Care and use of the battery pack, Care and use of the battery pack -4 – Toshiba Qosmio X500 User Manual
Page 125
User’s Manual
6-4
Power and Power-Up Modes
If the RTC battery becomes completely discharged, the system loses this
data and the real time clock and calendar stop working.
If the following message is displayed on the LCD:
The charge in the RTC battery is getting low or has been exhausted. You
will need to set the date and time within the BIOS setup using the following
steps:
1. Press F2 key - the BIOS setup screen will be displayed.
2. Set the date in System Date.
3. Set the time in System Time.
4. Press F10 key. A confirmation message will appear.
5. Press Enter key. BIOS setup will terminate and the computer will be
rebooted.
Care and use of the battery pack
This section provides the important safety precautions in order to handle
your battery pack properly.
Refer to the enclosed Instruction Manual for Safety and Comfort for
detailed precautions and handling instructions.
The computer's RTC battery is a lithium ion battery and should be
replaced only by your dealer or by a TOSHIBA service representative. The
battery can explode if not properly replaced, used, handled or disposed of.
Dispose of the battery as required by local ordinances or regulations.
■
You can change the settings of the Real Time Clock by pressing F2 in
POST.
■
After configuring the time and date for the Real Time Clock battery, we
recommend that you turn the power status of your computer to "ON"
so that the Real Time Clock battery is charged. For details, refer to
Chapter 9,
S
ERROR 0271: Check date and time
settings.
WARNING 0251: System CMOS checksum bad-
Default configuration used.
Press [F1] to resume, [F2] to setup.
After configuring the date and time, it is recommended that you switch the
computer on and then leave it in this state so that the Real Time Clock
battery can be charged.
■
Make sure the battery is securely installed in the computer before
attempting to charge the battery pack. Improper installation could
generate smoke or fire, or cause the battery pack to rupture.
■
Keep the battery pack out of reach of infants and children. It can cause
injury.