IBM MT2378 Laptop User Manual


 
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
MT
2373/2374/2375/2376/2378/2379