Indicator  Meaning 
3  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. 
4  Caps  lock
 
 
Green:  Caps  Lock  mode  is  enabled.  To 
enable  or  disable  Caps  Lock  mode, 
press  the  Caps  Lock  key. 
5  Drive  in 
use
 
 
Green:  Data  is  being  read  from  or  written 
to  the  hard  disk  drive,  or  the  drive 
in  the  Ultrabay  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  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. 
7  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. 
8  Standby 
status
 
 
Green:  The  computer  is  in  standby  mode. 
Blinking  green: 
The  computer  is  entering  standby 
mode  or  hibernation  mode,  or  is 
resuming  normal  operation. 
 
Product  overview  
54  MT  2369/2370/2371/2372/2382/2386