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6-4 User’s Manual
Qosmio G50
Battery
This section explains battery types, use, recharging methods and handling.
Battery types
The computer has two different types of batteries.
■ Battery pack
■ Real Time Clock (RTC) battery
Battery pack
When the AC adaptor is not connected, the computer’s main power source
is a removable lithium ion battery pack, also referred to in this manual as
the main battery. You can purchase additional battery packs for extended
use of the computer away from an AC power source although you should
not change the battery pack while the AC adaptor is connected. Battery
type (depending on the model you purchased): There are two types of
battery packs (7050mAh or 4700mAh).
Before you remove the battery pack, save your data and shut down the
computer, or place the computer into Hibernation Mode. Please be aware
that, when placing the computer into Hibernation Mode, the contents of
memory will be saved to the hard disk drive, although for safety sake, it is
best to also save your data manually.
Real Time Clock (RTC) battery
The Real Time Clock (RTC) battery provides power for the internal real
time clock and calendar function and also maintains the system
configuration while the computer is turned off. If the RTC battery becomes
completely discharged, the system will lose this information and the real
time clock and calendar will stop working - in this instance the following
message will be displayed when you turn on the power:
S **** RTC battery is low or CMOS checksum is
inconsistent ****
Press [F1] key to set Date/Time.
You can change the Real Time Clock settings by turning the computer on
while pressing the ESC key and then the F1 key when prompted. Please
refer to Chapter 10, Troubleshooting, for further information.
The RTC battery does not charge while the computer is turned off even if
the AC adaptor is attached.