Lenovo ThinkPad R50 Hardware Maintenance Manual (HMM) - Page 53

Indicator, Meaning, Green, Blinking, green, Orange, orange

Page 53 highlights

Product overview Indicator 1 Wireless status 2 Bluetooth wireless status R 3 Num lock 5 Caps lock 5 Drive in use Meaning 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. Green: Bluetooth wireless feature is operational. This indicator is on when Bluetooth wireless feature is on and not in suspend mode. 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. Green: Caps Lock mode is enabled. To enable or disable Caps Lock mode, press the Caps Lock key. Green: Data is being read from or written to the hard disk drive, the diskette drive, or the drive in the Ultrabay Enhanced device. When this indicator is on, do not put the computer into standby mode or turn off the computer. 6 Power-on 7 Battery status Note: Do not move the system while the green drive-in-use light is on. Sudden physical shock could cause drive errors. Green: The computer is on and ready to use. This indicator stays lit whenever the computer is on and is not in standby mode. Green: The battery is in use and has enough power. The ac adapter has charged the battery completely. Blinking green: The battery is being charged, but still has enough power to operate. (At regular intervals, the indicator light turns off briefly.) Orange: The battery is being charged, but the battery power is still low. Blinking orange: The battery needs to be charged. When the indicator starts blinking orange, the computer beeps three times. (continued) ThinkPad R50/R50p and R51 Series 49

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Indicator
Meaning
±1²
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.
±2²
Bluetooth
wireless
status
R
Green:
Bluetooth
wireless
feature
is
operational.
This
indicator
is
on
when
Bluetooth
wireless
feature
is
on
and
not
in
suspend
mode.
±3²
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.
±5²
Caps
lock
Green:
Caps
Lock
mode
is
enabled.
To
enable
or
disable
Caps
Lock
mode,
press
the
Caps
Lock
key.
±5²
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
Enhanced
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.
±6²
Power-on
Green:
The
computer
is
on
and
ready
to
use.
This
indicator
stays
lit
whenever
the
computer
is
on
and
is
not
in
standby
mode.
±7²
Battery
status
Green:
The
battery
is
in
use
and
has
enough
power.
The
ac
adapter
has
charged
the
battery
completely.
Blinking
green:
The
battery
is
being
charged,
but
still
has
enough
power
to
operate.
(At
regular
intervals,
the
indicator
light
turns
off
briefly.)
Orange:
The
battery
is
being
charged,
but
the
battery
power
is
still
low.
Blinking
orange:
The
battery
needs
to
be
charged.
When
the
indicator
starts
blinking
orange,
the
computer
beeps
three
times.
(continued)
Product
overview
ThinkPad
R50/R50p
and
R51
Series
49