Fujitsu NH570 User Guide

Page of 150
54 - Lithium ion Battery
Low Battery State 
When the battery is running low, a low battery notification message will appear. If you do not respond to 
the low battery message, the batteries will continue to discharge until they are too low to operate. When 
this happens, your LifeBook notebook will go into Sleep mode. There is no guarantee that your data will 
not be lost once the notebook reaches this point
.
Note that you can change the state in which the battery goes into Sleep mode in the Power properties of 
the Control Panel.
Dead Battery Suspend mode shows on the Status indicator just like the normal Sleep mode. Once your 
LifeBook notebook goes into Dead Battery Suspend mode you will be unable to resume operation until 
you provide a source of power from an AC adapter. Once you have provided power, you will need to press 
the Suspend/Resume button to resume operation. In the Dead Battery Suspend mode, your data can be 
maintained for some time, but if a power source is not provided promptly, the Power indicator will stop 
flashing and go out, meaning that you have lost the data that was not stored. Once you provide power, you 
can continue to use your LifeBook notebook while the adapter is charging the battery.
U
SING
 
HEAVY
 
CURRENT
 
DEVICES
 
SUCH
 
AS
 
THE
 DVD/CD-RW/CD-ROM 
DRIVE
 
MAY
 
PREVENT
 
CHARGING
 
COMPLETELY
.
O
NCE
 
THE
 
LOW
 
BATTERY
 
NOTIFICATION
 
MESSAGE
 
APPEARS
YOU
 
NEED
 
TO
 
SAVE
 
ALL
 
YOUR
 
ACTIVE
 
DATA
 
AND
 
PUT
 
YOUR
 L
IFE
B
OOK
 
NOTEBOOK
 
INTO
 S
TANDBY
 
MODE
 
UNTIL
 
YOU
 
CAN
 
PROVIDE
 
A
 
NEW
 
POWER
 
SOURCE
. Y
OU
 
SHOULD
 
PROVIDE
 
A
 
CHARGED
 
BATTERY
AN
 AC 
POWER
 
ADAPTER
OR
 A
UTO
/A
IRLINE
 
ADAPTER
 
AS
 
SOON
 
AS
 
POSSIBLE
.
 W
HEN
 
YOU
 
ARE
 
IN
 S
TANDBY
 
MODE
 
THERE
 
MUST
 
ALWAYS
 
BE
 
AT
 
LEAST
 
ONE
 
POWER
 
SOURCE
 
ACTIVE
. I
F
 
YOU
 
REMOVE
 
ALL
 
POWER
 
SOURCES
 
WHILE
 
YOUR
 L
IFE
B
OOK
 
NOTEBOOK
 
IS
 
IN
 S
TANDBY
 
MODE
ANY
 
DATA
 
THAT
 
HAS
 
NOT
 
BEEN
 
SAVED
 
TO
 
THE
 
HARD
 
DRIVE
 
WILL
 
BE
 
LOST
.
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