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Checking the Remaining Battery Charge
You can check the remaining battery charge on the screen.
(After logging on to Windows)
1. Press «Fn» + «F9».
When the battery pack is inserted (example)
: Normal temperature mode
: High temperature mode
When the battery pack is not inserted
- The battery display may not correspond to the actual remaining battery charge in the
cases as below. To correct the display, perform the Battery Recalibration ( Correcting
the Battery Display (Battery Recalibration)).
The battery indicator remains red.
The indicator lights orange and the display shows 99% for a long time.
Low battery warning appears soon after a short time of use.
This can occur when the computer is in sleep
*5
for a long time without power supply from the
AC adaptor.
- The battery display may not be the same as that of notification area
*6
. This is not a
malfunction.
*5 : Windows XP: standby
*6 : Windows XP: Or of [Power Meter] in [Power Options Properties]
High temperature mode
The high temperature mode can prevent the battery from deteriorating when the computer is used
in high-temperature environment or used for a long time with its battery fully charged.
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