Indicator Meaning
5 Drive in
use
Green:
Data is being read from or written to the
hard disk drive, the diskette drive, or the
drive in the Ultrabay Slim device. When
this indicator is on, do not put the computer
into standby mode or turn off the computer.
Note:
Do not move the system while the
green drive-in-use light is on. Sudden physical
shock could cause drive errors.
6 Caps lock
Green:
Caps Lock mode is enabled. To enable or
disable Caps Lock mode, press the Caps
Lock key.
7 Num lock
Green:
The numeric keypad on the keyboard is
enabled. To enable or disable the keypad,
press and hold the Shift key, and press the
NumLk (ScrLk) key.
8 Bluetooth
status
R
Green:
Bluetooth wireless is operational. This
indicator is on when Bluetooth wireless is
on and not in suspend mode.
9 Wireless
status
Green:
The wireless feature (the IEEE 802.11
standard) is on, and the radio link is ready
for use.
Blinking green:
Data is being transmitted.
Product overview
52 T40/T40p, T41/T41p, T42/T42p
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