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2 Security keyhole
Your computer comes with a security keyhole. You can purchase a security cable and lock to t this keyhole.
Note: For some models, the security keyhole is at the right side of the computer.
3 Fan louvers (rear)
The internal fan and louvers enable air to circulate in the computer and cool the central processor.
Note: To avoid impeding airow, do not place any obstacle in front of the fan.
Status indicators
The status indicators show the current status of your computer.
System-status indicators
Your computer has system-status indicators. The following shows the location and the meaning of each
indicator:
1 Power On
The computer is on and ready to use. The power switch stays lit whenever the computer is on and is not
lit when the computer is in sleep (standby) mode.
2 Numeric lock
By default, when the numeric lock is on, the numeric lock indicator is displayed on the screen. To change the
settings of the numeric lock indicator, see “Changing display settings” on page 48
.
3 Device Access
A hard disk drive is being used to read or write data. When this indicator is blinking, do not put the
computer into sleep (standby) mode or turn it off.
4 CapsLock
Chapter 1. Product Overview 9