypad is
active. Pressing the Num Lock key a second time deactivates
the numeric keypad.
Caps Lock Press the Caps Lock key to activate the Caps Lock indicator.
Letters appear in uppercase only while the indicator is on. If
you press Shift while the indicator is on, letters appear in
lowercase. Pressing the Caps Lock key a second time turns off
the indicator.