Status indicators

The system status indicators show the status of the computer, as follows:

10

9

8

7

6

1

2

3

4

5

Table 8. Status indicators

Indicator

Meaning

 

 

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.

 

 

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.

 

Note: Do not move the system while the green drive-in-use light

 

is on. Sudden physical shock could cause drive errors.

 

 

Media Card

A card in the 7-in-1 Media Card Reader is being used to read and

Reader

write data. When this indicator is blinking, do not put the

 

computer into sleep mode, remove the card from the slot, or turn

 

off the computer.

 

 

Numeric lock

The numeric keypad on the keyboard is enabled. To enable or

 

disable the keypad, press and hold the Shift key or Fn key, and

 

press the NumLk (Delete) key.

 

 

CapsLock

CapsLock mode is enabled. You can enter all alphabetic

 

characters (A-Z) in uppercase without pressing the Shift key. To

 

enable or disable CapsLock mode, press and hold the Shift key,

 

and press the CapsLock key.

 

 

52ThinkPad SL300 Hardware Maintenance Manual

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Lenovo SL300 manual Status indicators, Indicator Meaning